ASP.NET实现删除时弹出提示

首先实现一个点击button弹出询问框的例子：

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Untitled Page</title>
    <script>
    function ask()
    {
        return confirm("确定？取消？");
    }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <asp:Button ID="ButtonAsk" runat="server" onclick="ButtonAsk_Click" 
        Text="询问是否" />
    </form>
</body>
</html>

protected void Page_Load(object sender, EventArgs e)
{
    this.ButtonAsk.Attributes.Add("onclick", "return ask()");
}

protected void ButtonAsk_Click(object sender, EventArgs e)
{
    //执行删除操作..
    Response.Write("删除成功");
}

GridView中实现删除时询问功能：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="testGridView.aspx.cs" Inherits="testGridView" %>

<!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>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
        <asp:SqlDataSource ID="SqlDataSource1" runat="server" 
            ConnectionString="<%$ ConnectionStrings:testConnectionString %>" 
            
            SelectCommand="SELECT [CustomerID], [CompanyName], [ContactName], [City], [Country] FROM [Customers]" DeleteCommand="delete from Customers where CustomerID = @CustomerID"
            >
            <DeleteParameters>
                <asp:Parameter Name="CustomerID" Type="String" />
            </DeleteParameters>
        </asp:SqlDataSource>
    
    </div>
    <asp:GridView ID="GridView1" runat="server" AllowPaging="True" 
        AllowSorting="True" DataSourceID="SqlDataSource1" 
        DataKeyNames="CustomerID" onrowdeleting="GridView1_RowDeleting" 
        onrowdatabound="GridView1_RowDataBound">
        <Columns>
            <asp:CommandField ShowDeleteButton="True" />
        </Columns>
    </asp:GridView>
    </form>
</body>
</html>

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;

public partial class testGridView : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        
    }
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        ///这个方法可以在删除前做一些操作，如取值、判断，乃至取消删除的动作

        //string id = GridView1.DataKeys[e.RowIndex].Value.ToString();
        //Page.RegisterStartupScript("","<script>alert('" + id + "');</script>");
        //e.Cancel = true;
    }
    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            if (e.Row.RowState == DataControlRowState.Normal || e.Row.RowState == DataControlRowState.Alternate)
            {
                TableCell cl = e.Row.Cells[0];
                LinkButton lb = (LinkButton)cl.Controls[0];    //DataControlLinkButton
                lb.Attributes.Add("onclick", "javascript:return confirm('你确认要删除：\"" + e.Row.Cells[1].Text + "\"吗?')");
            }
        }
    }
}

posted on 2008-07-05 15:33  王丹小筑  阅读(1418)  评论(2)    收藏  举报

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