gridview删除问题 哪位大虾有没有gridview的删除示例啊?先在gridview外加个删除button , 然后加代码删除遍历gridview中checkbox中选定的记录,(其中有列是图片没在数据库里,是在其他文件夹中的)知道的帮帮忙啊 找了好久了都没这样的示例。。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 ASPX------------------------<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default7.aspx.cs" Inherits="Default7" %><!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> <asp:GridView ID="gvwDemo" runat="server"> <Columns> <asp:TemplateField HeaderText="Select"> <ItemTemplate> <asp:CheckBox runat="server" id="chkSelect"> </asp:CheckBox> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> <asp:Button ID="btnDelete" runat="server" Text="Delete" OnClick="btnDelete_Click" /> </div> </form></body></html>CS------------------------------------using System;using System.Data;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 Default7 : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { ArrayList list = new ArrayList(); ViewState["data"] = list; for (int i = 0; i < 10; i++) { list.Add(i); } gvwDemo.DataSource = list; gvwDemo.DataBind(); } } protected void btnDelete_Click(object sender, EventArgs e) { ArrayList list = new ArrayList(); int rows = gvwDemo.Rows.Count; for (int i = 0; i < rows; i++) { CheckBox chk = (CheckBox)gvwDemo.Rows[i].FindControl("chkSelect"); if (chk != null && chk.Checked) { list.Add(i); } } ArrayList dataList = (ArrayList)ViewState["data"]; for (int i = 0; i < list.Count; i++) { dataList.RemoveAt((int)list[i]); for (int j = i; j < list.Count; j++) { int index = (int)list[j]; list[j] = index - 1; } } gvwDemo.DataSource = dataList; gvwDemo.DataBind(); }} 获取本地路径的图片能直接上传到服务器吗? master内容页不能访问后台代码? 为什么asp:TextBox的ID在被编译成input后就变了啊? 模拟登陆后抓取页面内容问题 请问如何在执行存储过程时不用等待存储过程的返回值? 为什么跳转会失效? 如何在邮件正文中显示一个连接 如何处理商业逻辑的异常呢? a标签默认颜色怎样修改? 聊天室主界面如何顺利使用frameset? treeview节点展开问题(紧急) 读取文本文件不整齐,怎么办?
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default7.aspx.cs" Inherits="Default7" %><!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>
<asp:GridView ID="gvwDemo" runat="server">
<Columns>
<asp:TemplateField HeaderText="Select">
<ItemTemplate>
<asp:CheckBox runat="server" id="chkSelect">
</asp:CheckBox>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:Button ID="btnDelete" runat="server" Text="Delete" OnClick="btnDelete_Click" />
</div>
</form>
</body>
</html>
CS
------------------------------------
using System;
using System.Data;
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 Default7 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack) {
ArrayList list = new ArrayList();
ViewState["data"] = list;
for (int i = 0; i < 10; i++) {
list.Add(i);
} gvwDemo.DataSource = list;
gvwDemo.DataBind();
}
}
protected void btnDelete_Click(object sender, EventArgs e) {
ArrayList list = new ArrayList();
int rows = gvwDemo.Rows.Count;
for (int i = 0; i < rows; i++) {
CheckBox chk = (CheckBox)gvwDemo.Rows[i].FindControl("chkSelect");
if (chk != null && chk.Checked) {
list.Add(i);
}
} ArrayList dataList = (ArrayList)ViewState["data"];
for (int i = 0; i < list.Count; i++) {
dataList.RemoveAt((int)list[i]);
for (int j = i; j < list.Count; j++) {
int index = (int)list[j];
list[j] = index - 1;
}
} gvwDemo.DataSource = dataList;
gvwDemo.DataBind();
}
}