Pass parameter from partialview(block) to view?

Alexander Helsinghof

Vote:

Hello and thank you!

I have this block where I authenticate with Facebook. What I want if something wrong occurs I want to pass a parameter from my partialview to a view.

atm I have code like this:

(in psuedo code)

Response.Redirect(signinpage, parameter(sorry something went wrong));

When I get redirected to my view I have the parameter with me. Problem is: How do I write this out on the view?

Let's say that the view is a standardpage.. Should I make a check that if the request contains "sorry" then write it out on the standardpage?

Please any ideas?

// Alexander

#80391

Jan 22, 2014 11:32

valdis

Vote:

One of the solution would be that in the block controller if something went wrong you add "flag" to the TempData collection object.

This is object that is specifically designed to survive Redirect operations. So in View or controller you can check whether particular key exists in TempData collection. If it does - you can show error message to the user. And as soon as you will read data from this TempData object - if will disappear from the collection.

#80435

Jan 22, 2014 22:25

Johan Björnfot

Vote:

One thing with TempData that can be good to know about is that by default it is backed by Session (which might not be used at site).

So in cases where you develop a module/addon (that is you cant control if session is used on site or not) you should be careful about using TempData. It is however possible to replace the System.Web.Mvc.ITempDataProvider either at a global level by registering implementation with System.Web.Mvc.IDependencyResolver or for a specific controller by overriding method CreateTempDataProvider() from ControllerBase

#80446

Jan 23, 2014 8:11

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Pass parameter from partialview(block) to view?