DataGridColumnCollectionEditor Class (System.Web.UI.Design.WebControls)

Switch View :
Classic
Lightweight
ScriptFree
.NET Framework Class Library
DataGridColumnCollectionEditor Class

Provides an editing user interface (UI) for the column collection of a DataGrid control.

Inheritance Hierarchy
System.Object
  System.Drawing.Design.UITypeEditor
    System.Web.UI.Design.WebControls.DataGridColumnCollectionEditor

Namespace:  System.Web.UI.Design.WebControls
Assembly:  System.Design (in System.Design.dll)
Syntax
Visual Basic
<SecurityPermissionAttribute(SecurityAction.Demand, Flags := SecurityPermissionFlag.UnmanagedCode)> _
Public Class DataGridColumnCollectionEditor _
	Inherits UITypeEditor
C#
[SecurityPermissionAttribute(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)]
public class DataGridColumnCollectionEditor : UITypeEditor
Visual C++
[SecurityPermissionAttribute(SecurityAction::Demand, Flags = SecurityPermissionFlag::UnmanagedCode)]
public ref class DataGridColumnCollectionEditor : public UITypeEditor
F#
[<SecurityPermissionAttribute(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)>]
type DataGridColumnCollectionEditor =  
    class
        inherit UITypeEditor
    end

The DataGridColumnCollectionEditor type exposes the following members.

Constructors
  Name Description
Public method DataGridColumnCollectionEditor Initializes a new instance of the DataGridColumnCollectionEditor class.
Top
Properties
  Name Description
Public property IsDropDownResizable Gets a value indicating whether drop-down editors should be resizable by the user. (Inherited from UITypeEditor.)
Top
Methods
  Name Description
Public method EditValue(IServiceProvider, Object) Edits the value of the specified object using the editor style indicated by the GetEditStyle method. (Inherited from UITypeEditor.)
Public method EditValue(ITypeDescriptorContext, IServiceProvider, Object) Edits the specified value using the specified context descriptor and service provider. (Overrides UITypeEditor.EditValue(ITypeDescriptorContext, IServiceProvider, Object).)
Public method Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected method Finalize Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public method GetEditStyle() Gets the editor style used by the EditValue method. (Inherited from UITypeEditor.)
Public method GetEditStyle(ITypeDescriptorContext) Gets the editing style associated with this editor, using the specified ITypeDescriptorContext object. (Overrides UITypeEditor.GetEditStyle(ITypeDescriptorContext).)
Public method GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public method GetPaintValueSupported() Indicates whether this editor supports painting a representation of an object's value. (Inherited from UITypeEditor.)
Public method GetPaintValueSupported(ITypeDescriptorContext) Indicates whether the specified context supports painting a representation of an object's value within the specified context. (Inherited from UITypeEditor.)
Public method GetType Gets the Type of the current instance. (Inherited from Object.)
Protected method MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public method PaintValue(PaintValueEventArgs) Paints a representation of the value of an object using the specified PaintValueEventArgs. (Inherited from UITypeEditor.)
Public method PaintValue(Object, Graphics, Rectangle) Paints a representation of the value of the specified object to the specified canvas. (Inherited from UITypeEditor.)
Public method ToString Returns a string that represents the current object. (Inherited from Object.)
Top
Examples

The following code example uses the EditorAttribute to associate the DataGridColumnCollectionEditor class and the UITypeEditor class (the collection editor's base class) with a custom Columns property. The property is a reference to the DataGridColumnCollection class.

Visual Basic

Private columns As DataGridColumnCollection

' Associate DataGridColumnCollectionEditor with the TestColumns.
<EditorAttribute( GetType( System.Web.UI.Design.WebControls. _
    DataGridColumnCollectionEditor), _
    GetType(UITypeEditor))> _
Public ReadOnly Property TestColumns() As DataGridColumnCollection
    Get
        Return columns
    End Get
End Property ' TestColumns
C#

private DataGridColumnCollection columns = null;

// Associate the DataGridColumnCollectionEditor with the TestColumns. 
[EditorAttribute(typeof(System.Web.UI.Design.WebControls.
   DataGridColumnCollectionEditor),
   typeof(UITypeEditor))]
public DataGridColumnCollection TestColumns
{
    get { return columns; }
} // TestColumns
Version Information

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0
Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Thread Safety
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
See Also

Reference

System.Web.UI.Design.WebControls Namespace
DataGrid

Other Resources

User Interface Type Editors Overview