jQuery AJAX到ASMX Web服务可以在IE中运行，而不是在Chrome或FF中运行

I have a ASP.NET webforms project in .NET 3.5 running locally on my machine hosting an ASMX web service. The web service works fine when called from Ajax in IE8, however, using Firefox and Chrome do not work.I have a ASP.NET webforms project in .NET 3.5 r