Imports System
Imports System.Data
Imports System.Data.SqlClient
public class MainClass
Shared Sub Main()
Dim myconnection As SqlConnection
Dim mycommand As SqlCommand
Dim mytransaction As SqlTransaction
Dim ConnectionString As String
myconnection = New SqlConnection("server=(local)\SQLEXPRESS;" & _
"integrated security=sspi;database=MyDatabase")
myconnection.Open()
'start a transaction
mytransaction = myconnection.BeginTransaction()
'configure command object to use transaction
mycommand = New SqlCommand
mycommand.Connection = myconnection
mycommand.Transaction = mytransaction
Try
mycommand.CommandText = "insert into Employee(ID," & _
"FirstName,LastName) values(119, " & _
"'F','L')"
mycommand.ExecuteNonQuery()
mytransaction.Rollback()
Console.WriteLine("Rollback()")
mycommand.CommandText = "insert into Employee(ID," & _
"FirstName,LastName) values(119, " & _
"'F','L')"
mytransaction.Commit()
Catch e As Exception
Console.WriteLine(e.Message)
Finally
myconnection.Close()
End Try
End Sub
End Class
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