It seems to me that I have to retrieve an object before I delete it with entity framework like belowvar customer = context.Customers.First(c => c.Id == 1); context.DeleteObject(customer); context.Savechanges();So I need to hit database twice. Is there a easier way?回答1In Entity Fr...
firstObject: This is the object to be deleted. secondObject: This object is assigned to thefirstObjectto delete it. Let’s create a simple example to demonstrate deleting an object in Java by assigning it to another object: publicclassObjectDeletionExample{publicstaticvoidmain(String[]args){// ...
ctx.AttachTo("Categories", stub); // Do the delete the category ctx.DeleteObject(stub); // Apply the delete to the database ctx.SaveChanges(); And now you’ve deleted an object from the database, without first doing a query. but… Not so fast In the sample above all I needed to...
Since the mod i disabled spawns an infinite number of NPCs and delete them, i am suspecting that the game does not completely delete the refs when using "Delete()" or killessential(), even if DPPI shows nothing.I'm saying this because when i "prid" a deleted ref, it still show...
How to delete an object which is seraliazed from the file Ashuthosh san Ranch Hand Posts: 35 posted 15 years ago Hi, I am writing some objects to file using writeObject(), and after reading using readObject() i want to delete that object from that file. Could you please let ...
In order to delete an object from the database the following steps should be performed: You need a reference to the target object. Pass the object to the OpenAccessContext's Delete method. Invoke the SaveChanges method. For example: C# VB Customer customerToDelete = dbContext.Customers.Las...
In C#, user-defined class objects are reference variables that point to specific memory locations. Deleting such objects involves removing the reference to their associated memory location. This tutorial will explore the methods to delete a user-defined class object in C# effectively. ...
How to: Delete Objects In order to delete an object from the database the following steps should be performed: You need a reference to the target object. Pass the object to the OpenAccessContext's Delete method. Invoke the SaveChanges method. For example: C# VB Customer customerToDelete ...
To delete a managed object from a Management Group See Also Use the following procedure to delete a managed object from an Essentials 2007 group. For more information about the Device Management node of the Essentials 2007 console, see Device Management. To delete a managed object from a M...
How to: Add, Modify, and Delete Objects How to: Create an Object Using the Static Create Method How to: Create a POCO Entity with Proxies Attaching and Detaching Objects Saving Changes and Managing Concurrency Working with Entity Keys Working with Foreign Keys Working with Self-Tracking Entities...