Assembly: System.Web (in System.Web.dll)
Additionally, the method renders the method, action, and onsubmit attributes of the HtmlForm control. If the control ID set in the DefaultButton property does not implement the IButtonControl interface, an InvalidOperationException exception is thrown.
The method is used primarily by control developers extending the functionality of the HtmlForm control.Notes to Inheritors
When overriding the method in a derived class, be sure to call the base class's method so that the HtmlForm control's attributes are correctly rendered.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.