protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { _idx = Convert.ToInt32(Request.QueryString["idx"]); LoadControlTypeList2DDL(); Modules module_obj = new Modules(); Literal_ModuleName.Text = module_obj.GetModuleTitleByModuleId(_idx); MultiView1.ActiveViewIndex = 0; } PostBackOptions optionsSubmit = new PostBackOptions(btnOkay); btnOkay.OnClientClick = "disableButtonOnClick(this, 'Please wait...', 'disabled_button'); "; btnOkay.OnClientClick += ClientScript.GetPostBackEventReference(optionsSubmit); }