How to marge to sp result in MVC???

Question

Hello,

 

i am margeing two sp data in mvc....below code

 

 In my controller below code.......

 

 

 

var rs1 = db.sp_storeprocedure1(235).ToList();
var rs2 = db.sp_storeprocedure2(235).ToList();

var data = rs1.Concat(rs2); 

 

but show the error.....

 

'System.Collections.Generic.List<ListBoxdemo.Models.sp_storeprocedure1>' does not contain a definition for 'Concat' and the best extension method overload 'System.Linq.Queryable.Concat<TSource>(System.Linq.IQueryable<TSource>, System.Collections.Generic.IEnumerable<TSource>)' has some invalid arguments C:\Users\Administrator\Desktop\listboxdemo\ListBoxdemo\ListBoxdemo\Controllers\TestController.cs

 

 

how to slows plz help me