.net - Is there any difference between Request("key") and Request.Params("key")? -

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In the ASP.NET MVC3 application, I have a function that looks like: 
  public sub-doSomething (controller CTX as controller context) .... 'Which to use? And why? Dim val = controllerCtx.HttpContext.Request.Params.Item ("SomeKey") Modulate Val = Controller CTX.HttpContext.Request.Item ("SomeKey") .... End Sub   
 ( I know that the  item  is in both a  default  property and can be removed, which is not relevant in this question. )  
 The MSDN page is looking for it and I do not see any difference, both pages say that they get value: Cookies, Forms, Query String, or Server Denial Storage. (Although they list different commands.)  
 I have seen, but it seems that the answer focused more than  request on  query string  . Parameters.it  vs.  request. Item .  
 Why would I use one on another? Is there a difference between the two?   
 
 
 Both materials are strictly in relation to  
  •  cookies  
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  •  
  •   
  •  
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     As far as one is used, okay, in an asp.net mvc application It would be better to use:  
      controller CTx.Controller.ValueProvider.GetValue ("someKey");   
     Because this account takes well for routes and custom value providers (such as for example JasonWolverware). But of course everything will depend on your landscape and specific needs.   

     




  
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