private void fnFillStateDistrictTaluka(string stateID, string districtID, string tehsilID)
        {
            clsCommon common = new clsCommon();
            DataTable dt;

            State_ID.Items.Clear();
            try
            {
                dt = clsState.DisplayAllStates("E");
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }

            common.fillDropDown(State_ID, dt, stateID, "State_Name", "State_ID", "--- Select ---");
            if (dt != null)
            {
                dt = null;
            }

            District_ID.Items.Clear();
            try
            {
                dt = clsDistrict.StateWiseDistricts(State_ID.SelectedItem.Value, "E");
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }

            common.fillDropDown(District_ID, dt, districtID, "Text", "Value", "--- Select ---");
            if (dt != null)
            {
                dt = null;
            }

            Tehsil_ID.Items.Clear();
            try
            {
                dt = clsTaluka.DisplayTalukaWithinDistrict(District_ID.SelectedItem.Value, "E");
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
            common.fillDropDown(Tehsil_ID, dt, tehsilID, "Text", "Value", "--- Select ---");
            if (dt != null)
            {
                dt = null;
            }

            if (common != null)
            {
                common = null;
            }
        }
        private void fnFillStateDistrictTaluka(string stateID, string districtID, string tehsilID)
        {
            clsCommon common = new clsCommon();
            DataTable dt     = clsCountry.ListCountry();

            common.fillDropDown(ddlCountry, dt, fkCountryID, "Text", "Value", "--- Select ---");

            State_ID.Items.Clear();
            dt = clsState.DisplayAllStates("E");
            common.fillDropDown(State_ID, dt, stateID, "State_Name", "State_ID", "--- Select ---");
            dt.Dispose();

            District_ID.Items.Clear();
            dt = clsDistrict.StateWiseDistricts(State_ID.SelectedItem.Value, "E");
            common.fillDropDown(District_ID, dt, districtID, "Text", "Value", "--- Select ---");
            dt.Dispose();

            Tehsil_ID.Items.Clear();
            dt = clsTaluka.DisplayTalukaWithinDistrict(District_ID.SelectedItem.Value, "E");
            common.fillDropDown(Tehsil_ID, dt, tehsilID, "Text", "Value", "--- Select ---");
            dt.Dispose();
        }