using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using Ionic.Zip;
using System.Text;
using System.IO;
public static void ShowAlertMessage(string error)
{
Page page = HttpContext.Current.Handler as Page;
if (page != null)
{
error = error.Replace("'", "\'");
ScriptManager.RegisterStartupScript(page, page.GetType(), "err_msg", "alert('" + error + "');", true);
}
}
Thanks