To see the SqlDataSource in action, let's take a look at the Orders_SDS.aspx page (see Figure 4).

为了查看SqlDataSource是如何操作的，让我们先观察一下Orders_SDS . aspx页(参见图4)。

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There is a DropDownList control that is bound to a SqlDataSource source control the retrieves a list of customers from the Northwind database.

有一个 DropDownList 控件，它绑定到一个从 Northwind 数据库中检索客户列表的 SqlDataSource 源控件。

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The code in Figure 5, taken from Orders_SDS.aspx (which is available in the download), shows the two SqlDataSource controls and the DropDownList.

图5中的代码(摘自orders_sds . aspx—它可在下载中得到)显示了两个SqlDataSource控件和这个DropDownList。

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