Error while updating dataset to the database

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ADO.NET

Hello friends,
I am learning how to update dataset to the database. But while executing following code I am facing following error, please help. Thanks in advance.

Code :

Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
        '
        ' Control Validation
        '
        changeState(True)
        inputEnabled(False)

        Dim dr As DataRow

        dr = ds.Tables(0).NewRow()
        dr(0) = txtRollNo.Text
        dr(1) = txtName.Text
        dr(2) = txtClass.Text

        ds.Tables(0).Rows.Add(dr)

        build = New SqlCommandBuilder(ada)

        ada.Update(ds) 'Error causes line'

    End Sub

Error :

Dynamic SQL generation is not supported against a SelectCommand that does not return
any base table information.