I am trying to do simple insert, update, delete, select statements within VB .NET to access a MS Access database. I have tried all kinds of solutions offered on the web and while the code seems to work, no rows are inserted. Also, I have tried, unsuccessfully, to use the Try/Catch to see if there's an error with no success. Please advise what I'm doing wrong. I have attached the versions of VB .Net and MS Access I am using:
Here's the code:

Dim Connection_String As String
            Connection_String = "Provider=Microsoft.Jet.OLEDB.4.0;Password=;Data Source=C:\AquaticPT\AquaticPT.mdb"
            Dim dbConn As OleDbConnection = New OleDbConnection(Connection_String)
            Dim dbCMD As OleDbCommand
            Dim dr As OleDbDataReader
            Dim ds As DataSet = New DataSet
            Dim cmdstr As String
            Dim sqlQRY As String = "SELECT * FROM tbPatient"
            Dim daAdapt As OleDbDataAdapter = New OleDbDataAdapter(sqlQRY, dbConn)
            Dim cb As OleDbCommandBuilder = New OleDbCommandBuilder(daAdapt)

            MsgBox("db open")
            daAdapt.Fill(ds, "tbPatient")
            Dim dt As DataTable = ds.Tables("tbPatient")

            Dim dsNewRow As DataRow = dt.NewRow

            dsNewRow("PrimaryPhone") = stPrimaryPhone
            dsNewRow("FirstName") = stFirstName
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