ASP. net mvc 3 until I have an arrow in my knees [3] Controller and view

1. Create an ASP. Net MVC 3 project --> select razor view Engine

2 .~ /Models/Add the class studentmodels --> regenerate the solution

3.~ /Controllers/Add ControllerStudentcontroller -->Add index View

4. Set the global URL routing default value in the global. asax File

 1 Routes. ignoreroute ( "  {Resource}. axd/{* pathinfo}  " ); //  Directly access the. axd file in URL mode of the route to be ignored  2   Routes. maproute (  3                   " Default  " , //  Route name  4                   "  {Controller}/{action}/{ID}  " , //  URL with Parameters  5                   New {Controller = "  Student  " , Action = " Index  " , Id = urlparameter. optional} //  Default Value  6 );

5. The object reference is not set to the instance of the object.

 1           Public  Actionresult index ()  2   {  3               Return  View (getdata ());  4   } 5   6           ///   <Summary>  7           ///  Initialization  8           ///   </Summary>  9           ///   <Returns> </returns>  10 Ienumerable <studentmodels> Getdata ()  11  {  12 Ienumerable <studentmodels> List = New List <studentmodels> 13   {  14                                  New Studentmodels () {id = 1001 , Name = "  Zhang San  " , Age = 20  },  15                                 New Studentmodels () {id = 1002 , Name = "  Li Si  " , Age = 21  },  16                                  New Studentmodels () {id = 1003 , Name = "  Wang Wu  " , Age = 22  } 17   };  18               Return  List;  19 }

6. Details --> Add the Details View

 1           Public Actionresult details ( Int  ID)  2   {  3               Foreach ( VaR StudentIn  Getdata ())  4   {  5                   If  (Student. Id. Equals (ID ))  6   {  7                       Return  View (student );  8   }  9   } 10               Return  View ();  11 }

7. Create --> Add create View

 1           Public  Actionresult create ()  2   {  3               Return  View ();  4   }  5   [Httppost] 6           Public  Actionresult create (formcollection collection)  7   {  8               Try  9   {  10                   Return Redirecttoaction ( "  Index  "  );  11  }  12               Catch  13   {  14                   Return  View ();  15   }  16 }

8. Update --> Add edit View

 1           Public Actionresult edit ( Int  ID) 2   {  3               Return  View ();  4   }  5   [Httppost]  6           Public Actionresult edit ( Int  ID, formcollection collection)  7   {  8              Try  9   {  10                   Return Redirecttoaction ( "  Index  "  );  11   }  12               Catch  13   {  14                   Return View ();  15   }  16 }

9. Delete --> Add Delete View

 1           Public Actionresult Delete ( Int  ID)  2   {  3               Foreach ( VaR Student In  Getdata ()) 4   {  5                   If  (Student. Id. Equals (ID ))  6   {  7                       Return  View (student );  8   }  9   }  10               Return View ();  11   }  12   [Httppost]  13           Public Actionresult Delete ( Int  ID, formcollection collection)  14   {  15               Try  16   {  17                  //  Todo: Add Delete logic here  18    19                   Return Redirecttoaction ( "  Index  "  );  20   }  21               Catch  22   {  23                   Return View ();  24   }  25 }

10. Start execution (not debugging)