js的
var xmlHTTP; //检测用户名是否存在 function CheckName(userName) { createXMLHTTP(); var url = "rh_userRegEvent.aspx?name='"+userName+"'&Event=check"; xmlHTTP.Open("GET",url,true); xmlHTTP.onreadystatechange=checkUserName; xmlHTTP.send(null); }
// 注册用户 function regUser(userName,userPwd) { createXMLHTTP(); userName = document.getElementById("userName").value; userPwd = document.getElementById("userPwd").value; if(userName=="") { window.alert("用户名不能为空!"); document.getElementById("userName").focus(); return false; } if(userPwd=="") { window.alert("密码不能为空!"); document.getElementById("userPwd").focus(); return false; } var url = "rh_userRegEvent.aspx?name='"+userName+"'&pwd='"+userPwd+"'&Event=Reg"; xmlHTTP.Open("GET",url,true); xmlHTTP.onreadystatechange=regUserInfo; xmlHTTP.send(null); }
function createXMLHTTP() { if(window.XMLHttpRequest) { //xmlHTTP = new XMLHttpRequest(); xmlHTTP = new ActiveXObject("Microsoft.XMLHTTP"); } else if(window.ActiveXObject) { try { xmlHTTP = new ActiveXObject("Msxml2.XMLHTTP"); } catch(e) { } try { xmlHTTP = new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) { } } // if (typeof(xmlHttp) == "undefined") // { // alert("不能创建XMLHttp对象实例!"); // return false; // } }
// 回调函数 function checkUserName() { if(xmlHTTP.readystate==4) { if(xmlHTTP.status==200) { if(xmlHTTP.responseText == "true") { document.getElementById("imgName").src = "../images/icon/true.gif"; document.getElementById("btnReg").disabled = false; } if(xmlHTTP.responseText == "false") { document.getElementById("imgName").src="../images/icon/false.gif"; document.getElementById("btnReg").disabled=true; } } } }
//回调函数
function regUserInfo() { if(xmlHTTP.readystate==4) { if(xmlHTTP.status==200) { if(xmlHTTP.responseText=="true") { document.getElementById("userName").value = ""; document.getElementById("userPwd").value = ""; window.alert("注册成功!!"); } if(xmlHTTP.responseText=="false") { window.alert("注册失败!!"); } } } }
主界面的
<head runat="server"> <title>无标题页</title> <script src="../js/CreateObject.js" type="text/javascript"></script> <link rel="Stylesheet" type="text/css" href="../css/css.css" /> </head> <body onload="document.getElementById('userName').focus()">
<form , con);
int i = cmd.ExecuteNonQuery();
if (i > 0) { return true; } else { return false; } } }
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