Provide Credentials During HTML To PDF

In this tutorial, we will walk you through the process of converting an HTML file to PDF while providing credentials when accessing a secure URL using Aspose.PDF for .NET. By following the steps below, you will be able to convert HTML content to PDF using the appropriate credentials.

Prerequisites

Before you begin, make sure you meet the following prerequisites:

  • Basic knowledge of the C# programming language.
  • Aspose.PDF library for .NET installed on your system.
  • A development environment such as Visual Studio.

Step 1: Fetch secure HTML content

In this step, we’ll fetch secure HTML content from a URL using the appropriate credentials. Use the following code:

// Path to the documents directory.
string dataDir = "YOUR DOCUMENTS DIRECTORY";

// Create a request for the URL.
WebRequest request = WebRequest.Create("http://My.signchart.com/Report/PrintBook.asp?ProjectGuid=6FB9DBB0-");
// If needed for server, set credentials.
request.Credentials = CredentialCache.DefaultCredentials;
// Get the response.
HttpWebResponse response = (HttpWebResponse)request.GetResponse();

// Get the stream containing the content returned by the server.
Stream dataStream = response. GetResponseStream();
// Open the stream using a StreamReader for easy access.
StreamReader reader = new StreamReader(dataStream);
// Read the content.
string responseFromServer = reader.ReadToEnd();
reader. Close();
dataStream.Close();
response. Close();

Be sure to replace "YOUR DOCUMENTS DIRECTORY" with the actual directory where you want to save the resulting PDF file.

Step 2: Convert HTML to PDF by providing credentials

Now we will load the retrieved HTML content and convert it to PDF format while providing the appropriate credentials. Use the following code:

MemoryStream stream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(responseFromServer));

HtmlLoadOptions options = new HtmlLoadOptions("http://My.signchart.com/");
options.ExternalResourcesCredentials = CredentialCache.DefaultCredentials;

// Load the HTML file
Document pdfDocument = new Document(stream, options);

Step 3: Saving the resulting PDF file

Finally, we will save the resulting PDF file. Use the following code:

// Save the resulting PDF file
pdfDocument.Save(dataDir + "ProvideCredentialsDuringHTMLToPDF_out.pdf");

The code above saves the resulting PDF file with the filename "ProvideCredentialsDuringHTMLToPDF_out.pdf".

Example source code for Provide Credentials During HTML to PDF using Aspose.PDF for .NET

try
{
	
	// The path to the documents directory.
	string dataDir = "YOUR DOCUMENT DIRECTORY";

	// Create a request for the URL.
	WebRequest request = WebRequest.Create("http:// My.signchart.com/Report/PrintBook.asp?ProjectGuid=6FB9DBB0-");
	// If required by the server, set the credentials.
	request.Credentials = CredentialCache.DefaultCredentials;
	// Get the response.
	HttpWebResponse response = (HttpWebResponse)request.GetResponse();

	// Get the stream containing content returned by the server.
	Stream dataStream = response.GetResponseStream();
	// Open the stream using a StreamReader for easy access.
	StreamReader reader = new StreamReader(dataStream);
	// Read the content.
	string responseFromServer = reader.ReadToEnd();
	reader.Close();
	dataStream.Close();
	response.Close();

	MemoryStream stream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(responseFromServer));

	HtmlLoadOptions options = new HtmlLoadOptions("http:// My.signchart.com/");
	options.ExternalResourcesCredentials = CredentialCache.DefaultCredentials;

	// Load HTML file
	Document pdfDocument = new Document(stream, options);
	// Save resultant file
	pdfDocument.Save("ProvideCredentialsDuringHTMLToPDF_out.pdf");
	
}
catch (Exception ex)
{
	Console.WriteLine(ex.Message);
}

Conclusion

In this tutorial, we covered the step-by-step process of converting an HTML file to PDF while providing credentials when accessing a secure URL using Aspose.PDF for .NET. By following the instructions outlined above, you will be able to successfully convert HTML content to PDF while providing the correct credentials.

FAQ’s

Q: What is Aspose.PDF for .NET?

A: Aspose.PDF for .NET is a robust library that empowers developers to work with PDF documents in C# applications. It offers a wide range of functionalities, including HTML to PDF conversion.

Q: How can I fetch secure HTML content from a URL?

A: To fetch secure HTML content from a URL, you can use the WebRequest class in C#. Make sure to set the appropriate credentials using the Credentials property.

Q: What are the prerequisites for this tutorial?

A: Before proceeding with the tutorial, ensure that you have the following prerequisites:

  • Basic knowledge of the C# programming language.
  • Aspose.PDF library for .NET installed on your system.
  • A development environment such as Visual Studio.

Q: How does Aspose.PDF for .NET handle external resources while converting HTML to PDF?

A: Aspose.PDF for .NET provides the HtmlLoadOptions class to handle external resources during HTML to PDF conversion. You can set the external resource credentials using the ExternalResourcesCredentials property.

Q: Can I customize the filename for the resulting PDF file?

A: Yes, you can customize the filename for the resulting PDF file by modifying the code that saves the PDF document. Simply change the desired filename in the pdfDocument.Save() method.

Postscript To PDF Remove Hyperlinks After Converting From Html