/// <summary>
        /// 
        /// </summary>
        private void LoadGrid()
        {
            try
            {
                //if (ddlMarket.SelectedIndex <= 0) return;

                if (ddlMonth.SelectedIndex == -1) return;

                int marketId = 0;

                if(ddlMarket.SelectedIndex>0) marketId = int.Parse(ddlMarket.SelectedValue);

                string month = ddlMonth.SelectedItem.Text.Substring(5);
                int year = int.Parse(ddlMonth.SelectedItem.Text.Substring(0, 4));

                DataTable dt = new BillMaster().GetBillMasterDetailForGrid(year, month, marketId);

                if (dt.Rows.Count > 0)
                {
                    DataRow row = dt.NewRow();

                    dt.Rows.Add(row);
                }

                RadGrid1.DataSource = dt;
                RadGrid1.DataBind();
            }
            catch (Exception ex)
            {
                Alert.Show("Error in method 'LoadLeaveDetailsGrid'. Error: " + ex.Message);
            }
        }