FineUICore API

https://fineui.com/core/api/
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### FineUI Core Extension Constructors

Source: https://fineui.com/core/api/a03016

Demonstrates the constructors for various extension classes, showing how to initialize them with source components.

```C#
BoxComponentExtension(BoxComponent source)
ComponentExtension(Component source)
ControlBaseExtension(ControlBase source)
FieldExtension(Field source)
```

--------------------------------

### Get Start Row Index

Source: https://fineui.com/core/api/functions_g

Retrieves the starting row index for grid operations. Associated with FineUICore.Grid.

```C#
GetStartRowIndex() : FineUICore.Grid
```

--------------------------------

### Get Start Row Index

Source: https://fineui.com/core/api/functions_func_g

Retrieves the starting row index for grid operations. This is specific to the FineUI Grid component.

```C#
FineUICore.Grid
```

--------------------------------

### FineUICore PanelBaseTagHelper Initialization

Source: https://fineui.com/core/api/a03476

Demonstrates the initialization of the FineUICore PanelBaseTagHelper, showing how it inherits from a base class and accepts context and output parameters for processing.

```C#
PanelBaseTagHelper(PanelBase source)
```

--------------------------------

### FineUICore.Grid Row Indexing

Source: https://fineui.com/core/api/a03292

Methods to get the start and end row indices for operations within the FineUI Core Grid.

```C#
GetStartRowIndex()
GetEndRowIndex()
```

--------------------------------

### Script Registration Methods

Source: https://fineui.com/core/api/functions_r

Methods for registering startup scripts in the page context. This includes registering scripts before, during, and after the page's startup process.

```C#
RegisterPostStartupScript() : FineUICore.PageContext
RegisterPreStartupScript() : FineUICore.PageContext
RegisterStartupScript() : FineUICore.PageContext
```

--------------------------------

### FineUI Core API - Constructors

Source: https://fineui.com/core/api/a01544

This snippet shows constructors for various FineUI Core extensions, indicating how to initialize them with source components.

```C#
BoxComponentExtension(BoxComponent source)
CollapsablePanelExtension(CollapsablePanel source)
ComponentExtension(Component source)
ContainerExtension(Container source)
ControlBaseExtension(ControlBase source)
```

--------------------------------

### DatePickerExtension RangeStartDate

Source: https://fineui.com/core/api/a02923

Gets or sets the start date for a date range selection. This property is part of the DatePickerExtension in FineUI Core.

```C#
DatePickerExtension.RangeStartDate
```

--------------------------------

### Initialize Component Extension

Source: https://fineui.com/core/api/a02884

Constructs a new instance of the ComponentExtension, taking a Component source as input.

```csharp
ComponentExtension(Component source)
```

--------------------------------

### Get Focus Reference for Button/Field

Source: https://fineui.com/core/api/functions_g

Provides the client-side reference for setting focus to a FineUI Button or Field. This is useful for guiding user interaction and improving accessibility.

```C#
GetFocusReference() : FineUICore.ButtonAjaxHelper, FineUICore.Field, FineUICore.FieldAjaxHelper< T, TAjaxHelper >
```

--------------------------------

### FineUI Core Initialization

Source: https://fineui.com/core/api/functions_u

Provides methods for initializing and configuring FineUI Core within an ASP.NET application. This includes middleware and handler extensions.

```csharp
public static IApplicationBuilder UseFineUI(this IApplicationBuilder app)
public static IApplicationBuilder UseFineUIHandler(this IApplicationBuilder app)
```

--------------------------------

### Get Focus Reference for Button/Field

Source: https://fineui.com/core/api/functions_func_g

Provides the client-side reference for setting focus to a FineUI Button or Field. This is useful for guiding user interaction and improving accessibility.

```C#
GetFocusReference() : FineUICore.ButtonAjaxHelper, FineUICore.Field, FineUICore.FieldAjaxHelper< T, TAjaxHelper >
```

--------------------------------

### Initialize BoxComponent Extension

Source: https://fineui.com/core/api/a02884

Constructs a new instance of the BoxComponentExtension, taking a BoxComponent source as input.

```csharp
BoxComponentExtension(BoxComponent source)
```

--------------------------------

### FineUICore.Grid Selection Management

Source: https://fineui.com/core/api/a03292

Methods for deselecting all rows, getting the start and end row indices, and checking the selection status in the FineUI Core Grid.

```C#
GetDeselectAllRowsReference()
GetEndRowIndex()
GetHasSelectionReference()
GetStartRowIndex()
```

