update database

Hi All,
I have a weird issue and no access to my past files to help me. I need to update the database, the code i have should work but it is telling me there is an error in my insert command. any ideas?

Code:

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 Dim con As New OleDb.OleDbConnection
        Dim dbProvider As String
        Dim dbSource As String
        Dim sql As String
        Dim ds As New DataSet
        Dim da As OleDb.OleDbDataAdapter
 

        dbProvider = "PROVIDER=Microsoft.Jet.OLEDB.4.0;"
        dbSource = "Data Source = " & My.Settings.path & My.Settings.filename

        con.ConnectionString = dbProvider & dbSource
        con.Open()

        sql = "SELECT *  FROM customer"
        da = New OleDb.OleDbDataAdapter(sql, con)
        da.Fill(ds, "customer")
   
        con.Close()
        Dim cb As New OleDb.OleDbCommandBuilder(da)

        Dim dsNewRow As DataRow
        dsNewRow = ds.Tables("customer").NewRow()

        dsNewRow.Item("fname") = TextBox1.Text ' update recordds
        dsNewRow.Item("lname") = TextBox8.Text
        dsNewRow.Item("streetadd") = TextBox7.Text
        dsNewRow.Item("suburb") = TextBox6.Text
        dsNewRow.Item("postcode") = TextBox5.Text
        dsNewRow.Item("phone") = TextBox4.Text
        If TextBox3.Text = "" Then
            dsNewRow.Item("mobile") = "na"
        Else
            dsNewRow.Item("mobile") = TextBox3.Text ' if blank make "na"
        End If
        dsNewRow.Item("email") = TextBox2.Text
        Dim asd As Integer
        Dim dsa As String
        dsa = ComboBox5.Text
        asd = dsa
        dsNewRow.Item("max") = asd
        dsNewRow.Item("proptype") = ComboBox1.Text
        dsNewRow.Item("pertype") = ComboBox2.Text
        dsNewRow.Item("rooms") = ComboBox3.Text
        dsNewRow.Item("invesadd") = TextBox9.Text
        dsNewRow.Item("ivestsub") = TextBox10.Text
        dsNewRow.Item("investpost") = TextBox11.Text


        ds.Tables("customer").Rows.Add(dsNewRow)

        da.Update(ds, "customer")

        MsgBox("Data Updated")

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The issue is most likely that you have one or more column names that are reserved words. The obvious culprit is "max". Either change them or else you must escape them to force them to be interpreted as identifiers. To do that, set the QuotePrefix and QuoteSuffix properties of your command builder to "[" and "]" respectively.

Thank you, I thought that may be the case but didnt think any were reserved.

All working now thanx again