SqlDataSource将新列添加到Gridview？

Question

<div style="width:100%; height:200px; overflow:scroll; border-color:White;"> 
     <asp:GridView ID="UsersGridView" runat="server" 
      CssClass="label" ShowHeaderWhenEmpty="True" Width="100%" 
      AllowSorting="True" HeaderStyle-BackColor="LightGray" CellPadding="4" 
      ForeColor="#333333" GridLines="None" DataSourceID="UsersDataSource" > 
      <AlternatingRowStyle BackColor="White" ForeColor="#284775" /> 
      <Columns> 
       <asp:BoundField HeaderText="Fleet Description" ReadOnly="True" 
        HeaderStyle-Wrap="false" HtmlEncode="True" > 
        <HeaderStyle Wrap="False"></HeaderStyle> 
       </asp:BoundField> 
       <asp:BoundField DataField="Fleet Code" HeaderText="Fleet Code" ReadOnly="True" 
        HeaderStyle-Wrap="false" > 
        <HeaderStyle Wrap="False"></HeaderStyle> 
       </asp:BoundField> 
       <asp:BoundField DataField="First Name" HeaderText="First Name" ReadOnly="True" 
        HeaderStyle-Wrap="false" > 
        <HeaderStyle Wrap="False"></HeaderStyle> 
       </asp:BoundField> 
       <asp:BoundField DataField="Last Name" HeaderText="Last Name" ReadOnly="True" 
        HeaderStyle-Wrap="false" > 
        <HeaderStyle Wrap="False"></HeaderStyle> 
       </asp:BoundField> 
       <asp:BoundField DataField="Username" HeaderText="User Name" ReadOnly="True" 
        HeaderStyle-Wrap="false" > 
        <HeaderStyle Wrap="False"></HeaderStyle> 
       </asp:BoundField> 
       <asp:BoundField DataField="Email" HeaderText="Email" ReadOnly="True" 
        HeaderStyle-Wrap="false" > 
        <HeaderStyle Wrap="False"></HeaderStyle> 
       </asp:BoundField> 
       <asp:BoundField DataField="Phone" HeaderText="Phone" ReadOnly="True" 
        HeaderStyle-Wrap="false" > 
        <HeaderStyle Wrap="False"></HeaderStyle> 
       </asp:BoundField> 
      </Columns> 
      <EditRowStyle BackColor="#999999" /> 
      <FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" /> 

      <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White"></HeaderStyle> 
      <PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" /> 
      <RowStyle BackColor="#F7F6F3" ForeColor="#333333" /> 
      <SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" /> 
      <SortedAscendingCellStyle BackColor="#E9E7E2" /> 
      <SortedAscendingHeaderStyle BackColor="#506C8C" /> 
      <SortedDescendingCellStyle BackColor="#FFFDF8" /> 
      <SortedDescendingHeaderStyle BackColor="#6F8DAE" /> 
     </asp:GridView> 
     <asp:SqlDataSource ID="UsersDataSource" runat="server" 
      ConnectionString="<%$ ConnectionStrings:ApplicationServices %>" 
      SelectCommand="SELECT  UserDataAssociation.Fleet as &quot;Fleet Code&quot;, UserDataAssociation.FirstName as &quot;First Name&quot;, UserDataAssociation.LastName as &quot;Last Name&quot;, aspnet_Users.UserName, aspnet_Membership.Email, 
        UserDataAssociation.Phone 
FROM   aspnet_Membership INNER JOIN 
        aspnet_Users ON aspnet_Membership.UserId = aspnet_Users.UserId INNER JOIN 
        UserDataAssociation ON aspnet_Membership.UserId = UserDataAssociation.UserId"></asp:SqlDataSource> 
    </div> 

我有一个select语句的sqldatasource这个gridview。但是，当页面被加载时，gridview将其原始列的两倍，由数据源创建。我希望这不是明显的情况。

我在做什么错？

感谢

Answer 1

设置GridviewAutoGenerateColumns属性设为False

Answer 2

还有就是在编辑菜单栏“自动生成字段”选项，取消它。当你选择SqlDataSource作为你的数据源时，它创建了列，出于某种原因，它没有取消选中自动生成字段选项，这就是它创建两次的原因。当你点击网格视图时，右上角会出现一个白色箭头，提供更多选项，如果展开该菜单，单击“编辑列”，然后取消选中“自动生成字段”选项。或者简单地将AutoGenerateColumns财产设置为假。