--------------------------------

### Initialize Control Base Extension

Source: https://fineui.com/core/api/a02884

Constructs a new instance of the ControlBaseExtension, taking a ControlBase source as input.

```csharp
ControlBaseExtension(ControlBase source)
```

--------------------------------

### Get CheckBox Source

Source: https://fineui.com/core/api/a02655

Gets the current CheckBox control instance.

```C#
new CheckBox Source { get; }
```

--------------------------------

### UseFineUI - FineUI Core Middleware Extensions

Source: https://fineui.com/core/api/functions_func_u

Configures the FineUI Core middleware for an ASP.NET application. This extension method is used in the application's startup configuration to enable FineUI features.

```csharp
public static IApplicationBuilder UseFineUI(this IApplicationBuilder app)
{
    // Middleware configuration
    return app;
}
```

--------------------------------

### Get DropDownList Source Property

Source: https://fineui.com/core/api/a02883

Gets the current DropDownList control instance.

```C#
new DropDownList Source { get; }
```

--------------------------------

### Get ControlBase Source Property

Source: https://fineui.com/core/api/a03211

Gets the current control base instance. This is a property.

```C#
ControlBase | Source` [get]
| 当前控件
```

--------------------------------

### FineUI Core Extension Constructors

Source: https://fineui.com/core/api/a03560

This snippet lists the constructors for various FineUI Core extension classes, indicating how these components are initialized.

```C#
BoxComponentExtension(BoxComponent source)
ComponentExtension(Component source)
ContainerExtension(Container source)
ControlBaseExtension(ControlBase source)
```

--------------------------------

### Get ControlBase Source Property

Source: https://fineui.com/core/api/a02883

Gets the current ControlBase control instance (inherited).

```C#
ControlBase Source { get; }
```

--------------------------------

### Initialize PanelBaseExtension

Source: https://fineui.com/core/api/a03064

Provides a constructor overload for PanelBaseExtension that accepts a source PanelBase object for initialization.

```C#
PanelBaseExtension(PanelBase source)
```

--------------------------------

### FineUICore.Grid Initialization

Source: https://fineui.com/core/api/a03292

Represents the FineUI Core Grid component.

```C#
Grid()
```

--------------------------------

### Get Component Source Property

Source: https://fineui.com/core/api/a02883

Gets the current Component control instance (inherited).

```C#
new Component Source { get; }
```

--------------------------------

### FineUI Core PanelBase Extension Methods

Source: https://fineui.com/core/api/a03064

Methods for configuring PanelBase extensions, specifically for managing toolbars and tools.

```C#
Toolbars(params ToolbarExtension[] param)
```

```C#
Toolbars(params Toolbar[] param)
```

```C#
Tools(params ToolExtension[] param)
```

```C#
Tools(params Tool[] param)
```

--------------------------------

### Get BoxComponent Source Property

Source: https://fineui.com/core/api/a02883

Gets the current BoxComponent control instance (inherited).

```C#
new BoxComponent Source { get; }
```

--------------------------------

### Initialize PanelBaseExtension

Source: https://fineui.com/core/api/a03184

Provides a constructor for PanelBaseExtension, allowing initialization with a source PanelBase object.

```C#
PanelBaseExtension(PanelBase source)
```

--------------------------------

### Get Field Source Property

Source: https://fineui.com/core/api/a02883

Gets the current Field control instance (inherited).

```C#
new Field Source { get; }
```

--------------------------------

### Get TextField Source Property

Source: https://fineui.com/core/api/a02883

Gets the current TextField control instance (inherited).

```C#
new TextField Source { get; }
```

--------------------------------

### Initialize Panel Extensions

Source: https://fineui.com/core/api/a03168

Initializes panel extensions from a source panel or creates a new panel extension. This is part of the FineUICore.PanelBaseExtension and FineUICore.PanelExtension.

```C#
PanelBaseExtension(PanelBase source)
```

```C#
PanelExtension(Panel source)
```

--------------------------------

### ToolbarFillExtension Constructor

Source: https://fineui.com/core/api/a02371

Initializes a new instance of the ToolbarFillExtension class, taking a ToolbarFill object as the source.

```C#
public ToolbarFillExtension(ToolbarFill source)
{
    // Constructor implementation
}
```

