I want to insert Values to access table by using VBA control is there is any simple way to do this. i try this code but it does not work properly if i run this code it give the error 'variable not set' can anyone help me. thanks in advance

Private Sub CommandButton1_Click()
Dim cn As ADODB.Connection
    Dim strSql As String
    Dim lngKt As Long
    Dim dbConnectStr As String
    Dim Catalog As Object
    Dim cnt As ADODB.Connection
    Dim dbPath As String

    Dim myRecordset As New ADODB.Recordset
    Dim SQL As String, SQL2 As String

    dbPath = "table.accdb"
    dbConnectStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & dbPath & ";"

   SQL = "INSERT INTO Jun_pre (ProductName,DESCRIPTION,SKU,MT,(mt),MRP,Remark,no_of_units_in_a_case) VALUES (""aa"",""bb"",""test"",""testUnit"",""1"",""2"",,""3"",,""4"");"

        With cnt
        .Open dbConnectStr 'some other string was there
        .Execute (SQL)
        .Close
    End With
End Sub