Sql server timeout error when updating user profile

Posted on 2010-09-10
Last Modified: 2012-05-10

I have a LINQ recordset (of users and their username) that I want to loop through and update a user's profile value.  The profile information is based on the default membership tables.

The following is my code and the timeout error is happening on the line
Dim dbRGT As New RegentSignsDataContext

        Dim myResults = From myTable In dbRGT.vw_USERS_GroupEmails

        For Each myRow In myResults
            ''The following line writes out to the OUTPUT window during Debug
            ''System.Diagnostics.Debug.Write(myRow.chrFullName.ToString + " = " + myRow.UserId.ToString)
            Dim userProfile As ProfileCommon = ProfileCommon.Create(myRow.UserName, True)
            userProfile.groupEmail = 1

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The specific error I am getting is:
Timeout expired.  The timeout period elapsed prior to completion of the operation or the server is not responding. I should add that if I take out the I can loop through the recordset and perform other functions with no problem.

Can anyone help me figure out why this error is happening.  All other connections to the SQL server are working and have never thrown a timeout error.  

I even tried adding this code into the function in desperation:
but it did not help at all
Question by:jordanking
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Accepted Solution

wellhole earned 500 total points
ID: 33650520
Wherever your profilecommon executes the sql, you should set the command timeout to a value higher than the default.

Author Comment

ID: 33650825
Thanks for the quick reply,

I changed my connection string in the web.config file which references a development database on a sql server 2008 express edition on the local computer where visual studio is running

the connection string is now:

This did not solve the problem.  I believe this changed the timeout to 30 seconds.  

Expert Comment

ID: 33651104
I expect that the default timeout is 30 seconds. You should increase it to 900 and see if that fixes it.
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Author Comment

ID: 33651187
I made that change but it did not work.  It did not wait 900 seconds and it threw the error same as before

Assisted Solution

wellhole earned 500 total points
ID: 33651201
Then, I hope your sql is formatted correctly such that it's not trying to wipe out the whole database in 1 shot.

Besides that, see if you can change this timeout for the COMMAND and not the connection.

Author Comment

ID: 33651785

so i took out LINQ data altogether and tested my code with just one record and it worked.  So then I tried adding the following code right below the datacontext declaration:
dbRGT.CommandTimeout = 9000

however that did not extend the time at all, so i thought it must be something with how i am getting the users profile.  So i changed the way I get all the users and it works.  The commandtimeout was a valueable lesson for using LINQ and SQL datacontext commands, so thanks for pointing me in that direction.

My working code is now:
Dim chrUsername As String

        Dim muc As MembershipUserCollection
        muc = Membership.GetAllUsers()
        Dim mu As MembershipUser
        For Each mu In muc
            chrUsername = mu.UserName
            Dim userProfile As ProfileCommon = ProfileCommon.Create(chrUsername, True)
            userProfile.groupEmail = 1
            ''iRet = myEmail.GroupEmail(myRow.Email, myRow.chrFullName, myRow.UserId.ToString, guidEmail)

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