Unable to access the data and table fields from handheld

Question

Hi,
I've created a Testing.sdf file on the local pc using SQL Server Management Studio, creating table, fields and insert some data. in local pc i can access the the data as normal. the problem is after i moved the file to handheld device i
cannot access the data within the table, it shown error 'Failed to retrieve data for this request. (Microsoft.SqlServer.SmoEnum)' . I tried to google it, but still got no solution.
Thanks,

Answer 1

'Name Space
Imports System.Data.SqlServerCe
'String Connection
'Data Source = D:\SKUDWN3 .sdf'
Public Sub CreateDB(ByVal StrConn As String)
        'Declaration
        Dim cn As SqlCeConnection = Nothing
        Dim cm As SqlCeCommand = Nothing
        Dim SQLEngine As SqlCeEngine = Nothing
        Dim rs As SqlCeResultSet = Nothing
        Dim rec As SqlServerCe.SqlCeUpdatableRecord = Nothing
        'Tables -
        Const TB_SKUDWN3 As String = "SKUDWN3"
        'Fields TB_SKUDWN3
        Const FL_SKUDWN3_UPC As String = "UPC"
        Const FL_SKUDWN3_SKU As String = "SKU"
        Const FL_SKUDWN3_LD As String = "LD"
        Const FL_SKUDWN3_SD As String = "SD"
        Const FL_SKUDWN3_AN As String = "AN"
        Const FL_SKUDWN3_Price As String = "Price"
        Const FL_SKUDWN3_GST_FLAG As String = "GSTFLAG"
        'Create Database
        SQLEngine = New SqlCeEngine(StrConn)
        SQLEngine.CreateDatabase()
        SQLEngine.Dispose()
        'Open Connection
        If IsNothing(cn) Then cn = New SqlCeConnection(StrConn)
        If cn.State = Data.ConnectionState.Closed Then cn.Open()
        cm = cn.CreateCommand
        'Create Table, Fields
        cm.CommandText = "CREATE TABLE " & TB_SKUDWN3 & " (" & FL_SKUDWN3_UPC & " NVARCHAR (13)," & _
            " " & FL_SKUDWN3_SKU & " NVARCHAR (9), " & FL_SKUDWN3_LD & " NVARCHAR(30)," & _
            " " & FL_SKUDWN3_SD & " NVARCHAR (18), " & FL_SKUDWN3_AN & " NVARCHAR(15), " & _
            " " & FL_SKUDWN3_Price & " NVARCHAR (10), " & FL_SKUDWN3_GST_FLAG & " BIT)"
        cm.ExecuteNonQuery()
        'Close Connection
        cm = Nothing
        If Not IsNothing(cn) Then
            If cn.State = ConnectionState.Open Then cn.Close()
            cn.Close()
            cn.Dispose()
        End If
    End Sub
'The DB was successfully created, but after moving to Handheld the fields of table can't be accessed