--------------------------------

### FieldAjaxHelper Get Reset Reference

Source: https://fineui.com/core/api/a02763

Gets the client-side script to reset the image field.

```C#
public string GetResetReference()
{
    // Returns script to reset field
    return "...";
}
```

--------------------------------

### TextField Extension Initialization in FineUI Core

Source: https://fineui.com/core/api/a03000

Demonstrates the initialization of TextFieldExtension with a TextField source.

```C#
TextFieldExtension(TextField source)
```

--------------------------------

### Get Reset Script

Source: https://fineui.com/core/api/a02655

Gets the client-side script to reset the field's value.

```C#
public string GetResetReference()
```

--------------------------------

### Global Configuration and Page Context

Source: https://fineui.com/core/api/functions_func_c

Handles global configuration settings and manages page context for the application.

```C#
public class Configure : GlobalConfig, PageContext
```

--------------------------------

### FineUICore.ControlBase Get Show Reference

Source: https://fineui.com/core/api/a03292

Method to get a reference for showing a FineUI Core control.

```C#
GetShowReference()
```

--------------------------------

### FineUICore.ControlBase Get Hide Reference

Source: https://fineui.com/core/api/a03292

Method to get a reference for hiding a FineUI Core control.

```C#
GetHideReference()
```

--------------------------------

### GridConfigOptions

Source: https://fineui.com/core/api/a01472

Configuration options for the Grid.

```C#
class GridConfigOptions
{
    // Configuration options for the Grid
}
```

--------------------------------

### Get Show Reference

Source: https://fineui.com/core/api/a02807

Gets the client-side script for showing the control. This method is inherited from FineUICore.ControlBase.

```C#
string GetShowReference ();
```

--------------------------------

### Initialize ControlBaseExtension

Source: https://fineui.com/core/api/a03003

Constructor for the ControlBaseExtension class, accepting a source control base.

```C#
ControlBaseExtension (ControlBase source)
| 构造函数
```

--------------------------------

### Get Hide Reference

Source: https://fineui.com/core/api/a02807

Gets the client-side script for hiding the control. This method is inherited from FineUICore.ControlBase.

```C#
string GetHideReference ();
```

--------------------------------

### ToolbarSeparatorExtension Constructor

Source: https://fineui.com/core/api/a02387

Initializes a new instance of the ToolbarSeparatorExtension class, taking a ToolbarSeparator as a source.

```C#
public ToolbarSeparatorExtension(ToolbarSeparator source)
{
    // Constructor implementation
}
```

--------------------------------

### Get Reset Reference

Source: https://fineui.com/core/api/a02807

Gets the client-side script for resetting this field. This method is inherited from FineUICore.Field.

```C#
string GetResetReference ();
```

--------------------------------

### Initialize ControlBaseExtension

Source: https://fineui.com/core/api/a01531

Constructor for the ControlBaseExtension class, taking a source control as a parameter.

```C#
Public 成员函数 继承自 FineUICore.ControlBaseExtension< T, TExtension >  
| ControlBaseExtension (ControlBase source)  
| 构造函数
```

--------------------------------

### Get Reset Reference Script - C#

Source: https://fineui.com/core/api/a02795

Gets the client-side script to reset the value of a field.

```C#
string GetResetReference ()
```

--------------------------------

### Initialize ControlBaseExtension

Source: https://fineui.com/core/api/a03019

Constructor for the ControlBaseExtension class, initializing it with a source ControlBase component.

```C#
TExtension | ControlBaseExtension (ControlBase source)
```

--------------------------------

### FieldAjaxHelper Get Focus Reference

Source: https://fineui.com/core/api/a02763

Gets the client-side script to set focus to the image control.

```C#
public string GetFocusReference()
{
    // Returns script to set focus
    return "...";
}
```

--------------------------------

### Initialize Toolbar Extension

Source: https://fineui.com/core/api/a02420

Constructs a ToolbarExtension with a specified Toolbar source. This is a constructor for the ToolbarExtension class.

```C#
ToolbarExtension(Toolbar source)
```

--------------------------------

### Get PageManager Instance

Source: https://fineui.com/core/api/a02623

Retrieves the PageManager instance for the current page. This is a static get property.

```C#
PageManager pageManager = FineUICore.PageManager.Instance;
```

--------------------------------

### Initialize TextFieldExtension

Source: https://fineui.com/core/api/a02920

Constructor for TextFieldExtension, taking a TextField source as input.

```C#
TextFieldExtension(TextField source)
```

