Ado child updating
It has to determine the state of the Standard entity by using Standard Id and the state of the Teacher entity by using Teacher Id property.If Standard Id and Teacher ID value is zero, that means it is a new entity and if it is not zero then it is a modified entity.Please join our friendly community by clicking the button below - it only takes a few seconds and is totally free.You'll be able to ask any tech support questions, or chat with the community and help others.The problem in updating an entity graph in the disconnected scenario, is that the context doesn't know what operation was performed on it at the client side.
Deleted removes the object from collection, and for each loop breaks, since the collection is modified...
Download the Adventure Works 2008R2 family of sample databases and Adventure Works 2008R2 sample databases Note: When you click the big Download button on the SQL Server R2 sample code project page (this one), you will get the x64 installer and download the SQL Server 2008R2 samples.
SQL Azure Adventure Works community sample databases can be downloaded from here. Download the Adventure Works 2008 family of sample databases separately.
When I click save new values are sent to the server. If exists then I modify its values, if it does not exist then I add it.
All employees that exist on the server and were not sent are marked as deleted (State changed to Entity State. I try to use the following code (db Collection = database entities, new Collection = collection sent from the form): [Code]...
The SQL Server 2012 RTM versions of the Adventure Works OLTP sample database and Adventure Works data warehouse sample database are available on Adventure Works for SQL Server 2012.