ASP.NET 中 DropDownList+DataList(数据列表)的使用前台绑定

ylbtech-ASP.NET-Control-Bind:DropDownList+DataList(数据列表)前台绑定

 ASP.NET中 DropDownList+DataList(数据列表)的使用前台绑定。

1.A,运行效果图返回顶部
ASP.NET 中 DropDownList+DataList(数据列表)的使用前台绑定
1.B,源代码返回顶部
View Code
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DropDlst.aspx.cs" Inherits="DropDlst" %>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

    <title>无标题页</title>

</head>

<body>

    <form id="form1" runat="server">

    <div>

        请选择大分类

        <asp:DropDownList ID="dropYuanBo" runat="server" AutoPostBack="True" DataSourceID="SqlDataSource1"

            DataTextField="CategoryName" DataValueField="CategoryID">

        </asp:DropDownList>

        <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"

            SelectCommand="SELECT [CategoryID], [CategoryName] FROM [Categories]"></asp:SqlDataSource>

        <hr />

        该分类的产品:<br />

        <asp:DataList ID="dlstYuanBo" runat="server" DataKeyField="ProductID" DataSourceID="SqlDataSource2"

            RepeatColumns="4" RepeatDirection="Horizontal">

            <ItemTemplate>

                ProductID:

                <asp:Label ID="ProductIDLabel" runat="server" Text='<%# Eval("ProductID") %>' />

                <br />

                ProductName:

                <asp:Label ID="ProductNameLabel" runat="server" Text='<%# Eval("ProductName") %>' />

                <br />

                CategoryID:

                <asp:Label ID="CategoryIDLabel" runat="server" Text='<%# Eval("CategoryID") %>' />

                <br />

                UnitPrice:

                <asp:Label ID="UnitPriceLabel" runat="server" Text='<%# Eval("UnitPrice") %>' />

                <br />

                <br />

            </ItemTemplate>

        </asp:DataList>

        <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"

            SelectCommand="SELECT [ProductID], [ProductName], [CategoryID], [UnitPrice] FROM [Products] WHERE ([CategoryID] = @CategoryID)">

            <SelectParameters>

                <asp:ControlParameter ControlID="dropYuanBo" DefaultValue="1" Name="CategoryID" PropertyName="SelectedValue"

                    Type="Int32" />

            </SelectParameters>

        </asp:SqlDataSource>

    </div>

    </form>

</body>

</html>
/web.config
<connectionStrings>

        <add name="NorthwindConnectionString" connectionString="Data Source=.;Initial Catalog=Northwind;Integrated Security=True" providerName="System.Data.SqlClient"/>

    </connectionStrings>
1.C,资源下载返回顶部

http://files.cnblogs.com/ylbtech/WebForm-Drop-XList.rar

warn 作者:ylbtech
出处:http://ylbtech.cnblogs.com/
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