private void changeDiler(int idDiler)
{
DilerList dilerList = DilerList.getInstance();
Diler diller = dilerList.getItem(idDiler);
if (diller != null)
{
tbDealerContacts.Text = diller.Text;
}
}
private void _dgvDiller_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
int idDiller;
int.TryParse(_dgv.Rows[_dgv.SelectedCells[0].RowIndex].Cells[0].Value.ToString(), out idDiller);
DilerList dillerList = DilerList.getInstance();
Diler diller = dillerList.getItem(idDiller);
ShowAddEdit(diller);
}