C# – How to printing crystal report directly to network printer in Vb.net or C#.net in Windows Applications

c++vb.net

I have written the following code as,

        Dim report As New ReportDocument
        report.PrintOptions.PrinterName = "\\network\printer"
        report.Load(CrystalReportName.rpt, OpenReportMethod.OpenReportByDefault)
        report.PrintToPrinter(1, False, 0, 0)

when i am trying to run this code , it shows the error message as "Invalid Printer Specified". If i give the local printer name, it is working fine. But i can't able to print the crystal report directly to the network printer. Kind help needed. Thanks in advance.

Sivakumar.P

Best Solution

Use this code to know the installed printers

Imports System.Drawing
Imports System.Drawing.Printing

and this code on the load function... you will fill a combobox with the printers and their names correctly, and then use your code

For Each Printer In PrinterSettings.InstalledPrinters
    cmbPrinters.Items.Add(Printer)
Next

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Try enumerating System.Drawing.Printing.PrinterSettings.InstalledPrinters.

using System.Drawing.Printing;
string GetDefaultPrinter()
{
    PrinterSettings settings = new PrinterSettings();
    foreach (string printer in PrinterSettings.InstalledPrinters)
    {
        settings.PrinterName = printer;
        if (settings.IsDefaultPrinter)
            return printer;
    }
    return string.Empty;
}

C# – Printing from ASP.NET to a network printer

There are issues with credentials that you could solve by impersonation or elevating rights of the user the web app is running under.

However, we did it by adding the network printer as a printer on the server (add printer dialogue on server) and having the job sent to that printer.

We used the Printing.PrintDocument like so (Code in VB)....

Public Class SpecialReportPrintJob
  Inherits Printing.PrintDocument

Protected Overrides Sub OnBeginPrint(ByVal ev as Printing.PrintEventArgs)
  MyBase.OnBeginPrint(ev)

  Me.PrinterSettings.PrinterName = "PrinterNameUsedOnServer"

  'setup rest of stuff....
End Sub  
End Class
'And we then call it like so
Dim printSpecialReport as new SpecialReportPrintJob()
printSpecialReport.Print()

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