📄 nestedrowfilter.aspx

📁 asp.net技术内幕的书配源码

💻 ASPX

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<%@ Page Language="C#" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.SqlClient" %>

<script runat=server>
DataSet dstNorthwind;
DataView dvwProducts;

void Page_Load(Object sender , EventArgs e) 
{
	SqlConnection conNorthwind;
	SqlDataAdapter dadNorthwind;

	dstNorthwind = new DataSet();
	conNorthwind = new SqlConnection( @"Server=localhost;Integrated Security=SSPI;Database=Northwind" );
	dadNorthwind = new SqlDataAdapter( "Select * From Categories", conNorthwind );
	dadNorthwind.Fill( dstNorthwind, "Categories" );
	dadNorthwind.SelectCommand = new SqlCommand( "Select * From Products", conNorthwind );
	dadNorthwind.Fill( dstNorthwind, "Products" );
	dvwProducts = dstNorthwind.Tables[ "Products" ].DefaultView;

	rptCategories.DataSource = dstNorthwind;
	rptCategories.DataMember = "Categories";
	rptCategories.DataBind();
}


DataView FilterProducts( int intCatID )
{
	dvwProducts.RowFilter = "CategoryID=" + intCatID;
	return dvwProducts;
}

</Script>

<html>
<head><title>NestedRowFilter.aspx</title></head>
<body>

<asp:Repeater
  ID="rptCategories"
  Runat="Server">
<ItemTemplate>
<h2><%#DataBinder.Eval(Container.DataItem, "CategoryName" )%></h2>
<asp:DataGrid
  DataSource='<%#FilterProducts(1) %>'
  Runat="Server" />
</ItemTemplate>
</asp:Repeater>

</body>
</html>

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