| ylbtech-ASP.NET-Control-Bind:DropDownList+DetailsView(详细视图)的使用前台绑定 |
ASP.NET中 DropDownList+DetailsView(详细视图)的使用前台绑定。
| 1.A,运行效果图返回顶部 |
| 1.B,源代码返回顶部 |
View Code
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DropDvw.aspx.cs" Inherits="DropDvw" %> <!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 /> 该类的产品： <asp:DetailsView ID="dvwYuanBo" runat="server" Height="50px" Width="125px" DataSourceID="SqlDataSource2" AllowPaging="True" AutoGenerateRows="False" DataKeyNames="ProductID"> <Fields> <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" /> </Fields> </asp:DetailsView> <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 |
https://files.cnblogs.com/ylbtech/WebForm-Drop-XList.rar
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