Gets or sets the content between the opening and closing tags of the control with automatic conversion of special characters to their equivalent HTML entities. This property is not supported for this control.
a string
Do not read from or assign a value to this property. Otherwise, a NotSupportedException exception is thrown. This property is inherited from the System.Web.UI.HtmlControls.HtmlContainerControl class and is not applicable to the System.Web.UI.HtmlControls.HtmlSelect class.