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<%@ Page Language="C#" %>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Executing a Stored Procedure using SqlDataSource Control</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:SqlDataSource ID="categoriesSource" runat="server"
ProviderName="System.Data.SqlClient"
ConnectionString="<%$ ConnectionStrings:AdventureWorks %>"
SelectCommand="GetProductSubCategories" SelectCommandType="StoredProcedure">
</asp:SqlDataSource>
Categories:
<asp:DropDownList runat="server" DataSourceID="categoriesSource"
DataValueField="ProductSubcategoryID" DataTextField="Name" AutoPostBack="true"
ID="lstCategories" />
<asp:SqlDataSource ID="productsSource" runat="server"
ProviderName="System.Data.SqlClient"
ConnectionString="<%$ ConnectionStrings:AdventureWorks %>"
SelectCommand="GetProductsByCategoryID" SelectCommandType="StoredProcedure">
<SelectParameters>
<asp:ControlParameter ControlID="lstCategories" Name="ProductSubcategoryID"
PropertyName="SelectedValue" />
</SelectParameters>
</asp:SqlDataSource>
<asp:GridView runat="server" DataSourceID="productsSource"
HeaderStyle-HorizontalAlign="Center" HeaderStyle-Font-Bold="True"
HeaderStyle-BackColor="blue" HeaderStyle-ForeColor="White" />
</div>
</form>
</body>
</html>
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