Question

SqlBulkCopy catch exceptions

Asked by: yo_daz_uk

All,

I am using VB.NET 2008 i am trying to do a BULK INSERT into SQL Server.  I have found the SqlBulkCopy class in .Net which seems handy.  The only thing is I want to catch the exceptions and write them to the screen, but then the INSERT to continue.

At the moment I am getting a primary key violation.  I have found out as you might expect that for a few rows there is duplicate primary key data.  When I get this error I catch the error message in a try block and the Insert Statement does not continue (in fact i dont think it puts any records in the table).

Is there a way to do a Bulk Insert in .net and catch the exceptions so i can output them for the user to see but carry on with the upload of data?

In the Code Snippet tableToUpload is a DataTable i have created from CSV file data.

' A bulk Insert is used to fire off all the imported data
        Try
            conn.Open()
            Dim bc As New SqlBulkCopy(conn)
            bc.DestinationTableName = "dbo.tblTracking"
            bc.WriteToServer(tableToUpload)
        Catch ex As Exception
            MsgBox("Error: " & vbCrLf & _
                   "An error occurred importing the data to SQL Server" & vbCrLf & _
                   ex.ToString, MsgBoxStyle.Critical, "Tyre Location Importer")
            Exit Sub
        Finally
            conn.Close()
        End Try

                                  
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Asked On
2008-09-24 at 05:45:40ID23758356
Tags

Vb.Net

Topics

Microsoft Visual Basic.Net

,

.NET

Participating Experts
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Answers

 

by: yo_daz_ukPosted on 2008-09-24 at 07:58:12ID: 22560382

Anyone?

 

by: TheLearnedOnePosted on 2008-09-24 at 18:07:48ID: 22565430

I don't think that you have the granularity of control with the native SqlBulkCopy.  You might want to check for duplicate primary key values before you insert the records.

 

by: yo_daz_ukPosted on 2008-09-25 at 01:18:54ID: 22567100

Thanks for your reply.  Is there any other way to do a Bulk Insert in .Net that does have the granuality and the speed?

 

by: TheLearnedOnePosted on 2008-09-25 at 04:41:20ID: 22568014

Not that I know of.  That is why I said that you need to deal with that issue at the source, instead of after the fact.

 

by: yo_daz_ukPosted on 2008-09-25 at 05:01:31ID: 31499672

It appears there is no way to catch exceptions and continue on a BULK INSERT.  The only way is to error check the data before.

20120131-EE-VQP-002

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