.NET开发

本类阅读TOP10

·NHibernate快速指南(翻译)
·vs.net 2005中文版下载地址收藏
·【小技巧】一个判断session是否过期的小技巧
·VB/ASP 调用 SQL Server 的存储过程
·?dos下编译.net程序找不到csc.exe文件
·通过Web Services上传和下载文件
·学习笔记(补)《.NET框架程序设计(修订版)》--目录
·VB.NET实现DirectDraw9 (2) 动画
·VB.NET实现DirectDraw9 (1) 托管的DDraw
·建站框架规范书之——文件命名

分类导航
VC语言Delphi
VB语言ASP
PerlJava
Script数据库
其他语言游戏开发
文件格式网站制作
软件工程.NET开发
在DataGrid里添加确认删除的对话框

作者:未知 来源:月光软件站 加入时间:2005-2-28 月光软件站

在DataGrid里添加确认删除的对话框

http://lucky_elove.www1.dotnetplayground.com/

在删除数据前进行确认是一个非常友好的做法。在本文里,我们就讨论利用TemplateColumn和Button服务端控件实现这种功能的方法。

查看例子

DeleteIt.aspx

<%@ Page Language="vb" AutoEventWireup="false" Codebehind="DeleteIt.aspx.vb" Inherits="aspxWeb.DeleteIt"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <title>WebForm1</title> <meta content="Microsoft Visual Studio .NET 7.0" name="GENERATOR"> <meta content="Visual Basic 7.0" name="CODE_LANGUAGE"> <meta content="JavaScript" name="vs_defaultClientScript"> <meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema"> </HEAD> <body> <asp:label id="Label1" runat="Server"></asp:label> <form runat="server" ID="Form1"> <asp:DataGrid id="myDataGrid" OnItemCreated="DataGrid_ItemCreated" DataKeyField="Title" AutoGenerateColumns="False" runat="server"> <Columns> <asp:TemplateColumn> <ItemTemplate> <asp:Button id="btnDelete" runat="Server"></asp:Button> </ItemTemplate> </asp:TemplateColumn> <asp:BoundColumn DataField="Title"></asp:BoundColumn> <asp:BoundColumn DataField="CreateDate" DataFormatString="{0:yyyy-M-d}"></asp:BoundColumn> </Columns> </asp:DataGrid> </form> </body> </HTML>

后代码:DeleteIt.aspx.vb

Imports System.Web Imports System.Collections Imports System Imports System.Data Imports System.Data.OleDb Imports System.Web.UI.WebControls Public Class DeleteIt Inherits System.Web.UI.Page Protected WithEvents Label1 As System.Web.UI.WebControls.Label Protected WithEvents myDataGrid As System.Web.UI.WebControls.DataGrid #Region " Web 窗体设计器生成的代码 " '该调用是 Web 窗体设计器所必需的。 <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() End Sub Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init 'CODEGEN: 此方法调用是 Web 窗体设计器所必需的 '不要使用代码编辑器修改它。 InitializeComponent() End Sub #End Region Sub Page_Load(ByVal Sender As Object, ByVal e As EventArgs) Handles MyBase.Load myDataGrid.HeaderStyle.Font.Bold = True myDataGrid.HeaderStyle.HorizontalAlign = HorizontalAlign.Center myDataGrid.Columns(0).HeaderText = "操作" myDataGrid.Columns(1).HeaderText = "标题" myDataGrid.Columns(2).HeaderText = "发布日期" If Not IsPostBack Then Dim strCn As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("Test.mdb") Dim strSql As String strSql = "SELECT Top 15 objectGuid,Title,CreateDate FROM Document Order By CreateDate Desc" Dim cn As New OleDbConnection(strCn) cn.Open() Dim cmd As New OleDbCommand(strSql, cn) myDataGrid.DataSource = cmd.ExecuteReader(CommandBehavior.CloseConnection) myDataGrid.DataBind() cmd.Dispose() cmd = Nothing cn.Close() cn.Dispose() cn = Nothing End If End Sub Sub DataGrid_ItemCreated(ByVal Sender As Object, ByVal e As DataGridItemEventArgs)_ Handles myDataGrid.ItemCreated Select Case e.Item.ItemType Case ListItemType.Item, ListItemType.AlternatingItem, ListItemType.EditItem Dim myDeleteButton As Button myDeleteButton = e.Item.FindControl("btnDelete") myDeleteButton.Text = "删除此行" myDeleteButton.Attributes.Add("onclick", "return confirm('您真的要删除第 "_ + e.Item.ItemIndex.ToString + " 行吗?');") End Select End Sub Private Sub myDataGrid_ItemCommand(ByVal source As Object, _ ByVal e As System.Web.UI.WebControls.DataGridCommandEventArgs)_ Handles myDataGrid.ItemCommand Response.Write("您要删除的是:<font color=red>" + e.Item.Cells(1).Text + "</font>") e.Item.BackColor = System.Drawing.Color.Ivory End Sub End Class


相关文章

相关软件