Display A Document From SQL Server To A Web Page In ASP.NET MVC

Display A Document From SQL Server To A Web Page In ASP.NET MVC

In this blog, you will learn how to display a document from SQL Server to a Web Page in ASP.NET MVC.


In this blog post, I'll discuss a useful yet easy to implement document viewer API. Using that you can display a source file (e.g. Word, Presentation, Diagram, PSD) from your server to your browser without downloading it.

Some Use-Cases

  • Display a Word resume to a user in a web browser
  • Render a Visio Diagram on the web page
  • View a Presentation or a Slide online without downloading it

*Implementation *

Now as the use-cases are clear, we will dive into the API implementation. It'll be an ASP.NET MVC application. We'll pull data/documents from the database and save it to a stream. _You have to specify the file format in order to render it correctly. _The source document will be then rendered to HTML. Eventually, our controller will return this stream to the View/browser.  

public ActionResult Index()  
   License lic = new License();  
   lic.SetLicense(@"D:/GD Licenses/Conholdate.Total.NET.lic");  
   MemoryStream outputStream = new MemoryStream();  
   //specify just the file name if you are pulling the data from database  
   string fileName = "sample.pdf";  

   FileType fileType = FileType.FromExtension(Path.GetExtension(fileName));  

     using (Viewer viewer = new Viewer(() => GetSourceFileStream(fileName), () => new LoadOptions(fileType)))  
      HtmlViewOptions Options = HtmlViewOptions.ForEmbeddedResources(  
        (pageNumber) => outputStream,  
        (pageNumber, pageStream) => { });  
   outputStream.Position = 0;  
    return File(outputStream, "text/html");  

private Stream GetSourceFileStream(string fileName) =>  
            new MemoryStream(GetSourceFileBytesFromDb(fileName));  

//TODO: If you want to pull the data from the DB  
private byte[] GetSourceFileBytesFromDb(string fileName) =>  

Have a look at this image/screenshot. We displayed a PDF from Server to Browser.


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