Session variable in ASP.NET MVC

Question

I need to create something like a session variable in .net MVC. I'm using ViewData. First I set it in my Controller Index:

public ActionResult Index(int id)
    {
        ViewData["myID"] = id;
    }

Then, I'll need to use it in another function of the same controller. However, I have to send it to my view. Store the data into a . Then read it again. View:

<input type="hidden" id="myID" name="myID" value='@ViewData["myID"]'  />

Other function of the controller where I get the id:

[HttpPost, ValidateInput(false)]
    public ActionResult Test(FormCollection form)
    {
        var pId = form["myID"];
    }

It works, but looks wrong (I'm new in .net mvc). Is there a way where I can set this id one time in my controller and then read/get it when I need?

Thanks

Why not just use Session? It works just find in MVC. Otherwise, what you're doing is just fine - use ViewData to send the data to the view, and a form control to send it back to the controller. — D Stanley
– D Stanley, Commented Dec 6, 2017 at 22:51

ali zarei · Accepted Answer · 2017-12-06 23:20:21Z

12

try this

for set

System.Web.HttpContext.Current.Session["Id"] = 1;

for get

var id=Convert.ToInt32(System.Web.HttpContext.Current.Session["Id"]);

answered Dec 6, 2017 at 23:20

ali zarei

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2 Comments

user6824563 Over a year ago

Perfect. Thanks! Just a question... Does this session expire after a period of time?

ali zarei Over a year ago

yes it expiered after period . see this links How to set session timeout in web.config

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