<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<input id="Button1" style="width: 115px" type="button" value="button" />
<script language="javascript">
var xmlhttp=false;
function a()
{
xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");使用ie6
xmlhttp.onreadystatechange=ff;
xmlhttp.open("get","http://localhost:15834/ajax/Default.aspx?a=a",true);
xmlhttp.send("");
}
function ff()
{
if(xmlhttp.readyState==4)
{
alert(xmlhttp.responseText);
}
}
</script>
<asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="Button" /></div>
</form>
</body>
</html> 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 _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if(Request .QueryString ["a"]!=null )
{
SqlDataAdapter DA = new SqlDataAdapter("select * from news",@"Data Source=F3539F15DC0840A\SQLEXPRESS;Initial Catalog=shengya;Integrated Security=True");
DataTable DT=new DataTable ();
DA .Fill (DT);
Response.ContentType = "text/xml";
Response.Write("请求返回！"+DT .Rows .Count );
Response.End();
}
}
protected void Button2_Click(object sender, EventArgs e)
{
SqlDataAdapter DA = new SqlDataAdapter("select * from news", @"Data Source=F3539F15DC0840A\SQLEXPRESS;Initial Catalog=shengya;Integrated Security=True");
DataTable DT = new DataTable();
DA.Fill(DT);
;
Response.Write("<script>alert('请求返回！" + DT.Rows.Count+"')</script>");
}
}
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