How could use the data of one action method in another action method

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public ActionResult SenddOTP()
       {
           string numbers = "0123456789";
           Random objrandom = new Random();
           string strrandom = string.Empty;
           for (int i = 0; i < 5; i++)
           {
               int temp = objrandom.Next(0, numbers.Length);
               strrandom += temp;
           }
           ViewBag.otp = strrandom;

           return RedirectToAction("SendEmailtoUser");
           //  return View("SendOTP");
       }

       public JsonResult SendEmailtoUser()
       {

           bool result = false;
           var OTP = ViewBag.otp;
           result = SendEmail("user@gmail.com", "Hello", OTP);
           return Json(result, JsonRequestBehavior.AllowGet);
       }

What I have tried:

i have tried many things but nothing works

Posted 19-Aug-19 0:18am

Member 14552976

Updated 22-Aug-19 3:10am

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Maciej Los · Answer 1 · 2019-08-19T00:36:00

Solution 1

If i understand you correctly you want to pass data via RedirectToAction method. If yes, then...
Controller.RedirectToAction Method (System.Web.Mvc) | Microsoft Docs[^] has several overloads.

If you want to return result from other action, you can use something like this:

C#

return RedirectToAction( "Main", new RouteValueDictionary( 
    new { controller = controllerName, action = "Main", Id = Id } ) );

Posted 19-Aug-19 0:36am

Maciej Los

Comments

Member 14552976 19-Aug-19 6:49am

i want to use the result of SendOTP() method in SendEmailtoUser() method

Maciej Los 19-Aug-19 6:49am

So, change the code to your needs!

Member 14552976 19-Aug-19 7:28am

how.i am new mvc

Maciej Los 19-Aug-19 8:32am

And what you expect me to do?

Member 14552976 20-Aug-19 1:48am

help me out?

Maciej Los 20-Aug-19 2:17am

I already did it. All what you need to do is to change the code to your needs. Note: i do not see your screen and i can't read in your mind. I have no idea how do you want to invoke controller action. Please, read this:
c# - Redirect to action with JsonResult - Stack Overflow[^]
redirecttoaction - How to redirect to a controller action from a JSONResult method in ASP.NET MVC? - Stack Overflow[^]

Member 14552976 24-Aug-19 3:17am

thanks

Richard Deeming · Answer 2 · 2019-08-22T03:10:00

RedirectToAction returns a response to the client telling it to make a new request to the specified action.

The ViewBag contents are not persisted between requests. Anything you add to the ViewBag before returning a redirection response will not be available when the browser makes the new request.

There are a couple of options here:

1) Don't use RedirectToAction:

C#

public ActionResult SenddOTP()
{
    ...
    ViewBag.otp = strrandom;
    return SendEmailtoUser();
}

private JsonResult SendEmailtoUser()
{
    string OTP = ViewBag.otp;
    bool result = SendEmail("user@gmail.com", "Hello", OTP);
    return Json(result, JsonRequestBehavior.AllowGet);
}

Or:

C#

public ActionResult SenddOTP()
{
    ...
    return SendEmailtoUser(strrandom);
}

private JsonResult SendEmailtoUser(string OTP)
{
    bool result = SendEmail("user@gmail.com", "Hello", OTP);
    return Json(result, JsonRequestBehavior.AllowGet);
}

The browser will make a single HTTP request, and there will be no redirection involved.

2) Use the TempData storage:

C#

public ActionResult SenddOTP()
{
    ...
    TempData["otp"] = strrandom;
    return RedirectToAction(nameof(SendEmailtoUser));
}

public JsonResult SendEmailtoUser()
{
    string OTP = TempData["otp"] as string;
    bool result = SendEmail("user@gmail.com", "Hello", OTP);
    return Json(result, JsonRequestBehavior.AllowGet);
}

This will still use two HTTP requests.

NB: In this case, you would need to validate that the TempData value existed, since the user could navigate directly to the SendEmailToUser action without going via the SenddOTP action.

NB2: There's only one "d" in "Send". :)