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Hi, Exist some way of to comment (documenting) my code (constructors, methods, properties, etc) ? I'm learning how to comment in the same code. <summary> ... </summary> Here a example ''' <summary> ''' busca una fila o conjunto de filas de acurdo a un critero WHERE '''...

Dear Thomas I tried implement your suggestion, but, the instance of compare (equals) always evaluate 'false'. So, I think that also the equals method not work. So, exist another way of compare two datatables ? best regards

Hi, I try compare two dataTables. Here a example: OldDt = Dt ' The idea is keep the old values before refresh the dataTable refresh(Dt) ' refresh this dataTable with the SQL Table. If Equals(OldDt, Dt) Then Debug.WriteLine("true") Else...

Another sub-question inside the primary question. Wich its the best way to refresh data from sql to a datatable (through dataadapter) ? here my form (actually the best to the moment): Public Sub refresh() cmd.CommandText = DefQuery Try con.Open()...

Hi, I made a class for access (read and write) to SQL database Tables. Each time, that mi class execute a command, this call to private method for "Refresh" a Internal DataTable that, this class have for access to info from the instance. The question is: had the .net any way for detect that...

Wich is the best way (fast and robust) that .net framework (3.0/3.5) provide for interchange information (for example: dataset packages) between two independent vb.net applications ? Any help, is welcome.

Hi, First, thank for try help. The port 1 , it's a physical RS232 port embeded on my laptop. the COM5 it's a PCMCIA converter to RS232. How you explain, in Device Manager appear only COM1 and COM5. I think (like you) that COM4 is a USB serial port (like a mouse). So, my question is, how get...

Hi, I have a little code for get the serial port available in the system. For Each pn As String In IO.Ports.SerialPort.GetPortNames Debug.WriteLine("NAME : " + pn.ToString) Next So, there have the result: So, The PORT1 and PORT5 its ok (because this are real...