Returns a string that can be used in a client event to cause postback to the server. The reference string is defined by the specified control that handles the postback and a string argument of additional event information.
A string that, when treated as script on the client, initiates the postback.
This method has been deprecated. Use the erload:System.Web.UI.ClientScriptManager.GetPostBackEventReference method in the System.Web.UI.ClientScriptManager class instead.