Question

I have actions in different controllers that need to check for a some condition before execution. If the condition is not met, I want the user be redirected to another page with instructions on what to do next (the instructions will include a link that the user must follow).

For example SendMessage() action is located in the Message controller:

public ActionResult SendMessage() {     // check if user has enough credit     if (!hasEnoughCredit(currentUser))     {         // redirect to another page that says:          // 'You do not have enough credit. Please go to LinkToAddCreditAction         // to add more credit.'     }      // do the send message stuff here  } 

I want to have a single generic action called ShowRequirements() located in Requirements controller.

In SendMessage() action, I would like to set the message that I want to show to the user and then forward the user to ShowRequirements() action. I just don’t want the message to appear in the URL of the ShowRequirements action.

Is there any way to communicate this data to ShowRequirements() action?

Answer 1

Okay, I think I was getting it wrong. As John and Andrew mentioned I simply have to pass the data via ViewData to a view.

So I made a RequirementsPage.aspx in the /views/Shared. Now in whichever action I am, I fill in the ViewData dictionary and pass it to the RequirementsPage.aspx like this:

public ActionResult SendMessage() {     // check if user has enough credit     if (!hasEnoughCredit(currentUser))     {         // redirect to another page that says:         ViewData['key1'] = 'some message';         ViewData['key2'] = 'UrlToTheAction';         return View('RequirementsPage');     }      // do the send message stuff here  }