ByteScout Barcode Reader SDK – ASP.NET – General Example (VB.NET)

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ByteScout Barcode Reader SDK – ASP.NET – General Example (VB.NET)

Default.aspx.vb

Imports Bytescout.BarCodeReader

Partial Public Class _Default
    Inherits Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
        Image1.ImageUrl = "BarcodePhoto.jpg"

        Dim reader As New Reader()

        ' Limit search to 1D barcodes only (exclude 2D barcodes to speed up the search).
		' Change to reader.BarcodeTypesToFind.SetAll() to scan for all supported 1D and 2D barcodes 
		' or select specific type, e.g. reader.BarcodeTypesToFind.PDF417 = True
		reader.BarcodeTypesToFind.SetAll1D()

        'reader.MediumTrustLevelCompatible = true ' uncomment this line to enable Medium Trust compatible mode (slows down the recognition process as direct image data access is disabled in Medium Trust mode)

        reader.ReadFromFile(Server.MapPath("BarcodePhoto.jpg"))

        For Each barcode As FoundBarcode In reader.FoundBarcodes
            ListBox1.Items.Add([String].Format("{0} : {1}", barcode.Type, barcode.Value))
        Next

    End Sub

End Class

Web.config

<?xml version="1.0"?>

<configuration>
  
    <appSettings/>
    <connectionStrings/>
  
    <system.web>
        <!-- 
            Set compilation debug="true" to insert debugging 
            symbols into the compiled page. Because this 
            affects performance, set this value to true only 
            during development.

            Visual Basic options:
            Set strict="true" to disallow all data type conversions 
            where data loss can occur. 
            Set explicit="true" to force declaration of all variables.
        -->
        <compilation debug="true" strict="false" explicit="true" />
        <pages>
            <namespaces>
                <clear />
                <add namespace="System" />
                <add namespace="System.Collections" />
                <add namespace="System.Collections.Specialized" />
                <add namespace="System.Configuration" />
                <add namespace="System.Text" />
                <add namespace="System.Text.RegularExpressions" />
                <add namespace="System.Web" />
                <add namespace="System.Web.Caching" />
                <add namespace="System.Web.SessionState" />
                <add namespace="System.Web.Security" />
                <add namespace="System.Web.Profile" />
                <add namespace="System.Web.UI" />
                <add namespace="System.Web.UI.WebControls" />
                <add namespace="System.Web.UI.WebControls.WebParts" />
                <add namespace="System.Web.UI.HtmlControls" />
            </namespaces>
        </pages>
        <!--
            The <authentication> section enables configuration 
            of the security authentication mode used by 
            ASP.NET to identify an incoming user. 
        -->
        <authentication mode="Windows" />
        <!--
            The <customErrors> section enables configuration 
            of what to do if/when an unhandled error occurs 
            during the execution of a request. Specifically, 
            it enables developers to configure html error pages 
            to be displayed in place of a error stack trace.

        <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm">
            <error statusCode="403" redirect="NoAccess.htm" />
            <error statusCode="404" redirect="FileNotFound.htm" />
        </customErrors>
        -->
    </system.web>
</configuration>


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