| ylbtech-ASP.NET-Control-Bind:DropDownList+FormView(表单视图)的使用前台绑定 |
ASP.NET中 DropDownList+FormView(表单视图)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="DropFvw.aspx.cs" Inherits="DropFvw" %> <!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：<br /> <asp:FormView ID="fvwYuanBo" runat="server" AllowPaging="True" DataKeyNames="ProductID" DataSourceID="SqlDataSource2"> <EditItemTemplate> ProductID: <asp:Label ID="ProductIDLabel1" runat="server" Text='<%# Eval("ProductID") %>' /> <br /> ProductName: <asp:TextBox ID="ProductNameTextBox" runat="server" Text='<%# Bind("ProductName") %>' /> <br /> CategoryID: <asp:TextBox ID="CategoryIDTextBox" runat="server" Text='<%# Bind("CategoryID") %>' /> <br /> UnitPrice: <asp:TextBox ID="UnitPriceTextBox" runat="server" Text='<%# Bind("UnitPrice") %>' /> <br /> <asp:LinkButton ID="UpdateButton" runat="server" CausesValidation="True" CommandName="Update" Text="更新" /> <asp:LinkButton ID="UpdateCancelButton" runat="server" CausesValidation="False" CommandName="Cancel" Text="取消" /> </EditItemTemplate> <InsertItemTemplate> ProductName: <asp:TextBox ID="ProductNameTextBox" runat="server" Text='<%# Bind("ProductName") %>' /> <br /> CategoryID: <asp:TextBox ID="CategoryIDTextBox" runat="server" Text='<%# Bind("CategoryID") %>' /> <br /> UnitPrice: <asp:TextBox ID="UnitPriceTextBox" runat="server" Text='<%# Bind("UnitPrice") %>' /> <br /> <asp:LinkButton ID="InsertButton" runat="server" CausesValidation="True" CommandName="Insert" Text="插入" /> <asp:LinkButton ID="InsertCancelButton" runat="server" CausesValidation="False" CommandName="Cancel" Text="取消" /> </InsertItemTemplate> <ItemTemplate> ProductID: <asp:Label ID="ProductIDLabel" runat="server" Text='<%# Eval("ProductID") %>' /> <br /> ProductName: <asp:Label ID="ProductNameLabel" runat="server" Text='<%# Bind("ProductName") %>' /> <br /> CategoryID: <asp:Label ID="CategoryIDLabel" runat="server" Text='<%# Bind("CategoryID") %>' /> <br /> UnitPrice: <asp:Label ID="UnitPriceLabel" runat="server" Text='<%# Bind("UnitPrice") %>' /> <br /> </ItemTemplate> </asp:FormView> <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
 |
作者：ylbtech 出处：http://ylbtech.cnblogs.com/ 本文版权归作者和博客园共有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。 |