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c# - Usage of Server Side Controls in MVC Frame work -

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i using asp.net 4.0 , mvc 2.0 web application. project requiremrnt have use server side control in application not possibl in noraml case. ideally want use adrotator control , datalist control. i saw few samples , references in codepleax mvc controllib howwver found less useful. can tell how utilize theese controls in asp.net application along mvc. note: please provide functionalities related adrotator , datalist controls not equivalent functionalities thanks in advace. mvc pages not use normal .net solution makes use of normal .net components impossible. a normal .net page use event driven solution call different methods service side mvc use actions , view completly different way handle things. also, mvc not use viewstate normal .net controlls require. found article discussing mixing of normal .net , mvc.
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ASP.NET MVC 2 How to check the user's permissions before action is executed? -

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i have controller, , invoke actions user has have privilages that. question how check before action executed? if user doesn't have permissions want render view error message. tried use overriden onactionexecuting method, can't return view method

i tried use overriden onactionexecuting method, can't return view method

as matter of fact can:

public override void onactionexecuting(actionexecutingcontext filtercontext) {     bool userhaspermissions = checkuserpermissionsfromsomewhere(filtercontext);     if (!userhaspermissions)     {         filtercontext.result = new viewresult         {             // can specify master page , view model             viewname = "forbidden"         };     }     else     {         base.onactionexecuting(filtercontext);     } }

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