--------------------------------

### Get and Set Text Property of RealTextFieldTagHelper

Source: https://fineui.com/core/api/a01619

Allows getting and setting the text content of the RealTextFieldTagHelper.

```C#
string FineUICore.RealTextFieldTagHelper.Text
```

--------------------------------

### Initialize Control Base Extension

Source: https://fineui.com/core/api/a03211

Constructor for the ControlBaseExtension class, initializing it with a source control.

```C#
TExtension | ControlBaseExtension (ControlBase source)
| 构造函数
```

--------------------------------

### TextBox Extension Initialization and Configuration in FineUI Core

Source: https://fineui.com/core/api/a03000

Shows how to initialize TextBoxExtension with a TextBox source and configure its text mode.

```C#
Source
TextBoxExtension(TextBox source)
TextMode(TextMode param)
```

--------------------------------

### Get Component Source Property

Source: https://fineui.com/core/api/a03211

Gets the current component control instance. This is a property inherited from ControlBaseExtension.

```C#
new Component | Source` [get]
| 当前控件
```

--------------------------------

### Create Panel Base Extension

Source: https://fineui.com/core/api/a01544

Creates a new PanelBaseExtension instance from an existing PanelBase source. This is part of the FineUICore.PanelBaseExtension.

```C#
PanelBaseExtension(PanelBase source)
```

--------------------------------

### Get Container Source Property

Source: https://fineui.com/core/api/a03211

Gets the current container control instance. This is a property inherited from BoxComponentExtension.

```C#
new Container | Source` [get]
| 当前控件
```

--------------------------------

### FineUI Core API - PanelBase Properties and Methods

Source: https://fineui.com/core/api/a03240

Details properties and methods for the FineUICore.PanelBase class, covering aspects like scrolling, padding, and iframe management.

```C#
AutoScroll| FineUICore.PanelBase|
BodyClass| FineUICore.PanelBase|
BodyPadding| FineUICore.PanelBase|
BodyStyle| FineUICore.PanelBase|
ClearDirty()| FineUICore.PanelBase|
Content| FineUICore.PanelBase|
ContentEl| FineUICore.PanelBase|
CustomToolAhead| FineUICore.PanelBase|
EnableDefaultCorner| FineUICore.PanelBase|
EnableFrame| FineUICore.PanelBase|
EnableIFrame| FineUICore.PanelBase|
EnableTableStyle| FineUICore.PanelBase|
GetClearDirtyReference()| FineUICore.PanelBase|
GetResetReference()| FineUICore.PanelBase|
GetRefreshIFrameReference()| FineUICore.PanelBase|
IFrameAttributes| FineUICore.PanelBase|
IFrameName| FineUICore.PanelBase|
IFrameUrl| FineUICore.PanelBase|
IsFluid| FineUICore.PanelBase|
IsViewPort| FineUICore.PanelBase|
Items| FineUICore.PanelBase|
```

--------------------------------

### Get Tree Source Property

Source: https://fineui.com/core/api/a03211

Gets the current tree control instance. This is a property inherited from CollapsablePanelExtension.

```C#
new Tree | Source` [get]
| 当前控件
```

--------------------------------

### FineUI Grid Constructor

Source: https://fineui.com/core/api/a03295

Initializes a new instance of the Grid class.

```C#
public Grid ()
```

--------------------------------

### Get Reset Reference

Source: https://fineui.com/core/api/a02919

Gets the client-side script to reset the control's value. Inherited from FieldAjaxHelper.

```C#
string GetResetReference()
```

--------------------------------

### Configure Theming and JavaScript Libraries

Source: https://fineui.com/core/api/a02635

Set the application's theme, include specific JavaScript libraries, and define custom paths for themes and languages.

```C#
Theme Theme { get; set; }
JSLibrary JSLibrary { get; set; }
string CustomThemeBasePath { get; set; }
string CustomTheme { get; set; }
Language Language { get; set; }
string CustomLanguageBasePath { get; set; }
string CustomLanguage { get; set; }
```

--------------------------------

### Get PostBack Event Reference

Source: https://fineui.com/core/api/a02807

Gets the client-side script for a postback event. This method is inherited from FineUICore.ControlBase.

```C#
string GetPostBackEventReference ();
```

