Barcode generation and then print on label in c#.net

Dear Friend,It is very easy to generate barcode with the help of c# programming language.

In order to generate the barcode or Qrcode you have to do some steps:-

Step1:- First you will have to create the prn file Zebra Designer or bartender with the help of barcode printer

Step2:- Write the code to replace the dynamic Value

Step3:- Use Rowdataprinter .dll file to send command from computer to barcode printer.

Thanks:

If you need more help please command on the post i will explain you with the help of source code. We use this approach in industries

example:

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);

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();

}

return bSuccess;

}

public static bool SendFileToPrinter(string szPrinterName, string szFileName)

{

// Open the file.

FileStream fs = new FileStream(szFileName, FileMode.Create);

// Create a BinaryReader on the file.

BinaryReader br = new BinaryReader(fs);

// Dim an array of bytes big enough to hold the file's contents.

Byte[] bytes = new Byte[fs.Length];

bool bSuccess = false;

// Your unmanaged pointer.

IntPtr pUnmanagedBytes = new IntPtr(0);

int nLength;

nLength = Convert.ToInt32(fs.Length);

// Read the contents of the file into the array.

bytes = br.ReadBytes(nLength);

// Allocate some unmanaged memory for those bytes.

pUnmanagedBytes = Marshal.AllocCoTaskMem(nLength);

// Copy the managed byte array into the unmanaged array.

Marshal.Copy(bytes, 0, pUnmanagedBytes, nLength);

// Send the unmanaged bytes to the printer.

bSuccess = SendBytesToPrinter(szPrinterName, pUnmanagedBytes, nLength);

// Free the unmanaged memory that you allocated earlier.

Marshal.FreeCoTaskMem(pUnmanagedBytes);

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;

}

public void printbarcode()

{

String FirstHumanReadable = txtFirstBarcodeReadable.Text;

string GTIN14 = txtGTIN14.Text;

string ExpiryDate = txtExpiryDate.Text;

string BatchNo = cmbBatchId.Text;

//string FirstBarcode = txtFirstBarcode.Text;

string FirstBarcode = "01"+txtGTIN14.Text + "17" + txtExpiryDate.Text + "10>6" + cmbBatchId.Text + "21" + txtSerialNo.Text;

int a = Convert.ToInt32(txtIntermediatePackSize.Text);

int b = SecondaryPackSize;

int Qty = a * b;

StreamReader FSOP;

string FileTextLine;

string TempFileTextLine;

if (File.Exists((Application.StartupPath + "\\Intermediate.txt"))) //prn file name

{

FSOP = new StreamReader((Application.StartupPath + "\\Intermediate.txt"));

FileTextLine = FSOP.ReadToEnd();

FSOP.Close();

}

else

{

MessageBox.Show("Pcl Command Not Found");

return;

}

TempFileTextLine = FileTextLine;

TempFileTextLine = TempFileTextLine.Replace("#Value1#", ("" + (Barcode+ "")));

TempFileTextLine = TempFileTextLine.Replace("#Value2#", ("" + (BarcodeNo + "")));

TempFileTextLine = TempFileTextLine.Replace("#Value3#", ("" + (ExpiryDate + "")));

TempFileTextLine = TempFileTextLine.Replace("#Value4#", ("" + (BatchNo + "")));

RawPrinterHelper.SendStringToPrinter("ZDesigner ZT230-300dpi ZPL", TempFileTextLine); // Printer Name

MessageBox.Show("Barcode get Printed !");

}

designing page

11 Replies

Know the answer? Post it — somebody with the same question will find it here.

JAVED ALI6y ago
Dear Friend,It is very easy to generate barcode with the help of c# programming language.
In order to generate the barcode or Qrcode you have to do some steps:-
Step1:- First you will have to create the prn file Zebra Designer or bartender with the help of barcode printer
Step2:- Write the code to replace the dynamic Value
Step3:- Use Rowdataprinter .dll file to send command from computer to barcode printer.

Thanks:
If you need more help please command on the post i will explain you with the help of source code. We use this approach in industries

example:
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);
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();
}
return bSuccess;
}
public static bool SendFileToPrinter(string szPrinterName, string szFileName)
{
// Open the file.
FileStream fs = new FileStream(szFileName, FileMode.Create);
// Create a BinaryReader on the file.
BinaryReader br = new BinaryReader(fs);
// Dim an array of bytes big enough to hold the file's contents.
Byte[] bytes = new Byte[fs.Length];
bool bSuccess = false;
// Your unmanaged pointer.
IntPtr pUnmanagedBytes = new IntPtr(0);
int nLength;
nLength = Convert.ToInt32(fs.Length);
// Read the contents of the file into the array.
bytes = br.ReadBytes(nLength);
// Allocate some unmanaged memory for those bytes.
pUnmanagedBytes = Marshal.AllocCoTaskMem(nLength);
// Copy the managed byte array into the unmanaged array.
Marshal.Copy(bytes, 0, pUnmanagedBytes, nLength);
// Send the unmanaged bytes to the printer.
bSuccess = SendBytesToPrinter(szPrinterName, pUnmanagedBytes, nLength);
// Free the unmanaged memory that you allocated earlier.
Marshal.FreeCoTaskMem(pUnmanagedBytes);
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;
}
}

