通过ajax刷新页面后 gridview中的按钮都失效了,若通过超链接直接跳转就没有问题
通过ajax刷新页面后 gridview中的按钮都失效了,若通过超链接直接跳转就没有问题ajax代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="1.aspx.cs" Inherits="_1" %>
<!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></title>
<script type="text/javascript">
function loadXMLDoc(i) {
var url = i;
var xmlhttp;
if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp = new XMLHttpRequest();
}
else {// code for IE6, IE5
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange = function () {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
document.getElementById("myDiv").innerHTML = xmlhttp.responseText;
}
}
xmlhttp.open("POST", url, true);
xmlhttp.send();
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<a href="#">超链接</a>
<div id="myDiv"
style=" width:600px;margin:0 auto; text-align:center; font-size:12px; position:absolute; z-index:1; top: 303px; left: 421px;"></div>
</form>
</body>
</html>
链接的前台代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="1.aspx.cs" Inherits="_1" %>
<!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></title>
<script type="text/javascript">
function loadXMLDoc(i) {
var url = i;
var xmlhttp;
if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp = new XMLHttpRequest();
}
else {// code for IE6, IE5
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange = function () {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
document.getElementById("myDiv").innerHTML = xmlhttp.responseText;
}
}
xmlhttp.open("POST", url, true);
xmlhttp.send();
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<a href="#">超链接</a>
<div id="myDiv"
style=" width:600px;margin:0 auto; text-align:center; font-size:12px; position:absolute; z-index:1; top: 303px; left: 421px;"></div>
</form>
</body>
</html>
链接的后台代码：
using System;
using System.Data;
using System.Configuration;
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;
using System.Data.SqlClient;
public partial class _5 : System.Web.UI.Page
{
//清清月儿http://blog.csdn.net/21aspnet
SqlConnection sqlcon;
SqlCommand sqlcom;
string strCon = "Data Source=(local);Database=GHRQ;Uid=sa;Pwd=sa";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
bind();
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
bind();
}
//删除
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
string sqlstr = "delete from tree where id='" + GridView1.DataKeys.Value.ToString() + "'";
sqlcon = new SqlConnection(strCon);
sqlcom = new SqlCommand(sqlstr, sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
bind();
}
//更新
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
sqlcon = new SqlConnection(strCon);
string sqlstr = "update tree set funcname='"
+ ((TextBox)(GridView1.Rows.Cells.Controls)).Text.ToString().Trim() + "',funcdesc='"
+ ((TextBox)(GridView1.Rows.Cells.Controls)).Text.ToString().Trim() + "',funcurl='"
+ ((TextBox)(GridView1.Rows.Cells.Controls)).Text.ToString().Trim() + "' where id='"
+ GridView1.DataKeys.Value.ToString() + "'";
sqlcom = new SqlCommand(sqlstr, sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
GridView1.EditIndex = -1;
bind();
}
//取消
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
bind();
}
//绑定
public void bind()
{
string sqlstr = "select * from tree";
sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "tree");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "ID" };//主键
GridView1.DataBind();
sqlcon.Close();
}
}
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