--------------------------------

### Get Focus Reference

Source: https://fineui.com/core/api/a02807

Gets the client-side script for setting focus to the control. This method is inherited from FineUICore.Field.

```C#
string GetFocusReference ();
```

--------------------------------

### Toolbar and Item Configuration

Source: https://fineui.com/core/api/a03211

Methods for adding toolbars and items to panels, supporting various extension and control types.

```C#
TExtension | Toolbars (params ToolbarExtension[] param)
| 工具栏控件集合
```

```C#
TExtension | Toolbars (params Toolbar[] param)
| 工具栏控件集合
```

```C#
TExtension | Items (params IControlBaseExtension[] extensions)
| 子控件集合
```

```C#
TExtension | Items (params ControlBase[] items)
| 子控件集合
```

--------------------------------

### ToolbarAjaxHelper Constructor

Source: https://fineui.com/core/api/a02415

Initializes a new instance of the ToolbarAjaxHelper class, taking the source Toolbar object as a parameter.

```C#
ToolbarAjaxHelper (Toolbar _source_)
```

--------------------------------

### FieldAjaxHelper Get Mark Invalid Reference

Source: https://fineui.com/core/api/a02763

Gets the client-side script to mark the image field as invalid.

```C#
public string GetMarkInvalidReference(string message)
{
    // Returns script to mark invalid
    return "...";
}
```

--------------------------------

### FineUICore.Grid Get Column Sorting

Source: https://fineui.com/core/api/a03292

Method to get the current sort column configuration for the FineUI Core Grid.

```C#
GetSortColumn(string sortField)
```

--------------------------------

### Constructor for ControlBaseExtension

Source: https://fineui.com/core/api/a03067

Initializes a new instance of the ControlBaseExtension class, taking a ControlBase as a source.

```C#
ControlBaseExtension (ControlBase source)
| 构造函数
```

--------------------------------

### Get BoxComponent Source Property

Source: https://fineui.com/core/api/a03211

Gets the current box component control instance. This is a property inherited from ComponentExtension.

```C#
new BoxComponent | Source` [get]
| 当前控件
```

--------------------------------

### Constants and Configuration

Source: https://fineui.com/core/api/functions_b

Highlights the BUILD_DATE constant from FineUICore.Constants and the BaseUrl property from FineUICore.ConfigSection.

```C#
FineUICore.Constants
FineUICore.ConfigSection
```

--------------------------------

### Get PanelBase Source Property

Source: https://fineui.com/core/api/a03211

Gets the current panel base control instance. This is a property inherited from ContainerExtension.

```C#
new PanelBase | Source` [get]
| 当前控件
```

--------------------------------

### MenuSeparatorExtension Constructor

Source: https://fineui.com/core/api/a02567

Initializes a new instance of the MenuSeparatorExtension class, taking a MenuSeparator object as a source.

```C#
public MenuSeparatorExtension(MenuSeparator source)
{
    // Constructor implementation
}
```

--------------------------------

### Get CollapsablePanel Source Property

Source: https://fineui.com/core/api/a03211

Gets the current collapsable panel control instance. This is a property inherited from PanelBaseExtension.

```C#
new CollapsablePanel | Source` [get]
| 当前控件
```

--------------------------------

### FineUI Core Constants

Source: https://fineui.com/core/api/functions_a

Defines constants used within the FineUI Core framework, such as default levels for startup scripts.

```C#
ABSOLUTE_STARTUP_SCRIPT_DEFAULT_LEVEL : FineUICore.Constants
```

--------------------------------

### Constructor for BoxComponentExtension

Source: https://fineui.com/core/api/a03067

Initializes a new instance of the BoxComponentExtension class, taking a BoxComponent as a source.

```C#
BoxComponentExtension (BoxComponent source)
| 构造函数
```

--------------------------------

### Get Clear Invalid Reference

Source: https://fineui.com/core/api/a02919

Gets the client-side script to clear the invalid state of the field. Inherited from FieldAjaxHelper.

```C#
string GetClearInvalidReference()
```

--------------------------------

### BaseTagHelper Methods

Source: https://fineui.com/core/api/a01532

Methods for the FineUICore.BaseTagHelper, including context and output processing.

```C#
ProcessAsync(TagHelperContext context, TagHelperOutput output)
ViewContext
```

--------------------------------

### Get Clear Invalid Script - C#

Source: https://fineui.com/core/api/a02795

Gets the client-side script to clear the validation failure message from a field.

```C#
string GetClearInvalidReference ()
```

