data save in database from datagridview

''Declare this to your class
 Public Const CONNECTION_STRING As String = "Data Source=YOUR_HOSTNAME;Initial Catalog=DATABASE_NAME; Integrated Security=True"
    Dim dbConnection As SqlConnection = New SqlConnection(CONNECTION_STRING)
Dim ds As DataSet = New DataSet
Dim da As SqlDataAdapter
''//Declare this to your class

 Private Sub updateDGV() 
        Dim SQLText As String = "SELECT Field1,Field2,Field3,Field4,Field5 FROM TEST"
 
        Try
            If dbConnection.State = ConnectionState.Open Then dbConnection.Close()
            dbConnection.Open()
            da= New SqlDataAdapter(SQLText, dbConnection)
            da.Fill(ds, "TEST")
            dbConnection.Close()
 
        Dim cb As SqlCommandBuilder = New SqlCommandBuilder(da)
        da.Update(ds, "TEST")
     
       Catch ex As Exception
            MessageBox.Show(ex.ToString)
       End Try
  
  End Sub