private void dataGrid1_CurrentCellChanged(object sender, System.EventArgs e)
		{
			//得到單元格的值
			DataGrid dgSender=(DataGrid)sender;
			DataGridCell cellCurr=dgSender.CurrentCell;//當前單元格
			this.textBox1.Text=dgSender[cellCurr.RowNumber,cellCurr.ColumnNumber].ToString();
		}