--------------------------------

### Create Tool Extension

Source: https://fineui.com/core/api/a02608

Initializes a ToolExtension with a source tool object. This is a constructor for tool-specific extensions.

```C#
ToolExtension(Tool source)
```

--------------------------------

### Get Mark Invalid Script - C#

Source: https://fineui.com/core/api/a02795

Gets the client-side script to set the validation failure message for a field.

```C#
string GetMarkInvalidReference (string message)
```

--------------------------------

### FieldAjaxHelper Get Clear Invalid Reference

Source: https://fineui.com/core/api/a02763

Gets the client-side script to clear the invalid message from the image field.

```C#
public string GetClearInvalidReference()
{
    // Returns script to clear invalid message
    return "...";
}
```

--------------------------------

### Panel Base Extension Configuration

Source: https://fineui.com/core/api/a03464

Provides configuration options for PanelBase extensions, including source and event actions.

```C#
PanelBaseExtension(PanelBase source)
```

--------------------------------

### Get Field Value Script

Source: https://fineui.com/core/api/a02655

Gets the client-side script for the field's value (without a trailing semicolon).

```C#
public string GetValueReference()
```

--------------------------------

### RealTextField Extension Initialization in FineUI Core

Source: https://fineui.com/core/api/a03000

Illustrates the initialization of RealTextFieldExtension with a RealTextField source.

```C#
RealTextFieldExtension(RealTextField source)
```

--------------------------------

### Get ControlBase Source Property

Source: https://fineui.com/core/api/a02479

Gets the current ControlBase control associated with this extension. This property is inherited from ControlBaseExtension.

```C#
ControlBase Source { get; }
```

--------------------------------

### Initialize ComponentExtension

Source: https://fineui.com/core/api/a03003

Constructor for the ComponentExtension class, taking a source component as a parameter.

```C#
ComponentExtension (Component source)
| 构造函数
```

--------------------------------

### Initialize TextAreaExtension from Source

Source: https://fineui.com/core/api/a02984

Creates an instance of TextAreaExtension, initializing it with a source TextArea object. This is a constructor overload.

```C#
TextAreaExtension(TextArea source)
```

--------------------------------

### Get Component Source Property

Source: https://fineui.com/core/api/a02479

Gets the current Component control associated with this extension. This property is inherited from ComponentExtension.

```C#
new Component Source { get; }
```

--------------------------------

### Get BaseMenuItem Source Property

Source: https://fineui.com/core/api/a02479

Gets the current BaseMenuItem control associated with this extension. This property is specific to BaseMenuItemExtension.

```C#
new BaseMenuItem Source { get; }
```

--------------------------------

### Panel Base Extension Methods

Source: https://fineui.com/core/api/a03064

Methods for configuring PanelBase components, including body padding, styling, and enabling features like frames and tables.

```C#
AutoScroll(bool param)
BodyPadding(string param)
BodyPadding(int param)
BodyStyle(string param)
Content(string param)
ContentEl(string param)
CustomToolAhead(bool param)
EnableDefaultCorner(bool? param)
EnableFrame(bool param)
EnableIFrame(bool param)
EnableTableStyle(bool param)
EnableFill(bool param)
```

--------------------------------

### Constructor for ComponentExtension

Source: https://fineui.com/core/api/a03067

Initializes a new instance of the ComponentExtension class, taking a Component as a source.

```C#
ComponentExtension (Component source)
| 构造函数
```

--------------------------------

### FineUICore.Grid Get Cell Update Reference

Source: https://fineui.com/core/api/a03292

Methods to get a reference for updating cell values in the FineUI Core Grid.

```C#
GetUpdateCellValueReference(int rowIndex, string columnId, string cellValue)
GetUpdateCellValueReference(string rowId, string columnId, string cellValue)
GetUpdateCellValueReference(string rowId, JObject updateObject)
GetUpdateCellValueReference(int rowIndex, JObject updateObject)
```

--------------------------------

### Get Mark Invalid Reference

Source: https://fineui.com/core/api/a02919

Gets the client-side script to mark the field as invalid with a specified message. Inherited from FieldAjaxHelper.

```C#
string GetMarkInvalidReference(string message)
```

--------------------------------

### Initialize DropDownList Extension

Source: https://fineui.com/core/api/a02884

Constructs a new instance of the DropDownListExtension, taking a DropDownList source as input.

```csharp
DropDownListExtension(DropDownList source)
```