public void printbarcode()
{
String FirstHumanReadable = txtFirstBarcodeReadable.Text;
string GTIN14 = txtGTIN14.Text;
string ExpiryDate = txtExpiryDate.Text;
string BatchNo = cmbBatchId.Text;
//string FirstBarcode = txtFirstBarcode.Text;
string FirstBarcode = "01"+txtGTIN14.Text + "17" + txtExpiryDate.Text + "10>6" + cmbBatchId.Text + "21" + txtSerialNo.Text;
int a = Convert.ToInt32(txtIntermediatePackSize.Text);
int b = SecondaryPackSize;
int Qty = a * b;
StreamReader FSOP;
string FileTextLine;
string TempFileTextLine;
if (File.Exists((Application.StartupPath + "\\Intermediate.txt"))) //prn file name
{
FSOP = new StreamReader((Application.StartupPath + "\\Intermediate.txt"));
FileTextLine = FSOP.ReadToEnd();
FSOP.Close();
}
else
{
MessageBox.Show("Pcl Command Not Found");
return;
}
TempFileTextLine = FileTextLine;
TempFileTextLine = TempFileTextLine.Replace("#Value1#", ("" + (Barcode+ "")));
TempFileTextLine = TempFileTextLine.Replace("#Value2#", ("" + (BarcodeNo + "")));
TempFileTextLine = TempFileTextLine.Replace("#Value3#", ("" + (ExpiryDate + "")));
TempFileTextLine = TempFileTextLine.Replace("#Value4#", ("" + (BatchNo + "")));
RawPrinterHelper.SendStringToPrinter("ZDesigner ZT230-300dpi ZPL", TempFileTextLine); // Printer Name
MessageBox.Show("Barcode get Printed !");
}

designing page
+1
Manoj Bhoir7y ago
Hi Pravin,

Check this library. May be this will help you.

https://github.com/wheelibin/SharpPDFLabel#readme
+1
Mahesh kumawat7y ago
Hello Shreesh Raj,
i need more information regarding this topic.
i want to print some barcode with fix size barcode with asp.net application (Web pages).
Please guide for a corporate level application.

Thanks in advance.
+1
Kitu Roshania7y ago
Hello
I want to print gujarati on barcode label can anypne help me
+1
Pravin Ghadge9y ago
Hi Shreesh Raj,

Can you please explain your approach with the source code.

It will be great help for me.
+1
Shreesh Raj10y ago
Dear Friend,It is very easy to generate barcode with the help of c# programming language.
In order to generate the barcode you have to do some steps:-
Step1:- First you will have to create the prn file with the help of barcode printer
Step2:- Write the code to replace the dynamic content.
Step3:- Use Rowdataprinter .dll file to send command from computer to barcode printer.

Thanks:
If you need more help please command on the post i will explain you with the help of source code. We use this approach in industries
+2
Sarah White12y ago
As for how to print barcode in c#.net on labels, i've ever tried a barcode tool from pqScan. And you can read barcode in c#.net
0
Nicholas Borrett13y ago
You mentioned 3 things in your question, which are generating the barcode, printing on labels, and scanning the barcodes. There is a .NET SDK named leadtools that can help you generate barcodes as images and print them on a Windows printer, and it also has barcode reading features.
For more information, see the following article:
http://www.codeproject.com/Articles/690035/Choosing-the-Right-Barcode-for-your-Application
0
makaveil jojo13y ago
Hi Pravin,
To generate barcode, a barcode font can simply do the job for you. As for printing barcode, I'm having a QR code lable printing APP for myself, which is easy-to-use and WYSIWYG. You can google lable printing APP according to what type of barcode you are going to generate. Hope this helps.
Best,
Makaveil
+2
Pravin Ghadge13y ago
Hi Sanjay,

Thanx for your reply.

But i want label printing
+2
Sanjay Kumar13y ago
HI

try this

http://www.codeproject.com/Articles/3888/C-Barcode-Generator-WebService

http://www.codeproject.com/Articles/42852/Reading-Barcodes-from-an-Image-III

http://www.keepdynamic.com/barcoding/csharp-barcode-generator.shtml

http://code.msdn.microsoft.com/windowsapps/Barcode-scanner-sample-f39aa411
+3