Convert from HTML to PDF in CSharp VB and ASP.NET with a Free 3rd Party Library

Converting from html to pdf is not an easy task. There are some tools that can do that, but most of them cost thousands of dollars. SelectPdf offers a Community Edition (FREE) of the powerful Html To Pdf Converter for .NET that can be found in the full featured pdf library.

 
 
 
 
 
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5/10/2019
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C#
VB.NET
Imports System.Collections.Generic
Imports System.Linq
Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls
Imports SelectPdf

Namespace SelectPdf.Samples
    Partial Public Class http_headers
        Inherits System.Web.UI.Page

        Protected Sub Page_Load(sender As Object, e As EventArgs)
            If Not IsPostBack Then
                Dim url As String = Page.ResolveUrl("~/view-http-headers.aspx")
                TxtUrl.Text = (New Uri(Request.Url, url)).AbsoluteUri
                LnkTest.NavigateUrl = url
            End If
        End Sub

        Protected Sub BtnCreatePdf_Click(sender As Object, e As EventArgs)
            ' instantiate a html to pdf converter object
            Dim converter As New HtmlToPdf()

            ' set the HTTP headers
            converter.Options.HttpHeaders.Add(TxtName1.Text, TxtValue1.Text)
            converter.Options.HttpHeaders.Add(TxtName2.Text, TxtValue2.Text)
            converter.Options.HttpHeaders.Add(TxtName3.Text, TxtValue3.Text)
            converter.Options.HttpHeaders.Add(TxtName4.Text, TxtValue4.Text)

            ' create a new pdf document converting an url
            Dim doc As PdfDocument = converter.ConvertUrl(TxtUrl.Text)

            ' save pdf document
            doc.Save(Response, False, "Sample.pdf")

            ' close pdf document
            doc.Close()
        End Sub
    End Class
End Namespace