List Printers connected to the network in ASP.Net with c#

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C#3.0

C#

ASP.NET

printing

Hi,

My requirement is when i click on default crystal report print button, it will open printoptions window, when i select the Ok button, on button click event i want to insert data into the database(Call method). I have tried so many way but i did't get and then i have changed desgin like i have taken one dropdownlist to bind network printers and then when click on button it will insert data into the db and print starts.

myReportDocument.PrintToPrinter(1, false, 1, 1);

But in local host it is working fine when i moved this to the server i am not able to get printers list. To get printer i have used following code.

First Method:

var queues = server.GetPrintQueues(new[] { EnumeratedPrintQueueTypes.Local,EnumeratedPrintQueueTypes.Shared,
     EnumeratedPrintQueueTypes.Connections});
            foreach (var printer in queues)
            {
                DdlPrinters.Items.Add(printer.Name);

            }

Second Method:

foreach (var print in System.Drawing.Printing.PrinterSettings.InstalledPrinters)
           {
               DdlPrinters.Items.Add(print);
           }

Third Method:

System.Management.ObjectQuery oq = new System.Management.ObjectQuery
("SELECT * FROM Win32_PrintJob");
ManagementObjectSearcher query1 = new ManagementObjectSearcher(oq);
ManagementObjectCollection queryCollection1 = query1.Get();
foreach( ManagementObject mo in queryCollection1 )
{
}

Please suggest me how can i get network printers. Thanks in advance...