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ASP.NET 4.0 and the Entity Framework 4 - Part 2: Perform CRUD Operations Using the Entity Framework 4
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by Vince Varallo
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Average Rating: 
Views (Total / Last 10 Days):
45814/
65
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| Summary |
So there you have it, you can now create, read, update and
delete records using the Entity Framework 4 and you don't need to write a
single SQL statement.
In the next article I'll show you how to perform the CRUD
operations using stored procedures rather than rely on the Entity Framework to
generate the SQL needed to perform the operations. Good luck on your
project and happy coding.
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User Comments
Title:
oussama
Name:
skksll
Date:
2012-11-26 9:58:51 AM
Comment:
great
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Title:
Very Good Article
Name:
cafeasp
Date:
2012-06-25 11:07:38 AM
Comment:
I just try the 'Update' code and it works perfect!
Thanks for sharing this info.
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Title:
Help there are erros in executing the sql file
Name:
Silver
Date:
2012-01-27 12:42:52 AM
Comment:
Msg 911, Level 16, State 1, Line 1
Database 'OrderSystem' does not exist. Make sure that the name is entered correctly.
Msg 262, Level 14, State 1, Line 17
CREATE TABLE permission denied in database 'master'.
Msg 262, Level 14, State 1, Line 3
CREATE TABLE permission denied in database 'master'.
Msg 4902, Level 16, State 1, Line 7
Cannot find the object "dbo.UserAccounts" because it does not exist or you do not have permissions.
Msg 4902, Level 16, State 1, Line 3
Cannot find the object "dbo.Addresses" because it does not exist or you do not have permissions.
Msg 4902, Level 16, State 1, Line 7
Cannot find the object "dbo.Addresses" because it does not exist or you do not have permissions.
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Title:
images
Name:
k k h
Date:
2011-12-09 2:25:39 PM
Comment:
Images are broken.
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Title:
CRUD operation
Name:
Suvashis
Date:
2011-04-07 6:45:55 AM
Comment:
Lots of thanks for the EF 4.0 CRUD Operation understanding
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Title:
You are the man
Name:
LukTar
Date:
2011-02-07 5:19:08 PM
Comment:
Big respect for YOU. Great article which helped me a lot.
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Title:
Great Work
Name:
Mayank
Date:
2010-10-29 4:26:15 AM
Comment:
It very helpful article to understand the initial CRUD operations using Entity Framework 4
Thanks a lot
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Title:
trusted
Name:
david zing
Date:
2010-07-05 7:35:59 PM
Comment:
ent:
I can´t use the lines the code below to update the entity:
db.UserAccounts.Attach(userAccount);
db.ObjectStateManager.ChangeObjectState(userAccount, System.Data.EntityState.Modified);
on the first line I get the message: Attach is not a member of System.Data.Objects.ObjectQuery(Of...)
What´s wrong ?
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Title:
Mr
Name:
David Zing
Date:
2010-06-09 6:52:52 AM
Comment:
I can´t use the lines the code below to update the entity:
db.UserAccounts.Attach(userAccount);
db.ObjectStateManager.ChangeObjectState(userAccount, System.Data.EntityState.Modified);
on the first line I get the message: Attach is not a member of System.Data.Objects.ObjectQuery(Of...)
What´s wrong ?
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Title:
N-Tier?
Name:
V. Jenks
Date:
2010-05-10 10:43:30 AM
Comment:
I'd love to see an article this straightforward and approachable in an n-tier tutorial? The EF seems very simple until you try and separate concerns. What if I'd like to store all of my business logic and data access in a separate class library project?
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Title:
Very good intro
Name:
Marshall
Date:
2010-05-05 2:23:05 PM
Comment:
Great intro to EF and made very simple to understand.
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Title:
Thanks
Name:
Soyka
Date:
2010-05-05 1:30:11 AM
Comment:
I'm coding just for fun and sometimes I don't know where to start with a new thing. Your articles put me on the right track...Thanks
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Title:
Far Too Good
Name:
Sreedevi
Date:
2010-03-31 7:14:48 AM
Comment:
This is a very nice article. Its seems like a cake walk creating applications using VS2010. Hope we get to work on VS 2010 very soon.
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