May I ask about How to keep the file after validation for Telerik RadAsync Upload?
<telerik:RadScriptManager runat="server" ID="RadScriptManager"></telerik:RadScriptManager> <telerik:RadAsyncUpload RenderMode="Lightweight" runat="server" ID="RadAsyncUpload1"></telerik:RadAsyncUpload>I had put the Ajax settings, but its not work.
<telerik:RadAjaxManager runat="server" ID="RadAjaxManager1"> <AjaxSettings> <telerik:AjaxSetting AjaxControlID="RadAsyncUpload1"> <UpdatedControls> <telerik:AjaxUpdatedControl ControlID="RadAsyncUpload1" /> </UpdatedControls> </telerik:AjaxSetting> </AjaxSettings> </telerik:RadAjaxManager>And I used Asp.net C# Web-Form