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04.14.2008 at 10:53AM PDT, ID: 23321142
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7.4

Executing T-SQL statements in VB.Net

Asked by rdinfo in SQL Server 2005, MS SQL Server, Microsoft Visual Basic.Net

Tags:

Hi

I have an application with a sql server database within the data directory (Not in SQL Server itself). I would like to be able to create scripts to update this database file and load these scripts into my app, run the scripts on my Database in order to update the database used by the app.  I am able to make the scripts, but not able to execute the scripts against the database. I dont get any errors, but nothing gets updated when i run the code. If i run the script within SQL Server management studio on the same DB, it works? Why? and how can i get it to work on my "Standalone" DB file?

Attached is the code i used to run the script in Vb.net!


And My connection string for my test app is:
"Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\Database\MyDb.mdf;Integrated Security=True;User Instance=True"

Any ideas?

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Public Sub ExecuteSql(ByVal connection As SqlConnection, ByVal sqlFile As String)
        Dim sql As String = ""
 
        Using strm As FileStream = File.OpenRead(sqlFile)
            Dim reader As New StreamReader(strm)
            sql = reader.ReadToEnd()
        End Using
 
 
        Dim regex As New Regex("^GO", RegexOptions.IgnoreCase Or RegexOptions.Multiline)
        Dim lines As String() = regex.Split(sql)
 
        Dim transaction As SqlTransaction = connection.BeginTransaction()
        Using cmd As SqlCommand = connection.CreateCommand()
            cmd.Connection = connection
            cmd.Transaction = transaction
 
            For Each line As String In lines
                If line.Length > 0 Then
                    cmd.CommandText = line
                    cmd.CommandType = CommandType.Text
 
                    Try
                        cmd.ExecuteNonQuery()
                    Catch generatedExceptionName As SqlException
                        transaction.Rollback()
                        Throw
                    End Try
                End If
            Next
        End Using
 
        transaction.Commit()
    End Sub
 
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[+][-]04.14.2008 at 10:58AM PDT, ID: 21352144

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[+][-]04.14.2008 at 10:59AM PDT, ID: 21352153

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About this solution

Zones: SQL Server 2005, MS SQL Server, Microsoft Visual Basic.Net
Tags: Visual Basic.NET
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Solution Provided By: chapmandew
Participating Experts: 3
Solution Grade: B
 
 
[+][-]04.14.2008 at 11:20AM PDT, ID: 21352346

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[+][-]04.14.2008 at 11:28AM PDT, ID: 21352434

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[+][-]04.14.2008 at 11:34AM PDT, ID: 21352500

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[+][-]04.14.2008 at 11:56AM PDT, ID: 21352697

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[+][-]04.14.2008 at 11:59AM PDT, ID: 21352722

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[+][-]04.14.2008 at 12:19PM PDT, ID: 21352903

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[+][-]04.14.2008 at 12:40PM PDT, ID: 21353084

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[+][-]04.14.2008 at 05:17PM PDT, ID: 21355084

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[+][-]04.22.2008 at 12:52AM PDT, ID: 21408824

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