如何在asp.net的gridview中编辑行时从数据库中填充下拉列表

Question

我想在编辑行时从数据库的下拉列表中显示数据。下拉列表放在<EditItemTemplate>代码文件中如何访问这个下拉列表..

  <asp:TemplateField ItemStyle-Width="30px" HeaderText="Group of Broker">
        <itemtemplate>
            <asp:Label ID="lblGroupofBroker" runat="server" Text='<%# Eval("groupofbroker")%>'></asp:Label>
        </itemtemplate>
        <edititemtemplate>
            <asp:DropDownList ID="ddlGroupofBroker" runat="server" DataTextField='<%# Eval("groupofbroker") %>'> </asp:DropDownList>
        </edititemtemplate>
        <itemstyle width="30px" />
        <footertemplate>
            <asp:DropDownList ID="DropDownList1" runat="server"></asp:DropDownList>`
        </footertemplate>
    </asp:TemplateField>

请帮助我如何访问代码文件中的此下拉列表以从数据库中填充数据

Answer 1

你需要处理gridview_RowEditing事件

protected void gridview_RowEditing(object sender, GridViewEditEventArgs e)
    {
    GridViewRow row = gvAllClients.Rows[e.NewEditIndex];

       // Change the row state
    DropDownList ddlDataType = (DropDownList)(row.FindControl("ddlDataTypeAll"));
     //ddlDataType.DataSource = <datasocurce>;
     //ddlDataType.DataBind(); 


    }