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0 VotesHow to override DbContext ValidateEntity for parent entity
I am looking for ideas on how to override DbContext ValidateEntity to work with a parent / child entity situation. ...Answered | 3 Replies | 3374 Views | Created by pretzelb - Tuesday, November 8, 2011 1:09 AM | Last reply by pretzelb - Wednesday, November 9, 2011 11:30 PM
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0 Votes
How to get the DbContext of an Entity
Hello, If I understand correctly, you want to get the dbcontext object from an entity object. Unfortunately, for ...Answered | 1 Replies | 846 Views | Created by Amin-Mashayekhi - Tuesday, January 28, 2014 12:28 PM | Last reply by Fred Bao - Wednesday, January 29, 2014 4:20 AM -
1 Votes
InvalidOperationException on DbContext Add Entity
I just changed my Entity Framework code generation to POCO using DbContext. I use 2 ways to add a new entity: 1: ...Answered | 1 Replies | 3864 Views | Created by TvRaak - Friday, October 5, 2012 8:31 AM | Last reply by Miguel Fernández Corral - Friday, October 5, 2012 8:41 AM -
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MVC3 - Parent \ Child model binding and Entity Framework 4.1 DbContext
which has access to the underlying DbContext to perform the save\update operations. If it's a new parent object, I can just add to the ...Answered | 1 Replies | 5921 Views | Created by Dylan Morley - Tuesday, December 13, 2011 1:39 PM | Last reply by Fly_fish - Monday, December 19, 2011 9:00 AM -
1 Votes
Complex entity validation and dbContext change tracking issue
it raises another issue in that dbContext will call ValidateEntity for each changed child entity (which could be quite a few). It would be wasteful ...Answered | 4 Replies | 2359 Views | Created by pretzelb - Thursday, November 3, 2011 4:23 PM | Last reply by pretzelb - Friday, November 4, 2011 4:51 PM -
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Override parent visual
Is it possible to override the visual of a parent? Of course you can always draw on top of a parent object, but can you somehow draw transparency that clears ...Discussion | 2 Replies | 4328 Views | Created by Negativë - Wednesday, June 17, 2009 8:32 PM | Last reply by Jim Zhou - MSFT - Tuesday, June 30, 2009 6:45 AM -
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Finding "Parent" tables in DbContext
project. I have worked out that I want to import data to any EF "Parent" tables first in order that I don't try to create a Child ...Unanswered | 5 Replies | 2102 Views | Created by ChangedDaily - Sunday, December 16, 2012 10:41 PM | Last reply by Glenn Condron - Thursday, January 3, 2013 7:14 PM -
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Entity Framework / DBContext Objects
call Dispose, but in most common scenarios you don’t need to. For example, the DbContext will be released off the database connection after the ...Unanswered | 2 Replies | 438 Views | Created by James 8.1 - Tuesday, December 20, 2016 7:50 PM | Last reply by James 8.1 - Thursday, December 29, 2016 12:29 AM -
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Entity framework DBContext - SQL Azure.
Hello, If I understand correctly, you want to specify the connection while creating the instance for the DbContext. From my opinion, it ...Answered | 2 Replies | 2434 Views | Created by Ramesh Bolla - Friday, September 20, 2013 8:31 AM | Last reply by Fred Bao - Monday, September 23, 2013 6:44 AM -
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Adding entity to DbContext not possible
and OriginalValues throw an InvalidOperationException saying that the entity is not attached to the current DbContext. Please show the detail information ...Answered | 1 Replies | 618 Views | Created by Mythos33 - Wednesday, November 19, 2014 7:26 AM | Last reply by Fred Bao - Thursday, November 20, 2014 5:05 AM -
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Guidelines for using DBContext
How many DBContexts can be used in an application. Are there any guidelines defined for how Context classes inherited from DBContext should be ofganized in ... -
1 Votes
How to override parent class property in child class ?
Hi i've created class which inherited from a class. now, i want to change Text property to update UI with my own code. but i don't override this, because ...Answered | 1 Replies | 3578 Views | Created by Hamed_1983 - Wednesday, February 10, 2010 11:21 AM | Last reply by Oleksandr Klymenko - Wednesday, February 10, 2010 11:44 AM -
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How to fix a parent for an entity..??
basically, when I put a text box, using Blend or Drag and Drop option of visual studios, the text box makes it margin with respect of some other entity already present in the view, so I want ...Unanswered | 4 Replies | 1544 Views | Created by Developer3092 - Sunday, February 5, 2012 12:05 AM | Last reply by WinPhoneDevs - Sunday, February 5, 2012 8:54 PM -
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1 Entity 2 Tables with DbContext Generator?
mapping for all key properties (Usuarios.UsuarioID) of the EntitySet Usuarios. i tried everithing but still i cant figure out how to map 2 tables (1 ...Proposed | 3 Replies | 5195 Views | Created by George Domingos - Monday, March 14, 2011 5:42 AM | Last reply by Rowan Miller - Thursday, March 17, 2011 7:01 PM -
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Entity Frame work use for child parent
child change. How i could reach to child from parent in entity frame work to manage this idea. Thanks for ...Answered | 1 Replies | 1004 Views | Created by Aliprofessional - Saturday, June 22, 2013 9:41 AM | Last reply by Chester Hong - Tuesday, June 25, 2013 8:41 PM -
1 Votes
EF implicit creation of a DBContext for entity queries?
>how does that work? Is there some implicit creation of a context under the covers? it retrieves the data form database and adds to memory. ...Answered | 1 Replies | 281 Views | Created by RKendal - Tuesday, May 10, 2016 2:11 AM | Last reply by Zhanglong Wu - Tuesday, May 10, 2016 6:13 AM -
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Getting value from parent entity
DateCreated is not a member of the WorkQueueItems, the only thing that shows up in the intellisense are things like SUM and AGGREGATE. I need to get the parent ...Unanswered | 1 Replies | 3911 Views | Created by Fresno Bob - Saturday, September 27, 2008 2:37 PM | Last reply by WilliamStacey - Sunday, September 28, 2008 3:01 AM -
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Parent Child entity
Hi michaelgr123; Line to Entity Framework does not have support for the TSQL keyword LIKE which is what you are looking for. ...Unanswered | 3 Replies | 1643 Views | Created by michaelgr123 - Tuesday, August 21, 2012 9:06 AM | Last reply by Fernando Soto - MCSD - Wednesday, August 22, 2012 2:34 PM -
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Should logical parent / child entity be split into separate DbSet properties of DbContext?
The other main difference is that in the context they used a separate DbSet for each entity instead of just the parent. I begin to ...Answered | 2 Replies | 1934 Views | Created by pretzelb - Monday, November 14, 2011 6:12 PM | Last reply by pretzelb - Tuesday, November 15, 2011 5:05 PM -
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Entity Framework 4.3.1 DBContext and dynamic ConnectionString
about the constructor. To be clear, I would like to be able to create in code this: <configSections>Unanswered | 3 Replies | 7932 Views | Created by BernardG7801460 - Thursday, April 12, 2012 10:19 AM | Last reply by Mohammad Mashayekh - Monday, March 4, 2013 5:49 AM - Items 1 to 20 of 2917691 Next ›
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