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I don't have much experience, and I have to make a POST with Basic Ath with username and password, data with json. I made a function, but in the response of the authentication error "401Unauthorized" GIdSwEntregador = "1234598" GBoxUsados = "001-002" GIDEntrega = "130471"...

Good afternoon everyone, I have a string with a fixed Hex value (example: "02 F0 32 03 27") as send in a TCPClient communication. open and close the communication I know. Thanks

I need help, using an INI file to define which form will start the program. Thank´s

I'm using PrintPreviewDialog1.Document, where the print on the component's screen appears perfect on the object's screen, but when I click on print the sheet comes out blank, does anyone know about it?

I have a routine that I have inside a DataGridView, I want each row of the DataGridView to be printed on a page. but I'm not getting you to change the page in the printdocument, see the routine my code : Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click Dim...