PostNet

• Jan 19, 2021
• 2 minutes to read

PostNet was developed by the United States Postal Service (USPS) for faster mail sorting and routing. Unlike most other bar codes where data is encoded in the width of the bars and spaces, PostNet encodes data in the height of the bars. PostNet bars have the same width but different heights.

Refer to the following topic for more details: Postnet.

Add the Bar Code to a Report

1. Drag the XRBarCode item from the DX.20.2: Report Controls tab and drop it onto the report.

   

2. Set the XRBarCode control’s Symbology property to PostNet (an object of the PostNetGenerator type).

   

3. Specify common barcode properties.

Runtime Example

The following code creates the PostNet barcode and specifies its properties.

Note

The complete sample project is available in the following repository: https://github.com/DevExpress-Examples/Reporting_how-to-add-a-bar-code-to-a-report-e167.

Form1.cs

using System;
using System.Collections.Generic;
using System.Drawing.Printing;
using System.Windows.Forms;
using DevExpress.XtraPrinting.BarCode;
using DevExpress.XtraReports.UI;
// ...
public XRBarCode CreatePostNetBarCode(string BarCodeText) {
    // Create a bar code control.
    XRBarCode barCode = new XRBarCode();

    // Set the bar code's type to PostNet.
    barCode.Symbology = new PostNetGenerator();

    // Adjust the bar code's main properties.
    barCode.Text = BarCodeText;
    barCode.Width = 400;
    barCode.Height = 100;

    return barCode;
}

Form1.vb

Imports System
Imports System.Collections.Generic
Imports System.Drawing.Printing
Imports System.Windows.Forms
Imports DevExpress.XtraPrinting.BarCode
Imports DevExpress.XtraReports.UI
' ...
Public Function CreatePostNetBarCode(ByVal BarCodeText As String) As XRBarCode
    ' Create a bar code control.
    Dim barCode As New XRBarCode()

    ' Set the bar code's type to PostNet.
    barCode.Symbology = New PostNetGenerator()

    ' Adjust the bar code's main properties.
    barCode.Text = BarCodeText
    barCode.Width = 400
    barCode.Height = 100

    Return barCode
End Function

To add the XRBarCode to a report band, handle the report’s BeforePrint event.

C#

using System.Drawing.Printing;
// ...

private void XtraReport1_BeforePrint(object sender, PrintEventArgs e) {
    this.Detail.Controls.Add(CreatePostNetBarCode("012345678"));
}

VB.NET

Imports System.Drawing.Printing
' ...

Private Sub XtraReport1_BeforePrint(ByVal sender As Object, ByVal e As PrintEventArgs)
    Me.Detail.Controls.Add(CreatePostNetBarCode("012345678"))
End Sub