How can I implement jquery plugin qTip2 http://craigsworks.com/projects/qtip2/ with asp.net textbox? (elegant tooltip on mouseover)
You should wait for document ready:
$(function () { //shorthand for $(document).ready(function(){...}); $('tbLoginName').qtip({ content: 'This is an active list element', show: 'mouseover', hide: 'mouseout' }) });