Always use JQuery / JQueryUI javascript API from a CDN. This gives better performance for your application specially if it is on Internet. Since some of these large CDN have caches and are available throughout the world acessing these .js files is faster than storing them in your local network. It also saves bandwidth for your local network.
Here are the links:
Microsoft CDN: This page below contains links for all Jquery versions on MS CDN.
http://www.asp.net/ajaxlibrary/cdn.ashx
Here is for Google:
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js" type="text/javascript"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.14/jquery-ui.min.js" type="text/javascript"></script>
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Sunday, July 10, 2011
The query uses unsupported elements, such as references to more than one list, or the projection of a complete entity by using EntityRef/EntitySet."}
"The query uses unsupported elements, such as references to more than one list, or the projection of a complete entity by using EntityRef/EntitySet."}
System.SystemException {System.InvalidOperationException}"
While using LINQ to SharePoint if you get this exception the possible reason is:
a) The LINQ query is using Except or Union or any possibly other operator/function (another example - Join) that performs action on two or more LINQ queries.
I recently encountered this while using Except and Union.
Cause: SharePoint tries to convert these into CAML queries but there are no equivalents in CAML. Hence the above error is generated.
Example:
var result1 = from x in dataContext.SharePointList where ....
var result2 = from...
var resultFinal = result1.Union<DataClass>(result2)
The above statement resultFinal would result in this error.
Solution: use ToList before using such function / operation:
var resultFinal = result1.toList<DataClass>.Union<DataClass>(result2.toList<DataClass>)
i.e. before Union - convert to a list using ToList which will avoid CAML generation for Union internally.
System.SystemException {System.InvalidOperationException}"
While using LINQ to SharePoint if you get this exception the possible reason is:
a) The LINQ query is using Except or Union or any possibly other operator/function (another example - Join) that performs action on two or more LINQ queries.
I recently encountered this while using Except and Union.
Cause: SharePoint tries to convert these into CAML queries but there are no equivalents in CAML. Hence the above error is generated.
Example:
var result1 = from x in dataContext.SharePointList where ....
var result2 = from...
var resultFinal = result1.Union<DataClass>(result2)
The above statement resultFinal would result in this error.
Solution: use ToList before using such function / operation:
var resultFinal = result1.toList<DataClass>.Union<DataClass>(result2.toList<DataClass>)
i.e. before Union - convert to a list using ToList which will avoid CAML generation for Union internally.
Thursday, February 3, 2011
Vague Error from Enterprise Library 5.0
In a project which used Data Access to SQL I got the following error:
Cannot open log for source 'Enterprise Library Data'. You may not have write access
Cause of the Error: Database name was not correct in the connection string.
It should have been something like "Database XYZ not found or unable to connect to DB XYZ"
-- Mohan
Cannot open log for source 'Enterprise Library Data'. You may not have write access
Cause of the Error: Database name was not correct in the connection string.
It should have been something like "Database XYZ not found or unable to connect to DB XYZ"
-- Mohan
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