jQuery ajax upload image
$(function(){
new AjaxUpload('file1', {
action: 'uploadpic.asp',
name: 'form1',
data:{act:'uploadfile',FormName:'form1'},
autoSubmit:false,
responseType:'json',
onSubmit:function(file,ext){
if (!(ext && /^(jpg|png|gif)$/i.test(ext))){
alert('ÇëÄúÉÏ´«jpg|png|gif¸ñʽµÄͼƬ!');
return false;
}
else{
$('#esave').show();
}
},
onComplete:function(file,response){
$('#esave').hide();
$('#pic').val(response.imgfile);
}
});
});
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!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=" ......
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–Impersonation
–PrincipalPermission
WebService7.cs Code
using System;
using System.Web;
using System.Collections;
using System.Web.Services;
using System.Web.Services.Protocols;
usi ......
var XmlHttp;
var PathUrl;
function createXmlHttp() {
if (window.ActiveXObject) {
return new ActiveXObject("Microsoft.XMLHTTP");
}
else if (window.XMLHttpRequest) {
  ......