private void reposerino_ButtonClick(object sender, DevExpress.XtraEditors.Controls.ButtonPressedEventArgs e)
{
string veri = Convert.ToString(gridstokha.GetFocusedRowCellValue(colSeriNo));
FrmSeriNo form = new FrmSeriNo(veri);
form.ShowDialog();
gridstokha.SetFocusedRowCellValue(colSeriNo, form);
}