Generate pdf from asp

We will see how this will change once we try to show our PDF document inside a browser. So, we can configure the visibility of the page counter, formatting of headers and footers, the body content of our document HtmlContent property or the web settings for our document. The HtmlContent property is the very important property of this class. WebSettings is pretty important as well, especially if we have an external CSS file for the styling as we do. In this property, we can configure the encoding of our document and provide the path to our CSS file.

If we inspect this property, we are going to find out more settings that we can configure like the background of a PDF document or if we should load images or what the minimum font size is, etc…. First, we need to remove the Out property from the globalSettings object. Convert pdf ;. Well as we said if we use the Out property then the file is sent to stdout and saved to our local machine. But without the Out property, our output will be stored in a buffer.

While converting we need to create a byte array and store it inside the file variable. Finally, we are using that file variable and return it to the requester with a content type. The effort is minimal. All we have to do is to remove the HtmlContent property and add the Page property of the ObjectSettings class. If we want to enable the download feature for the PDF document we need to modify our return statement in our action method. All we have to do is simply add the name of the file with its extension to the return statement:.

If we want to deploy this application, we have to make some changes. First, in the Utility folder we are going to add a new class CustomAssemblyLoadContext and modify it:. LoadUnmanagedLibrary Path. GetCurrentDirectory , "libwkhtmltox.

In here, we are creating an instance of the CustomAssemblyLoadContext class and just call the LoadUnmanagedLibrary method with the path of the libwkhtmltox. Pdf ; using Syncfusion. Graphics ; using Syncfusion. Drawing ; using System. DrawString "Hello World!!! Open , FileAccess. Add row1 ; data. Add row2 ; data. Add row3 ; data. Add row4 ; data. Draw page , new Syncfusion. Landscape ; document. Graphics ;. DrawImage image , bounds ;.

ToString , subHeadingFont ; element. Draw page , new PointF 10 , bounds. Width - textSize. Width - 10 , result. DrawString currentDate , subHeadingFont , element. Draw page , new PointF 10 , result. Width , result.

DrawLine linePen , startPoint , endPoint ;. White ; headerStyle. TimesRoman , 14f , PdfFontStyle. This means that a bundled version of wkhtmltopdf would make it harder to keep up with new versions of wkhtmltopdf. To include wkhtmltopdf in your project, you need to decide how you want to include it.

People built NuGet packages like wkhtmltopdf. In my experience, using one of these packages can be a problem since they typically include the version of wkhtmltopdf that the creator needed and haven't been updated since that. For this post, I'll include the executable directly in the source code.

Having binary files in Git isn't ideal, but I'm sure you will find a solution that fits your temper. The Wkhtmltopdf. NetCore package expects a Windows folder inside the folder you specified in the setup. To make sure that the file is copied to the out directory, right-click it in Visual Studio and select Copy if newer:. We are ready to generate the PDF file. The IGeneratePdf was automatically set up when we called the AddWkhtmltopdf method in the previous step.

In your case you will need to design the page for the PDF, but this simple example show how to generate some HTML with a model as input for wkhtmltopdf. Be aware that Wkhtmltopdf.

NetCore doesn't seem to support Layouts and partial views.