ASP.NET中 DropDownList+GridView(网格视图)的使用前台绑定[高]

ylbtech-ASP.NET-Control-Bind:DropDownList+GridView(网格视图)的使用前台绑定[高]

 ASP.NET中 DropDownList+GridView(网格视图)的使用前台绑定[高]。

1.A,运行效果图返回顶部
ASP.NET中 DropDownList+GridView(网格视图)的使用前台绑定[高]
1.B,源代码返回顶部
View Code
<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="DropGvw.aspx.cs" Inherits="_Default" %>



<!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 />

    该大分类下的产品<br />

    

        <asp:GridView ID="gvwYuanBo" runat="server" AllowPaging="True" 

            AllowSorting="True" AutoGenerateColumns="False" DataKeyNames="ProductID" 

            DataSourceID="SqlDataSource2">

            <Columns>

                <asp:CommandField ShowSelectButton="True" />

                <asp:BoundField DataField="ProductID" HeaderText="ProductID" 

                    InsertVisible="False" ReadOnly="True" SortExpression="ProductID" />

                <asp:BoundField DataField="ProductName" HeaderText="ProductName" 

                    SortExpression="ProductName" />

                <asp:BoundField DataField="CategoryID" HeaderText="CategoryID" 

                    SortExpression="CategoryID" />

                <asp:BoundField DataField="UnitPrice" HeaderText="UnitPrice" 

                    SortExpression="UnitPrice" />

            </Columns>

        </asp:GridView>

        <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>

        <br />

    

    </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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