codice:Dim Connessione As OleDbConnection Dim Comand As OleDbCommand Dim DataReader As OleDbDataReader Try Connessione = New OleDbConnection(ConnectionString()) Connessione.Open() Comand = New OleDbCommand(Query(), Connessione) DataReader = Comand.ExecuteReader() If DataReader.HasRows Then Me.DataGrid1.DataSource = DataReader Me.DataGrid1.DataBind() Else Me.Label1.Text = "Non ci sono dati" End If Catch er As Exception Me.Label1.Text = er.Message Try DataReader.Close() Catch ex As Exception End Try Finally Connessione.Close() End Try