Temp Data is dictionary which is used to store data into the controller to access it into the view.

It stores data for a short period of time just like the session.

It is mainly used to store one time message.

 //Controller Code

public ActionResult Index()

{

    List<string> Student = new List<string>();

    Student.Add("Jignesh");

    Student.Add("Tejas");

    Student.Add("Rakesh");

 

    TempData["Student"] = Student;

    return View();

}

//page code

<ul>

    <% foreach (var student in TempData["Student"] as List<string>)

        { %>

    <li><%: student%></li>

    <% } %>

</ul>

Temp Data holds data between request and response.

With the help of Keep method we can store the value of temp data even after request completion.