//根据当前选中的单元格,根据当前行的情况设定当前选中的学校类型的原有信息,此时修改按钮有效 private void DataGrid1_CurrentCellChanged(object sender, System.EventArgs e) { DataGrid1.Select(DataGrid1.CurrentRowIndex); textBox_QuXian_ID.Text = DataGrid1[DataGrid1.CurrentRowIndex, 0].ToString(); textBox_QuXian_Name.Text = conn.QuXian_IDtoWhat(textBox_QuXian_ID.Text, "QuXian_Name"); button1.Enabled = true; }