Open pdf,wordpad in browser window with dynamic data

Controller

[HttpPost]

public JsonResult GeneratePreview(GenerateDemo Demo)

{

string empCode = "", empName = "", email = "", subject = "", body, signature = "";

var formatbody = "";

foreach (var selectedEmpId in GenerateDemo.selectedIds)

{

var empDetails = (from emp in db.demo

where emp.inEmpId == selectedEmpId

select emp).FirstOrDefault();

empCode = empDetails.inEmpCode;

empName = empDetails.vcEmpName;

email = empDetails.vcEmpEmailID;

subject = GenerateDemo.subject;

body = GenerateDemo.body;

signature = GenerateDemo.signature;

formatbody = Constants.createEmailBody(empName, subject, body, signature);<-------- I got all data with Html Format i attach html file

}

return Json(formatbody, JsonRequestBehavior.AllowGet);

}

Html File

Hello {UserName}, Subject:-{Subject} {message} Thanks Siganture {Siganture}