Printing Zebra lable using asp.net
Ones create any lable in Zebra Designer Pro and click on Print and slect Print to file that will generate text file , dyanmically need to change printing code
Code:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes;
/// <summary>
/// Summary description for Class1
/// </summary>
namespace Dewayne.Utils
{
public class RawPrinterHelper
{
// Structure and API declarions:
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
public class DOCINFOA
{
[MarshalAs(UnmanagedType.LPStr)]
public string pDocName;
[MarshalAs(UnmanagedType.LPStr)]
public string pOutputFile;
[MarshalAs(UnmanagedType.LPStr)]
public string pDataType;
}
[DllImport("winspool.Drv", EntryPoint = "OpenPrinterA", SetLastError = true, CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern bool OpenPrinter([MarshalAs(UnmanagedType.LPStr)] string szPrinter, out IntPtr hPrinter, IntPtr pd);
[DllImport("winspool.Drv", EntryPoint = "ClosePrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern bool ClosePrinter(IntPtr hPrinter);
[DllImport("winspool.Drv", EntryPoint = "StartDocPrinterA", SetLastError = true, CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern bool StartDocPrinter(IntPtr hPrinter, Int32 level, [In, MarshalAs(UnmanagedType.LPStruct)] DOCINFOA di);
[DllImport("winspool.Drv", EntryPoint = "EndDocPrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern bool EndDocPrinter(IntPtr hPrinter);
[DllImport("winspool.Drv", EntryPoint = "StartPagePrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern bool StartPagePrinter(IntPtr hPrinter);
[DllImport("winspool.Drv", EntryPoint = "EndPagePrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern bool EndPagePrinter(IntPtr hPrinter);
[DllImport("winspool.Drv", EntryPoint = "WritePrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern bool WritePrinter(IntPtr hPrinter, IntPtr pBytes, Int32 dwCount, out Int32 dwWritten);
// SendBytesToPrinter()
// When the function is given a printer name and an unmanaged array
// of bytes, the function sends those bytes to the print queue.
// Returns true on success, false on failure.
public static bool SendBytesToPrinter(string szPrinterName, IntPtr pBytes, Int32 dwCount)
{
Int32 dwError = 0, dwWritten = 0;
IntPtr hPrinter = new IntPtr(0);
DOCINFOA di = new DOCINFOA();
bool bSuccess = false; // Assume failure unless you specifically succeed.
di.pDocName = "My C#.NET RAW Document";
di.pDataType = "RAW";
// Open the printer.
if (OpenPrinter(szPrinterName.Normalize(), out hPrinter, IntPtr.Zero))
{
// Start a document.
if (StartDocPrinter(hPrinter, 1, di))
{
// Start a page.
if (StartPagePrinter(hPrinter))
{
// Write your bytes.
bSuccess = WritePrinter(hPrinter, pBytes, dwCount, out dwWritten);
EndPagePrinter(hPrinter);
}
EndDocPrinter(hPrinter);
}
ClosePrinter(hPrinter);
}
// If you did not succeed, GetLastError may give more information
// about why not.
if (bSuccess == false)
{
dwError = Marshal.GetLastWin32Error();
throw new Exception(Marshal.GetLastWin32Error().ToString());
//throw new Exception(dwError.ToString());
}
return bSuccess;
}
public static bool SendStringToPrinter(string szPrinterName, string szString)
{
IntPtr pBytes;
Int32 dwCount;
// How many characters are in the string?
dwCount = szString.Length;
// Assume that the printer is expecting ANSI text, and then convert
// the string to ANSI text.
pBytes = Marshal.StringToCoTaskMemAnsi(szString);
// Send the converted ANSI string to the printer.
SendBytesToPrinter(szPrinterName, pBytes, dwCount);
Marshal.FreeCoTaskMem(pBytes);
return true;
}
}
}
Calling From PAge:
String FILENAME = Server.MapPath("..//CustomCustomerFormats//" + lblCustName.Text + ".txt");
//Get a StreamReader class that can be used to read the file
StreamReader objStreamReader;
objStreamReader = File.OpenText(FILENAME);
string strPrintText = objStreamReader.ReadToEnd();
strPrintText = strPrintText.Replacestrpartrefnumber);
strPrintText = strPrintText.Replacestrarr[0].Trim().ToUpper());
strPrintText = strPrintText.Replace("@ShippingAddress1", strarr[1].Trim().ToUpper());
strPrintText = strPrintText.Replace("@ShippingAddress2", strarr[2].Trim().ToUpper());
strPrintText = strPrintText.Replace("@ShippingCity", strarr[3].Trim().ToUpper());
strPrintText = strPrintText.Replace("@ShippingState", strarr[4].Trim().ToUpper());
strPrintText = strPrintText.Replace("@ShippingZip", strarr[5].Replace("US", ""));
strPrintText = strPrintText.Replace("@JobId", jobid.Text);
strPrintText = strPrintText.Replace("@PONumber", strPOnumber);
strPrintText = strPrintText.Replace("@Qty", strinnerPrintQuantity[kcount]);
strPrintText = strPrintText.Replace("@ShippingDate", strDate.ToString());
strPrintText = strPrintText.Replace("@PartDesc", strpartname);
strPrintText = strPrintText.Replace("@SerialNumber", innerSNum);
strPrintText = strPrintText.Replace("@LotNumber", LotNumber);
DirectPrintProcess(strPrintText.ToString());
objStreamReader.Close();
RawPrinterHelper.SendStringToPrinter(PrinterName, pPrintCmd);
