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【Asp.Net从零开始】:使用LinqToData与QueryExtender对数据进行筛选性输出

2012-08-13 10:46 756 查看
<body>
<form id="form1" runat="server">
<div>

演练链接:<a href="http://msdn.microsoft.com/zh-cn/library/dd537669">http://msdn.microsoft.com/zh-cn/library/dd537669</a></div>
<asp:LinqDataSource ID="LinqDataSource1" runat="server"
ContextTypeName="NORTHWNDDataContext" EntityTypeName="" TableName="Categories">
</asp:LinqDataSource>
<asp:QueryExtender ID="QueryExtender1" runat="server"
TargetControlID="LinqDataSource1">
<asp:SearchExpression  SearchType="StartsWith" DataFields="CategoryName">
<asp:ControlParameter ControlID="tb_search" />
</asp:SearchExpression>
</asp:QueryExtender>
<br />
SearchExpression指定匹配搜索:
<asp:TextBox id="tb_search" runat="server" />
<asp:Button Text="Search!" Id="button1" runat="server" />

<asp:GridView ID="GridView1" runat="server" AllowPaging="True"
AutoGenerateColumns="False" DataKeyNames="CategoryID"
DataSourceID="LinqDataSource1">
<Columns>
<asp:BoundField DataField="CategoryID" HeaderText="CategoryID"
InsertVisible="False" ReadOnly="True" SortExpression="CategoryID" />
<asp:BoundField DataField="CategoryName" HeaderText="CategoryName"
SortExpression="CategoryName" />
<asp:BoundField DataField="Description" HeaderText="Description"
SortExpression="Description" />
</Columns>
</asp:GridView>

</form>
</body>


  
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