private void dataGrid1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			DataGrid.HitTestInfo info = dataGrid1.HitTest(e.X,e.Y);
			if (info.Type == DataGrid.HitTestType.Cell)
			{				
				BindingManagerBase bmb = this.BindingContext[dataGrid1.DataSource,dataGrid1.DataMember];
				bmb.Position = info.Row;
				DataRowView drv = (DataRowView) bmb.Current; 
				Poz = bmb.Position;
			}
		} 

private void btnDelete_Click(object sender, System.EventArgs e)
		{
			targetRow = dt.Rows[Poz];
			targetRow.Delete();
			try
			{
				DataAdapter.Update(DataSet, "Tabla");
				DataSet.AcceptChanges();
			}
			catch(OleDbException ex)
			{
				DataSet.RejectChanges();
				MessageBox.Show(ex.Message);
			}		
		}