protected void SubmitBtn_Click()
 {
     CUser user = new CUser();
     List<CUser> userList = new List<CUser>();
     userList=user.GetUserById(Convert.ToInt32(Session["user_id"]));
     MD5 md5hash = MD5.Create();
     if (userList.Count > 0 )
     {
         try
         {
             bool found = false;
             foreach (CUser u in userList)
             {
                 if (u.user_password == user.GetMd5Hash(md5hash, old_password.Text))
                 {
                     user.user_id = Convert.ToInt32(Session["user_id"]);
                     user.updated_by = (string)Session["user_name"];
                     user.user_password = user.GetMd5Hash(md5hash, new_password.Text);
                     user.UpdatePassword();
                     found = true;
                     ltrlmsg.Text = "<div class=\"alert alert-success\"><button type=\"button\" class=\"close\" data-dismiss=\"alert\">&times;</button> Password Update Success</div>";
                 }
             }
             if (found == false)
             {
                 ltrlmsg.Text = "<div class=\"alert alert-danger\"><button type=\"button\" class=\"close\" data-dismiss=\"alert\">&times;</button> Old Password Error</div>";
             }
         }
         catch (Exception ex)
         {
             ltrlmsg.Text = "<div class=\"alert alert-danger\"><button type=\"button\" class=\"close\" data-dismiss=\"alert\">&times;</button> " + ex.Message + "</div>";
         }
     }
 }
        protected void SubmitBtn_Click()
        {
            CUser        user     = new CUser();
            List <CUser> userList = new List <CUser>();

            userList = user.GetUserById(Convert.ToInt32(Session["user_id"]));
            MD5 md5hash = MD5.Create();

            if (userList.Count > 0)
            {
                try
                {
                    bool found = false;
                    foreach (CUser u in userList)
                    {
                        if (u.user_password == user.GetMd5Hash(md5hash, old_password.Text))
                        {
                            user.user_id       = Convert.ToInt32(Session["user_id"]);
                            user.updated_by    = (string)Session["user_name"];
                            user.user_password = user.GetMd5Hash(md5hash, new_password.Text);
                            user.UpdatePassword();
                            found        = true;
                            ltrlmsg.Text = "<div class=\"alert alert-success\"><button type=\"button\" class=\"close\" data-dismiss=\"alert\">&times;</button> Password Update Success</div>";
                        }
                    }
                    if (found == false)
                    {
                        ltrlmsg.Text = "<div class=\"alert alert-danger\"><button type=\"button\" class=\"close\" data-dismiss=\"alert\">&times;</button> Old Password Error</div>";
                    }
                }
                catch (Exception ex)
                {
                    ltrlmsg.Text = "<div class=\"alert alert-danger\"><button type=\"button\" class=\"close\" data-dismiss=\"alert\">&times;</button> " + ex.Message + "</div>";
                }
            }
        }