validate username ajax and json and asp.net
问题 So I'm new to json/ajax/jquery/webservices I am trying to do a join page whereby the user types in a few letters and gets instant feedback on whether or not the username is available or not. I have an html file [the user front end], and an asmx webservice, the webservice checks to see if whatever text it has gotten exists [it runs a stored procedure which works fine] My html file doesn't seem be to calling my webservice. I have verified the webservice works by going to the asmx page and