在下拉列表中显示两个值绑定

Question

我试图在下拉菜单列表中显示文档的id和descritption但我不知道该怎么做.到目前为止它工作正常,但只显示参考文件.

<asp:DropDownList ID="TrainingDocIDTextBox" runat="server"
DataSourceID="AccessDataSource2" DataTextField="ReferenceDocument"
DataValueField="TrainingDocID"
onselectedindexchanged="TrainingDocIDTextBox_SelectedIndexChanged">
</asp:DropDownList>

谢谢!

Answer 1

你不能.但是您可以通过在查询中组合ReferenceDocument和TrainingDocID来解决此问题,例如:

Select [TrainingDocID], [TrainingDocID] + ',' + [ReferenceDocument] as [RefrenceDoc] from ...