ConstructorNeedsTagAttribute Class
Specifies that a server control needs a tag name in its constructor.
Assembly: System.Web (in System.Web.dll)
| Name | Description | |
|---|---|---|
![]() | ConstructorNeedsTagAttribute() | Initializes a new instance of the ConstructorNeedsTagAttribute class. |
![]() | ConstructorNeedsTagAttribute(Boolean) | Initializes a new instance of the ConstructorNeedsTagAttribute class. |
| Name | Description | |
|---|---|---|
![]() | Equals(Object) | This API supports the product infrastructure and is not intended to be used directly from your code. Returns a value that indicates whether this instance is equal to a specified object.(Inherited from Attribute.) |
![]() | GetHashCode() | Returns the hash code for this instance.(Inherited from Attribute.) |
![]() | GetType() | |
![]() | IsDefaultAttribute() | When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class.(Inherited from Attribute.) |
![]() | Match(Object) | When overridden in a derived class, returns a value that indicates whether this instance equals a specified object.(Inherited from Attribute.) |
![]() | ToString() | Returns a string that represents the current object.(Inherited from Object.) |
| Name | Description | |
|---|---|---|
![]() ![]() | _Attribute.GetIDsOfNames(Guid, IntPtr, UInt32, UInt32, IntPtr) | Maps a set of names to a corresponding set of dispatch identifiers.(Inherited from Attribute.) |
![]() ![]() | _Attribute.GetTypeInfo(UInt32, UInt32, IntPtr) | Retrieves the type information for an object, which can be used to get the type information for an interface.(Inherited from Attribute.) |
![]() ![]() | _Attribute.GetTypeInfoCount(UInt32) | Retrieves the number of type information interfaces that an object provides (either 0 or 1).(Inherited from Attribute.) |
![]() ![]() | _Attribute.Invoke(UInt32, Guid, UInt32, Int16, IntPtr, IntPtr, IntPtr, IntPtr) | Provides access to properties and methods exposed by an object.(Inherited from Attribute.) |
For background information, see Extending Metadata Using Attributes.
// Attach the ConstructorNeedsTagAttribute to the custom Simple // class, which is derived from the WebControl class. This // instance of the ConstructorNeedsTagAttribute class sets the // NeedsTag property to true. [ConstructorNeedsTagAttribute(true)] [AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class Simple : WebControl { private String NameTag = ""; public Simple(String tag) { this.NameTag = tag; } private String UserMessage = null; // Create a property named ControlValue. public String ControlValue { get { return UserMessage; } set { UserMessage = value; } } protected override void Render(HtmlTextWriter output) { output.Write("Testing the ConstructorNeedsTagAttribute Class."); } }
Available since 1.1
Any public static ( Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.



