ArgumentException in LINQ statement when getting DataEntries

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ArgumentException in LINQ statement when getting DataEntries by swtmdx

Active

Type:	Bug
ID:	426784
Opened:	3/25/2009 10:15:59 AM
Access Restriction:	Public

Workaround(s)

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User(s) can reproduce this bug

I am getting an ArgumentException ("Argument expression is not valid") in the first of the following LINQ statements. This code works well when I have fewer items in my DataFeed. The DataFeed currently has 1145 entries. Is there some limit I'm hitting here? I am using the latest March/April SDK. Thanks.

-------------------------------------------------------------------------
public bool HasDataEntries(DataFeed dataFeed, string type, string parentId)
{
    DataEntry found = null;

    if(type != null)
    {
        found = (from de in dataFeed.CreateQuery<DataEntry>()
        where de.Resource.Type == type && de.Resource.ParentId == parentId
        select de).FirstOrDefault<DataEntry>();
    }
    else
    {
        found = (from de in dataFeed.CreateQuery<DataEntry>()
        where de.Resource.ParentId == parentId
        select de).FirstOrDefault<DataEntry>();
    }

    return found != null;
}

Re: http://social.msdn.microsoft.com/Forums/en-US/liveframework/thread/579c2c96-e60c-4d04-85a8-256ae6c33a6a

Details (expand)

(1) Upload entries to query (e.g., 1145 entries)
(2) Invoke the HasDataEntries method (see above)

Vista SP1 (Home)

x86

Live Framework

PC - Internet Explorer 8

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Posted by Microsoft on 3/30/2009 at 1:11 PM

thanks for reporting this swt!

I sent this to the right team for review. Any updates should be reflected here but in the meantime hopefully that workaround posted in the forum will get you moving.

-Ben W.