--------------------------------

### FieldAjaxHelper Get Value Reference

Source: https://fineui.com/core/api/a02763

Gets the client-side script for the image field's value (without a trailing semicolon).

```C#
public string GetValueReference()
{
    // Returns script for field value
    return "...";
}
```

--------------------------------

### Grid Component - FineUI Core

Source: https://fineui.com/core/api/functions_func_b

Offers extensions for Grid components, specifically for configuring row tips and their positions.

```C#
public partial class GridExtension<TRowModel> : FineUICore.BigDataRowTipPosition
```

--------------------------------

### Get Focus Script

Source: https://fineui.com/core/api/a02655

Gets the client-side script to set focus to the control. Optionally selects text and includes a delay.

```C#
public string GetFocusReference()
public string GetFocusReference(bool selectText)
public string GetFocusReference(bool selectText, int delayMilliseconds)
```

--------------------------------

### Grid Commands and Tag Helpers

Source: https://fineui.com/core/api/a02500

Provides classes for Grid commands and Tag Helpers, enabling declarative configuration of grid functionalities within the FineUI framework. These components facilitate the creation and management of data grids in web applications.

```C#
public class GridCommandsTagHelper
public class GridCommandTagHelper
public class GridTagHelper
```

--------------------------------

### Get Reset Fields Script

Source: https://fineui.com/core/api/a03491

Gets the client-side script to reset all fields within the region panel. This method is inherited from PanelBaseAjaxHelper.

```C#
public string GetResetReference()

```

--------------------------------

### Grid Commands and Tag Helpers

Source: https://fineui.com/core/api/a03000

Provides classes for Grid commands and Tag Helpers, enabling declarative configuration of grid functionalities within the FineUI framework. These components facilitate the creation and management of data grids in web applications.

```C#
public class GridCommandsTagHelper
public class GridCommandTagHelper
public class GridTagHelper
```

--------------------------------

### Grid Commands and Tag Helpers

Source: https://fineui.com/core/api/a02800

Provides classes for Grid commands and Tag Helpers, enabling declarative configuration of grid functionalities within the FineUI framework. These components facilitate the creation and management of data grids in web applications.

```C#
public class GridCommandsTagHelper
public class GridCommandTagHelper
public class GridTagHelper
```

--------------------------------

### Get Focus Reference

Source: https://fineui.com/core/api/a02919

Gets the client-side script to set focus to the control. Overloads allow selecting text and specifying a delay.

```C#
string GetFocusReference()
```

```C#
string GetFocusReference(bool selectText)
```

```C#
string GetFocusReference(bool selectText, int delayMilliseconds)
```

--------------------------------

### Create ControlBaseExtension

Source: https://fineui.com/core/api/a02608

Initializes a ControlBaseExtension with a source control. This is a fundamental constructor for control extensions.

```C#
ControlBaseExtension(ControlBase source)
```

--------------------------------

### Get Control Source - C#

Source: https://fineui.com/core/api/a02887

Gets the current control instance. This property is part of the DropDownListExtension class and implements the IControlBaseExtension interface.

```C#
new DropDownList FineUICore.DropDownListExtension.Source
```

--------------------------------

### Get PostBack Event Reference with Action

Source: https://fineui.com/core/api/a02807

Gets the client-side script for a postback event with a specified action. This method is inherited from FineUICore.ControlBase.

```C#
string GetPostBackEventReference (string action);
```

--------------------------------

### Grid Commands and Tag Helpers

Source: https://fineui.com/core/api/a02200

Provides classes for Grid commands and Tag Helpers, enabling declarative configuration of grid functionalities within the FineUI framework. These components facilitate the creation and management of data grids in web applications.

```C#
public class GridCommandsTagHelper
public class GridCommandTagHelper
public class GridTagHelper
```

--------------------------------

### Grid Commands and Tag Helpers

Source: https://fineui.com/core/api/a02300

Provides classes for Grid commands and Tag Helpers, enabling declarative configuration of grid functionalities within the FineUI framework. These components facilitate the creation and management of data grids in web applications.

```C#
public class GridCommandsTagHelper
public class GridCommandTagHelper
public class GridTagHelper
```

--------------------------------

### Get Mark Invalid Reference

Source: https://fineui.com/core/api/a02807

Gets the client-side script for marking the field as invalid with a specific message. This method is inherited from FineUICore.Field.

```C#
string GetMarkInvalidReference (string message);
```

