//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_School_Type_ID.Text = DataGrid1[DataGrid1.CurrentRowIndex, 0].ToString(); textBox_School_Type_Name.Text = conn.School_Type_IDtoWhat(textBox_School_Type_ID.Text, "School_Type_Name"); button1.Enabled = true; }