下面ajax判定用户名是否存在的,为什么网页一加载就回发了呢?
$(document).ready
(
function ()
{ $("#txtUserName").blur
(
$.ajax
(
{
type:"GET",
url:"ajaxHelper.aspx?UserName="+$("#txtUserName").val(),
success:function ()
{
$("#msgUserName").html(arguments[0]);
}
}
)
);
$(document).ready
(
function ()
{ $("#txtUserName").blur
(
$.ajax
(
{
type:"GET",
url:"ajaxHelper.aspx?UserName="+$("#txtUserName").val(),
success:function ()
{
$("#msgUserName").html(arguments[0]);
}
}
)
);
(
}
通过按钮的click查询,判断txtUserName是否为空
/// <reference path="scripts/jquery-1.2.3-intellisense.js" />
$(document).ready
(
function ()
{ $("#txtUserName").blur
(
function ()
{
$.ajax
(
{
type:"GET",
url:"ajaxHelper.aspx?UserName="+$("#txtUserName").val(),
success:function ()
{
$("#msgUserName").html(arguments[0]);
}
}
)
}
);好像不能运行
}