asp.net core API with POSTMAN works fine but with jquery ajax not work?

Question

what I want to do is using HttpContext.Session in the API

in the same WebApi Controller but different actions.

$.ajax({
url:baseAppUrl+"api/login",
type:"post",
data:{
action:"sms",
username:"",///mobile phone
},
success:function(ret,err){

}

it will give me a code and then use the code to login.

but after the ajax send the reqeust again I can not get the HttpContext.Session.

I am using .net core 3.1

if (action.Equals("sms"))
        {
            if (string.IsNullOrEmpty(username))
            {
                return Json(new { Ok = false, Message = "parameter is null" });
            }
            Random rnd = new Random();
            var verifyCode = rnd.Next(111111, 999999).ToString();
            HttpContext.Session.SetString("code", verifyCode);
            return Json(new { Ok = true, Message = verifyCode });
        }

and in the login action:

if (action.Equals("mobileLogin"))
        {
            if (string.IsNullOrEmpty(username) || string.IsNullOrEmpty(code))
            {
                return Json(new { Ok = false, Message = "paremeter is null" });
            }
            var userCode = HttpContext.Session.GetString("code"); //the userCode will be null.
            if (!string.IsNullOrEmpty(userCode))
            {
                ////.....
            }
}

but with the postman all is worked.

why?

Could you post here also the code of the controller action please? Which version of .NET Core are you using? — Martin Staufcik
– Martin Staufcik, Commented Mar 26, 2020 at 7:46

Martin Staufcik · Accepted Answer · 2020-03-26 10:57:23Z

0

In Startup.cs, make sure the following is added to ConfigureServices and Configure methods

public void ConfigureServices(IServiceCollection services)  
{
    ...  
    services.AddSession(options => {  
        options.IdleTimeout = TimeSpan.FromMinutes(20);//You can set Time   
    });
    ...  
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    ...
    app.UseSession();
    ...
}

Please, also check that the browser receives the session cookie. In Chrome:

click in the lock icon in URL bar
click Cookies
see if there is a cookie .AspNetCore.Session, as in the following picture

If the cookie is there, the problem is probably not in handling session data but somewhere else.

edited Mar 26, 2020 at 10:57

answered Mar 26, 2020 at 8:47

Martin Staufcik

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3 Comments

Angella Yu Over a year ago

It is working in developpment but not work in the iis.

Martin Staufcik Over a year ago

modified the answer

Martin Staufcik Over a year ago

Could you also please try run the app in a different browser and in the anonymous mode?

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