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DataGrid中表格中删除按钮操作

2010-06-18 22:17 351 查看
前台:

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

<!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 id="Head1" runat="server">
<title>无标题页</title>
<STYLE type=text/css>BODY {
MARGIN-TOP: 0px;
SCROLLBAR-FACE-COLOR: #799ae1;
FONT-SIZE: 12px;
BACKGROUND: #cad7f7;
SCROLLBAR-HIGHLIGHT-COLOR: #799ae1;
SCROLLBAR-SHADOW-COLOR: #799ae1;
SCROLLBAR-3DLIGHT-COLOR: #799ae1;
SCROLLBAR-ARROW-COLOR: #ffffff;
SCROLLBAR-TRACK-COLOR: #aabfec;
SCROLLBAR-DARKSHADOW-COLOR: #799ae1;
margin-left: 0px;
margin-right: 0px;
margin-bottom: 0px;

}
TD {
FONT-SIZE: 12px
}
INPUT {
BORDER-TOP-WIDTH: 1px; BORDER-LEFT-WIDTH: 1px; FONT-SIZE: 12px; BORDER-BOTTOM-WIDTH: 1px; BORDER-RIGHT-WIDTH: 1px
}
TEXTAREA {
BORDER-TOP-WIDTH: 1px; BORDER-LEFT-WIDTH: 1px; FONT-SIZE: 12px; BORDER-BOTTOM-WIDTH: 1px; BORDER-RIGHT-WIDTH: 1px
}
SELECT {
BORDER-TOP-WIDTH: 1px; BORDER-LEFT-WIDTH: 1px; FONT-SIZE: 12px; BORDER-BOTTOM-WIDTH: 1px; BORDER-RIGHT-WIDTH: 1px
}
SPAN {
FONT-SIZE: 12px; POSITION: static
}
A {
COLOR: #000000; TEXT-DECORATION: none
}
A:hover {
COLOR: #428eff; TEXT-DECORATION: underline
}
A.highlight {
COLOR: red; TEXT-DECORATION: none
}
A.highlight:hover {
COLOR: red
}
A.thisclass {
FONT-WEIGHT: bold; TEXT-DECORATION: none
}
A.thisclass:hover {
FONT-WEIGHT: bold
}
A.navlink {
COLOR: #000000; TEXT-DECORATION: none
}
A.navlink:hover {
COLOR: #003399; TEXT-DECORATION: none
}
.twidth {
WIDTH: 500px
}
.content {
FONT-SIZE: 14px; MARGIN: 5px 20px; LINE-HEIGHT: 140%; FONT-FAMILY: Tahoma,宋体
}
.aTitle {
FONT-WEIGHT: bold; FONT-SIZE: 15px
}
TD.forumHeaderBackgroundAlternate {
BACKGROUND-IMAGE: url(images/admin_top_bg.gif); COLOR: #000000; BACKGROUND-COLOR: #799ae1
}
#TableTitleLink A:link {
COLOR: #ffffff; TEXT-DECORATION: none
}
#TableTitleLink A:visited {
COLOR: #ffffff; TEXT-DECORATION: none
}
#TableTitleLink A:active {
COLOR: #ffffff; TEXT-DECORATION: none
}
#TableTitleLink A:hover {
COLOR: #ffffff; TEXT-DECORATION: underline
}
TD.forumRow {
PADDING-RIGHT: 3px; PADDING-LEFT: 3px; BACKGROUND: #f1f3f5; PADDING-BOTTOM: 3px; PADDING-TOP: 3px
}
TH {
FONT-WEIGHT: bold; FONT-SIZE: 12px; BACKGROUND-IMAGE: url(images/admin_bg_1.gif); COLOR: white; BACKGROUND-COLOR: #4455aa
}
TD.bodytitle {
BACKGROUND-IMAGE: url(images/admin_bg_2.gif)
}
TD.bodytitle1 {
BACKGROUND-IMAGE: url(images/admin_bg_3.gif)
}
TD.tablebody1 {
PADDING-RIGHT: 3px; PADDING-LEFT: 3px; BACKGROUND: #bebbdb; PADDING-BOTTOM: 3px; PADDING-TOP: 3px
}
TD.forumRowHighlight {
PADDING-RIGHT: 3px; PADDING-LEFT: 3px; BACKGROUND: #e4edf9; PADDING-BOTTOM: 3px; PADDING-TOP: 3px
}
.tableBorder {
BORDER-RIGHT: #183789 1px solid; BORDER-TOP: #183789 1px solid; BORDER-LEFT: #183789 1px solid; WIDTH: 98%; BORDER-BOTTOM: #183789 1px solid; BACKGROUND-COLOR: #ffffff
}
.tableBorder1 {
WIDTH: 98%
}
.helplink {
FONT: 10px verdana,arial,helvetica,sans-serif; CURSOR: help; TEXT-DECORATION: none
}
.copyright {
PADDING-RIGHT: 1px; BORDER-TOP: #6595d6 1px dashed; PADDING-LEFT: 1px; PADDING-BOTTOM: 1px; FONT: 11px verdana,arial,helvetica,sans-serif; COLOR: #4455aa; PADDING-TOP: 1px; TEXT-DECORATION: none
}
.menuskin {
BORDER-RIGHT: #666666 1px solid; BORDER-TOP: #666666 1px solid; BACKGROUND-IMAGE: url(../skins/default/dvmenubg3.gif); VISIBILITY: hidden; FONT: 12px Verdana; BORDER-LEFT: #666666 1px solid; BORDER-BOTTOM: #666666 1px solid; BACKGROUND-REPEAT: repeat-y; POSITION: absolute; BACKGROUND-COLOR: #efefef
}
.menuskin A {
PADDING-RIGHT: 10px; PADDING-LEFT: 25px; BEHAVIOR: url(inc/noline.htc); COLOR: black; TEXT-DECORATION: none
}
#mouseoverstyle {
BORDER-RIGHT: #597db5 1px solid; PADDING-RIGHT: 0px; BORDER-TOP: #597db5 1px solid; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 2px; BORDER-LEFT: #597db5 1px solid; PADDING-TOP: 0px; BORDER-BOTTOM: #597db5 1px solid; BACKGROUND-COLOR: #c9d5e7
}
#mouseoverstyle A {
COLOR: black
}
.menuitems {
PADDING-RIGHT: 1px; PADDING-LEFT: 1px; PADDING-BOTTOM: 1px; MARGIN: 2px; WORD-BREAK: keep-all; PADDING-TOP: 1px
}
</STYLE>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head>
<body>
<form id="form1" runat="server">

