Obtains the HtmlTextWriterTag enumeration value associated with the specified markup element.
Assembly: System.Web (in System.Web.dll)
If tagName is null, an empty string (""), or cannot be found in the table of markup tag names, the method returns the Unknown field.
The following code example shows how to override the overload of the RenderBeginTag method that takes a string as its parameter. The string is passed to the method, which converts it to the corresponding HtmlTextWriterTag enumeration member, and then passes that to the RenderBeginTag overload that takes a HtmlTextWriterTag enumeration value as a parameter.
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.