ASP.NET中 FormView(表单视图)的使用前台绑定

最新推荐文章于 2025-04-27 19:06:59 发布

转载最新推荐文章于 2025-04-27 19:06:59 发布 · 248 阅读

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本文介绍 ASP.NET 中 FormView 控件的使用方法，重点讲解如何通过前台绑定来展示、编辑、插入和删除数据库中的产品信息。示例包括完整的 HTML 和 C# 代码，演示了不同模板的配置及 SQL 数据源的设置。

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ylbtech-ASP.NET-Control-Bind:FormView(表单视图)的使用前台绑定

ASP.NET中 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="Fvw.aspx.cs" Inherits="Fvw" %>

<!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>
    <h3>FromView</h3>
    <hr />
        <asp:FormView ID="fvw" runat="server" AllowPaging="True" 
            DataKeyNames="ProductID" DataSourceID="SqlDataSource1">
            <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" />
                &nbsp;<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" />
                &nbsp;<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 />
                <asp:LinkButton ID="EditButton" runat="server" CausesValidation="False" 
                    CommandName="Edit" Text="编辑" />
                &nbsp;<asp:LinkButton ID="DeleteButton" runat="server" CausesValidation="False" 
                    CommandName="Delete" Text="删除" />
                &nbsp;<asp:LinkButton ID="NewButton" runat="server" CausesValidation="False" 
                    CommandName="New" Text="新建" />
            </ItemTemplate>
        </asp:FormView>
        <asp:SqlDataSource ID="SqlDataSource1" runat="server" 
            ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" 
            DeleteCommand="DELETE FROM [Products] WHERE [ProductID] = @ProductID" 
            InsertCommand="INSERT INTO [Products] ([ProductName], [CategoryID], [UnitPrice]) VALUES (@ProductName, @CategoryID, @UnitPrice)" 
            SelectCommand="SELECT [ProductID], [ProductName], [CategoryID], [UnitPrice] FROM [Products] ORDER BY [ProductID] DESC" 
            UpdateCommand="UPDATE [Products] SET [ProductName] = @ProductName, [CategoryID] = @CategoryID, [UnitPrice] = @UnitPrice WHERE [ProductID] = @ProductID">
            <DeleteParameters>
                <asp:Parameter Name="ProductID" Type="Int32" />
            </DeleteParameters>
            <UpdateParameters>
                <asp:Parameter Name="ProductName" Type="String" />
                <asp:Parameter Name="CategoryID" Type="Int32" />
                <asp:Parameter Name="UnitPrice" Type="Decimal" />
                <asp:Parameter Name="ProductID" Type="Int32" />
            </UpdateParameters>
            <InsertParameters>
                <asp:Parameter Name="ProductName" Type="String" />
                <asp:Parameter Name="CategoryID" Type="Int32" />
                <asp:Parameter Name="UnitPrice" Type="Decimal" />
            </InsertParameters>
        </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>