--------------------------------

### Grid Commands and Tag Helpers

Source: https://fineui.com/core/api/a02600

Provides classes for Grid commands and Tag Helpers, enabling declarative configuration of grid functionalities within the FineUI framework. These components facilitate the creation and management of data grids in web applications.

```C#
public class GridCommandsTagHelper
public class GridCommandTagHelper
public class GridTagHelper
```

--------------------------------

### FieldAjaxHelper Get Focus Reference with Delay

Source: https://fineui.com/core/api/a02763

Gets the client-side script to set focus and select text in the image control with a delay.

```C#
public string GetFocusReference(bool selectText, int delayMilliseconds)
{
    // Returns script to set focus with delay
    return "...";
}
```

--------------------------------

### Grid Commands and Tag Helpers

Source: https://fineui.com/core/api/a02251

Provides classes for Grid commands and Tag Helpers, enabling declarative configuration of grid functionalities within the FineUI framework. These components facilitate the creation and management of data grids in web applications.

```C#
public class GridCommandsTagHelper
public class GridCommandTagHelper
public class GridTagHelper
```

--------------------------------

### FieldAjaxHelper Get Focus Reference with Select Text

Source: https://fineui.com/core/api/a02763

Gets the client-side script to set focus and select text in the image control.

```C#
public string GetFocusReference(bool selectText)
{
    // Returns script to set focus and select text
    return "...";
}
```

--------------------------------

### Grid Commands and Tag Helpers

Source: https://fineui.com/core/api/a02451

Provides classes for Grid commands and Tag Helpers, enabling declarative configuration of grid functionalities within the FineUI framework. These components facilitate the creation and management of data grids in web applications.

```C#
public class GridCommandsTagHelper
public class GridCommandTagHelper
public class GridTagHelper
```

--------------------------------

### Get Attributes Property for MenuText

Source: https://fineui.com/core/api/a02575

Gets or sets the HTML tag attributes for the MenuText control. This is a virtual property inherited from FineUICore.ControlBase.

```C#
virtual JObject Attributes { get; set; }
```

--------------------------------

### Get Show Reference for MenuText Control

Source: https://fineui.com/core/api/a02575

Gets the client-side script for showing the MenuText control. This is a virtual method inherited from FineUICore.ControlBase.

```C#
virtual string GetShowReference ()
```

--------------------------------

### Grid Commands and Tag Helpers

Source: https://fineui.com/core/api/a02220

Provides classes for Grid commands and Tag Helpers, enabling declarative configuration of grid functionalities within the FineUI framework. These components facilitate the creation and management of data grids in web applications.

```C#
public class GridCommandsTagHelper
public class GridCommandTagHelper
public class GridTagHelper
```

--------------------------------

### Get Hide Reference for MenuText Control

Source: https://fineui.com/core/api/a02575

Gets the client-side script for hiding the MenuText control. This is a virtual method inherited from FineUICore.ControlBase.

```C#
virtual string GetHideReference ()
```

--------------------------------

### Grid Commands and Tag Helpers

Source: https://fineui.com/core/api/a02700

Provides classes for Grid commands and Tag Helpers, enabling declarative configuration of grid functionalities within the FineUI framework. These components facilitate the creation and management of data grids in web applications.

```C#
public class GridCommandsTagHelper
public class GridCommandTagHelper
public class GridTagHelper
```

--------------------------------

### Grid Commands and Tag Helpers

Source: https://fineui.com/core/api/a03051

Provides classes for Grid commands and Tag Helpers, enabling declarative configuration of grid functionalities within the FineUI framework. These components facilitate the creation and management of data grids in web applications.

```C#
public class GridCommandsTagHelper
public class GridCommandTagHelper
public class GridTagHelper
```

--------------------------------

### Get Defer Script

Source: https://fineui.com/core/api/functions_g

Gets the configuration setting for deferring script execution in FineUI. This impacts how JavaScript files are loaded and executed, potentially improving page load performance.

```C#
GetDeferScript() : FineUICore.JsHelper
```

--------------------------------

### Get Ajax Loading Type

Source: https://fineui.com/core/api/functions_g

Gets the type or style of the AJAX loading indicator from FineUI's global settings. This allows customization of how loading states are visually represented.

```C#
GetAjaxLoadingType() : FineUICore.GlobalConfig
```
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