Getting error when fill data from sqldataadapter to datatable in VB.NET which contain binary data

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Hi I am stored binary data in one table,in For loop gets binary data one by one,below is my code in that
fadts is datatable contains 3 rows,when first time it works fine,second time when goes to fill data in dataadapter it throws error,

VB

           For Each row1 As DataRow In fadts.Rows
                    callclearsql()
                    System.Threading.Thread.Sleep(2000)
                    Dim facons1 As New SqlConnection(My.Settings.CS)
                    facons1.Open()
                    Dim fadrs1 As New SqlDataAdapter("SELECT ID,DocumentExtension,DocumentName,[Document]  FROM FileStore  where ID=" & row1("ID").ToString & "", facons1)
                    Dim fadts1 As New DataTable
                    fadrs1.SelectCommand.CommandTimeout = 0
                    fadts1.Rows.Clear()
                    fadrs1.Fill(fadts1)' Here got Exception of type 'System.OutOfMemoryException' was thrown.

                    Writelog("above loop1.1")
Next

It work only first loop,second time it throws error,[Document] column contains binary data.

Pls reply asap

Regards
Aravind

What I have tried:

I did dispose,clear and close for fadrs1,fadts1 and sql connection,but even it throws error.

Posted 26-Oct-16 17:56pm

Aravindba

Updated 31-Oct-16 22:50pm

v3

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Comments

Dave Kreskowiak 31-Oct-16 22:54pm

How big are these rows in bytes, each?

Aravindba 1-Nov-16 0:16am

300 mb ,means we using filestream table. [Document] varbinary(MAX) Checked,for first file can get,second time it throws error.if all files below 50 mb then no problem with same coding.Pls tell me how solve this problem . i added below query in before and after select command and in every 5 lines

DBCC FREESYSTEMCACHE ('ALL') WITH MARK_IN_USE_FOR_REMOVAL; DBCC FREESESSIONCACHE WITH NO_INFOMSGS; DBCC FREEPROCCACHE WITH NO_INFOMSGS; DBCC DROPCLEANBUFFERS; DBCC FREEPROCCACHE ('internal'); DBCC FREESESSIONCACHE WITH NO_INFOMSGS; DBCC FREESYSTEMCACHE ('ALL', internal);

Aravindba 1-Nov-16 4:49am

Thanks for ur effort,finally i found solution from this link
https://msdn.microsoft.com/en-us/library/87z0hy49(v=vs.110).aspx

Thanks

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Aravindba · Answer 1 · 2016-10-31T22:50:00

Solution 1

Thanks,finally i found solution form this link,Thanks MicroSoft
https://msdn.microsoft.com/en-us/library/87z0hy49(v=vs.110).aspx

Posted 31-Oct-16 22:50pm

Aravindba