Hi,

we had an issue that the filter menu of the a infragistics grid (both igHierarchicalGrid  and igGrid) does not hide by upgrading our jQuery from 1.6.2 to 1.7.1 according to your recommendation. here is the complete thread. http://es.infragistics.com/community/forums/t/79637.aspx

recently we got a problem that when the datasource contains the character pound key (#) somewhere in the text then the igHierarchicalGrid will not load. 

to be more accurate, it doesn't happen all the time, from my testings it happens if the record that contains the # is the first record. 

after continues troubleshooting we have detected that this is caused by our upgrade of jquery 1.6.2 to 1.7.1. which we had doubt of how our entire solution will perform if we upgrade , all seemd to be ok but this specific problem.

i've prepared a sample project that demonstrates this issue https://app.box.com/files/0/f/1221162121/1/f_10909570415

at index.aspx uncomment 
<script src="../../Scripts/jquery-1.7.1.min.js" type="text/javascript"> 
and comment <script src="../../Scripts/jquery.min-1.6.2.js" type="text/javascript"></script>
in order to see the problem

the error you will see in the chrome debuger is Uncaught Error: Syntax error, unrecognized expression: "123"

please help