Insert JavaScript before PostBack Event
To call some javascript before the postback event is raised, use the following code:if (!Page.ClientScript.IsOnSubmitStatementRegistered(type, "script_onsubmit_editor_" + ClientID)) { string popTextareaScript = "var ed = YAHOO.widget.EditorInfo.getEditorById('" + editor.ClientID + "');" + "ed.cleanHTML();"; Page.ClientScript.RegisterOnSubmitStatement(type,…