.NET include htm page to aspx

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SQL Transaction usage in Vb.NET

Dim sqlConn As New SqlConnection(Current.Application.Get("dbstring"))
........
sqlConn.Open()
Dim sqlTrans As SqlTransaction = sqlConn.BeginTransaction()

saveSupplierRecord(sqlTrans, ......
 sqlTrans.Commit() || sqlTrans.Rollback()
-------------------------------------------------------
Function InsertTransaction(ByRef sqlTrans As SqlTransaction .....
  Dim sqlConn As SqlConnection
  sqlConn = sqlTrans.Connection

.......
End Function