ASP.NET
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="WebForm1.aspx.vb" Inherits="WebApplication1.WebForm1" %>
<%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server" >
<AjaxSettings>
<telerik:AjaxSetting AjaxControlID="RadAjaxManager1">
<UpdatedControls>
<telerik:AjaxUpdatedControl ControlID="Label1" />
</UpdatedControls>
</telerik:AjaxSetting>
</AjaxSettings>
</telerik:RadAjaxManager>
<telerik:RadWindowManager ID="RadWindowManager1" runat="server">
</telerik:RadWindowManager>
<br />
<asp:Button ID="Button2" runat="server" Text="Button" />
<br />
<asp:Label ID="Label1" runat="server" Text=""></asp:Label>
</div>
</form>
</body>
</html>
<script type="text/javascript">
function callConfirm() {
radconfirm('Are you sure?', confirmCallBackFn);
}
function confirmCallBackFn(arg) {
var ajaxManager = $find("<%=RadAjaxManager1.ClientID%>");
if (arg) {
ajaxManager.ajaxRequest('ok');
}
else {
ajaxManager.ajaxRequest('cancel');
}
}
</script>
Code Behind
Public Class WebForm1
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
End Sub
Private Sub Button2_Click(sender As Object, e As System.EventArgs) Handles Button2.Click
Dim radalertscript As String = "<script language='javascript'>function f(){callConfirm(); Sys.Application.remove_load(f);}; Sys.Application.add_load(f);</script>"
Page.ClientScript.RegisterStartupScript(Me.GetType(), "radalert", radalertscript)
End Sub
Private Sub RadAjaxManager1_AjaxRequest(sender As Object, e As Telerik.Web.UI.AjaxRequestEventArgs) Handles RadAjaxManager1.AjaxRequest
If e.Argument.ToString() = "ok" Then
Label1.Text = "OK"
Else
Label1.Text = "Cancel"
End If
End Sub
End Class