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();
}