<asp:DataGrid ID=GuestList runat=server AutoGenerateColumns="False" Width="95%" BorderWidth="0px" CellPadding="0" ShowHeader="False" AllowPaging="True" OnPageIndexChanged="GuestList_PageIndexChanged" PageSize="3" Height="320px" OnDeleteCommand="GuestList_DeleteCommand">
<Columns>
<asp:TemplateColumn>
<ItemTemplate>
<br />
<table width="700" height="211" border="0" align="center" cellpadding="3" cellspacing="1" class="tableBorder">
<tbody>
<tr>
<th class="tableHeaderText" height="25" align="left"> <asp:Button ID="BtnDelete" runat="server" CommandName="Delete" CommandArgument='<%# DataBinder.Eval(Container.DataItem,"id")%>' Text="删除该留言"/></th>
</tr>
</tbody>
<tbody>
<tr>
<td height="23" class="forumRow"><table width="100%" border="0" cellpadding="0" cellspacing="5">
<tr>
<td width="12%" height="12" align="left" style="width: 13%; height: 12px;">您的姓名:</td>
<td width="26%" style="height: 12px"><%# DataBinder.Eval(Container.DataItem,"name") %></td>
<td width="15%" style="height: 12px">联系电话:</td>
<td width="47%" style="height: 12px"><%# DataBinder.Eval(Container.DataItem,"tel") %></td>
</tr>
</table></td>
</tr>
<tr>
<td height="23" class="forumRow"><table width="100%" border="0" cellpadding="0" cellspacing="5">
<tr>
<td style="width: 9%" align="left">您的邮箱:</td>
<td style="width: 19%"><%# DataBinder.Eval(Container.DataItem,"email") %></td>
<td style="width: 8%">您的地址:</td>
<td width="33%"><%# DataBinder.Eval(Container.DataItem,"addr") %></td>
</tr>
</table></td>
</tr>
<tr>
<td height="23" class="forumRow"><table width="100%" border="0" cellpadding="0" cellspacing="5">
<tr>
<td width="14%" align="left" style="width: 12%">留言标题:</td>
<td width="86%"><%# DataBinder.Eval(Container.DataItem,"title") %></td>
</tr>
</table></td>
</tr>
<tr>
<td valign="top" class="forumRow"><table width="100%" border="0" cellpadding="0" cellspacing="5">
<tr>
<td width="13%" align="left" style="height: 27px">留言内容:</td>
<td width="39%" align=left style="height: 27px"><%# DataBinder.Eval(Container.DataItem,"content") %></td>
<td width="48%" align=left style="height: 27px"></td>
</tr>
</table></td>
</tr>
</tbody>
</table>

</ItemTemplate>
<HeaderStyle Width="100%" />
</asp:TemplateColumn>

</Columns>
<FooterStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Center" />
<PagerStyle Mode="NumericPages" NextPageText="下一页" PrevPageText="上一页" />
</asp:DataGrid> 
</form>
</body>
</html>

后台:

using System;
using System.Data;
using System.Data.OleDb;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class Admin_Admin_Guest : System.Web.UI.Page
{
OleDbConnection MyConn;

protected void Page_Load(object sender, EventArgs e)
{

if (Session["UserID"] == "" || Session["UserID"] == null)
{
Response.Write("<script language=javascript>window.alert('为了系统安全,请您重新登陆');window.location.href=('Admin_Login.aspx')</script>");
}
if (!IsPostBack)
{
this.DataToBind();
}
}
public void DataToBind()
{
MyConn = DB.CreateDB();
MyConn.Open();
OleDbCommand cmd = new OleDbCommand("select * from guestbook order by id desc", MyConn);
DataSet ds = new DataSet();
OleDbDataAdapter da = new OleDbDataAdapter(cmd);
da.Fill(ds, "guestbook");
this.GuestList.DataSource = ds;
this.GuestList.DataKeyField = "id";
this.GuestList.DataBind();
MyConn.Close();
}

protected void GuestList_ItemDataBound(object sender, DataGridItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
e.Item.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#1e90ff'");
e.Item.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
((Button)(e.Item.Cells[0].Controls[0])).Attributes.Add("onclick", "return confirm('确认删除?')");

}
}
protected void GuestList_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
{
this.GuestList.CurrentPageIndex = e.NewPageIndex;
this.DataToBind();
}

protected void GuestList_DeleteCommand(object sender, DataGridCommandEventArgs e)
{

MyConn = DB.CreateDB();
int id = int.Parse(e.CommandArgument.ToString());
Response.Write(id);
//this.GuestList.DataKeys[e.Item.ItemIndex].ToString();
MyConn.Open();
OleDbCommand cmd = new OleDbCommand("delete from guestbook where id=" + id, MyConn);
cmd.ExecuteNonQuery();
MyConn.Close();
this.DataToBind();
}

}
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