How to dynamically get a generic C# object reference

Question

With many efforts in my side, i get the following code executing:

var instance = Activator.CreateInstance("Assemblyname", "TypeName").Unwrap();
//Code to fill instance using reflection
DbContext.Set(instance.GetType()).Add(instance);
DbContext.SaveChanges();

now i want to achieve something like following code:

var u = DbContext.Users;
var z = from y in u
where y.Email =="some email"
select y;

but i want get u Dynamically, i need something first piece of code to reference existent entity inside DbContext

Jakub Konecki · Accepted Answer · 2012-09-29 19:58:43Z

2

You are probably looking for

DbContext.Set(typeof(User))

http://msdn.microsoft.com/en-us/library/gg679544(v=vs.103).aspx

There is a generic version as well:

DbContext.Set<User>()

answered Sep 29, 2012 at 19:58

Jakub Konecki

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2 Comments

ahmad molaie Over a year ago

yes i need generic version, but my problem is that it must be reference dynamically, like first piece of code

ahmad molaie Over a year ago

the exact problem is that one time i need user, another time another type

Community · Accepted Answer · 2017-05-23 12:07:57Z

1

You can use ESQL
Or try the LINQ Dynamic Query Library

edited May 23, 2017 at 12:07

CommunityBot

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answered Sep 30, 2012 at 9:47

VahidN

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