private void NewSB_Click(object sender, EventArgs e)
{
PaymentTypeData form = new PaymentTypeData("new", null);
form.ShowDialog();
Fill();
}
private void EditSB_Click(object sender, EventArgs e)
{
PaymentTypeData form = new PaymentTypeData("edit", Convert.ToInt32(DataGV.SelectedRows[0].Cells["ID"].Value));
form.ShowDialog();
manager.Save();
manager.CloseContext();
manager = new ContextManager();
Fill();
}