Ask about Building a web based C# compiler using ASP.NET and

Question

I saw this link http://www.c-sharpcorner.com/uploadfile/dommym/building-a-web-based-c-sharp-compiler-using-asp-net-and-tdd/. 

I think it has a useful for me to do my senior project. 

If i want to show display the output, Could you tell me what should i do ?