OrderID, Products.ProductName, [Order Details].UnitPrice, [Order Details].Quantity FROM -
[Order Details] INNER JOIN Products ON [Order Details].ProductID = Products.ProductID-
WHERE [Order Details].OrderID = @OrderID">
<SelectParameters>
<asp:Parameter Name="OrderID" />
</SelectParameters>
</asp:SqlDataSource>
下面的例子演示了类似的技术,它使用的是DataList,处理DataList的ItemDataBound事件来设置数据源参数值。
<script runat="server">
Protected Sub DataList1_ItemDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DataListItemEventArgs)
Dim s As SqlDataSource = e.Item.FindControl("OrderDetailsDataSource")
s.SelectParameters("OrderID").DefaultValue = e.Item.DataItem("OrderID")
End Sub
</script>

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