Question

I have a class where i am setting and getting a session. I am fairly new to C#
How can i retrieve a session from my class in another class?

Here is my session class.

public class JobApplicantSession
{

    public JobApplication ApplicationSession
    {

           get
       {
           JobApplication _application = (JobApplication)HttpContext.Current.Session["Application"];

           return _application;

        }
      set
        {
            HttpContext.Current.Session["Application"] = value;
         // Session["Application"] = value;
       }
    }

I am able to set the session. However, getting it i dont know how.
I made an object of the class and the object can access the function name ApplicationSession

JobApplicantSession sess = new JobApplicantSession();
sess.ApplicationSession

I know it probobly depends on what i need to do with it, but i just wanted to verify its setting and getting properly

Answer 1

The getter will throw an exception when there is nothing in session so you need to deal with this.

So you need to check if the session value exists

get
{
  if ( HttpContext.Current.Session["Application"] != null )
    return (JobApplication)HttpContext.Current.Session["Application"];
  return null;
}
set
{
   ...
}

You might not use the setter at all..

get
    {
      if ( HttpContext.Current.Session["Application"] == null )
          HttpContext.Current.Session["Application"] = new JobApplication();
      return (JobApplication)HttpContext.Current.Session["Application"];
    }

Or..

 get
        {
          if ( HttpContext.Current.Session["Application"] == null )
              HttpContext.Current.Session["Application"] = JobApplicationFactory.CreateApplication();
          return (JobApplication)HttpContext.Current.Session["Application"];
        }

Where JobApplicationFactory might be a class which creates a JobApplication object

EDIT
I realized I didn’t answer the question..

To call the getter from another class..

public class JobApplicant
{
   private JobApplication application;
   public void AddCurrentApplication()
   {
       var jas = new JobApplicationSession();
       application = jas.ApplicationSession;
   }
}