How delete more than one record from database using linq in asp net mvc

Introduction

Deleting multiple records from a database using LINQ in ASP.NET MVC can be achieved by following a few simple . In this article, we will explore how to accomplish this task with examples.

Step 1: Setting up the Database Context

First, we need to set up the database context in our ASP.NET MVC . This can be done by creating a new that inherits from the DbContext class provided by Entity Framework. Here's an :

In the above code, we define a DbSet property called Records represents the table in our database that the records we want to delete.

Step 2: Deleting Multiple Records

Once we have set up the database context, we can now proceed to delete multiple records using LINQ. Here's an example:


using (var context = new MyDbContext())
{
    var recordsToDelete = context.Records.(r => r. == "SomeCategory").ToList();
    
    context.Records.RemoveRange(recordsToDelete);
    context.SaveChanges();
}

In the above code, we first retrieve the records we want to delete by using the Where with a . In this example, we are deleting records with a specific category. We then convert the result to a list using the ToList method.

Next, we use the RemoveRange method to remove all the records in the list from the database context. Finally, we call the SaveChanges method to persist the changes to the database.

Conclusion

Deleting multiple records from a database using LINQ in ASP.NET MVC is a straightforward process. By following the steps outlined in this article and using the provided example, you can easily accomplish this task in your own application.

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