mysql insert staement not working

here is the code Im using, code compiles without errors, but no records in DB

        Dim SqlString As String = "INSERT INTO profiles (nom, prenom, doorNumber, address) VALUES (" & TextBox1.Text & ", " & TextBox2.Text & ", " & TextBox8.Text & ", " & TextBox9.Text & ")"



        Try
            Using conn As New MySql.Data.MySqlClient.MySqlConnection(myConnectionString)
                Using cmd As New MySql.Data.MySqlClient.MySqlCommand(String.Format(SqlString), conn)
                    conn.Open()
                End Using
            End Using
        Catch ex As MySql.Data.MySqlClient.MySqlException
            MessageBox.Show(ex.Message)
        End Try