private void BindMaxNo(Int32 FromCityIdno, Int32 YearId)
        {
            ChlnBookingCrsngDAL obj = new ChlnBookingCrsngDAL();
            Int64 MaxNo             = obj.MaxNo(YearId, FromCityIdno, ApplicationFunction.ConnectionString());

            txtchallanNo.Text = Convert.ToString(MaxNo);
        }
        protected void DdlfromcityHead_SelectedIndexChanged(object sender, EventArgs e)
        {
            try
            {
                ChlnBookingCrsngDAL objGR = new ChlnBookingCrsngDAL();
                Int64 MaxCRNo             = 0;
                MaxCRNo           = objGR.MaxNo(Convert.ToInt32(ddldateRange.SelectedValue), Convert.ToInt32(Convert.ToString(DdlfromcityHead.SelectedValue) == "" ? 0 : Convert.ToInt32(DdlfromcityHead.SelectedValue)), ApplicationFunction.ConnectionString());
                txtchallanNo.Text = Convert.ToString(MaxCRNo);
                DdlfromcityHead.Focus(); txtchallanNo.SelectText();

                return;
            }
            catch (Exception Ex)
            {
            }
        }