or

<telerik:RadAsyncUpload runat="server" ID="rauFiles" PostbackTriggers="rgReceiptDTL,ddlDepNo,rntbLPOYear,ddlLPONO,rntbTransYear,rdpEntryDate,rdpRequestDate,hdnLPONO,hdnLPOYear,SDSReceiptDTL"></telerik:RadAsyncUpload><telerik:RadNumericTextBox ID="rntbTransYear" SkinID="Year" AutoPostBack="true" runat="server"></telerik:RadNumericTextBox>

protected void cbSkins_SelectedIndexChanged(object sender, Telerik.Web.UI.RadComboBoxSelectedIndexChangedEventArgs ) { RadSkinManager1.TargetControls.Clear(); string skinName = e.Text;RadSkinManager1.TargetControls.Add(Telerik.Web.UI.ControlTypeToApplySkin.RadButton, skinName); }

