private void GrdSel_CurrentCellChanged(object sender, EventArgs e) { if (Tb == null) { return; } if (Tb.Rows.Count < 0) { return; } for (int i = 0; i < Tb.Rows.Count - 1; i++) { GrdSel.UnSelect(i); } if (this.GrdSel.CurrentRowIndex >= 0) { this.GrdSel.Select(this.GrdSel.CurrentRowIndex); } }