ControlParameter的问题

Question

下面这段代码：想写在CS文件中怎么写？特别想知道这段在CS文件中怎么写？望大家告诉下！谢谢<SelectParameters>
                <asp:ControlParameter ControlID="DropDownList1" Name="gb_id" PropertyName="SelectedValue"
                    Type="Int32" />
            </SelectParameters>
        <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:gbConnectionString %>"
            SelectCommand="SELECT * FROM [gb] WHERE ([gb_id] = @gb_id)">
            <SelectParameters>
                <asp:ControlParameter ControlID="DropDownList1" Name="gb_id" PropertyName="SelectedValue"
                    Type="Int32" />
            </SelectParameters>
        </asp:SqlDataSource>

Answer 1

不知道写得对不对,以前常用的.  SqlDataSource ss = new SqlDataSource();
            ss.SelectParameters.Add(new Parameter("gb_id", SqlDbType.Int, DropDownList.SelectedValue));