在C#代码（后台aspx.cs）页面中实现js的alert功能

private void MessaegBox(Stringmsg)

{

Page.Controls.Add(new LiteralControl("window.alert('"+msg+"')"));

     }

     protected void btnAlertMsg_Click(object sender,EventArgs e)

{

 String msg1 = "Are Yousure..........";

 MessaegBox(msg1);

     }