protected void btnUpdatePwd_Click(object sender, EventArgs e)
        {
            try
            {
                string location = Session["LocationName"].ToString();
                string EmpName = Session["EmpName"].ToString().Trim();
                int userid = Convert.ToInt32(Session["UserID"]);
                string oldPwd = txtOldpwd.Text.Trim();
                string NewPwd = txtNewPwd.Text.Trim();
                Attendance.BAL.EmployeeBL obj = new EmployeeBL();
                bool bnew = obj.UpdatePasswordByUserID(userid, oldPwd, NewPwd);
                if (bnew)
                {
                    txtOldpwd.Text = "";
                    txtNewPwd.Text = "";
                    txtConfirmPwd.Text = "";
                    mdlChangePwd.Hide();
                    System.Web.UI.ScriptManager.RegisterClientScriptBlock(Page, typeof(Page), "Script", "alert('Password changed successfully..');", true);
                }
                else
                {
                    txtOldpwd.Text = "";
                    txtNewPwd.Text = "";
                    txtConfirmPwd.Text = "";
                    System.Web.UI.ScriptManager.RegisterClientScriptBlock(Page, typeof(Page), "Script", "alert('Invalid userid and password..');", true);
                    txtOldpwd.Focus();
                }

            }
            catch (Exception ex)
            {
            }
        }