private void btSearch_Click(object sender, EventArgs e)
        {
            string typeName = cbTranTypes.SelectedValue.ToString();

            this.showAccTransBS.DataSource = AccountTranService.FindByDateAndType(_id, fromDate.Value, toDate.Value, typeName);
        }
 private void frmAccountTrans_Load(object sender, EventArgs e)
 {
     this.showAccTransBS.DataSource        = AccountTranService.ShowOnGrid(_id);
     this.tranTypeBindingSource.DataSource = AccountTranService.GetAllType();
 }