EF.Plus - Batch Update - ALL

CSharp · Console

/Program.cs

// @nuget: EntityFramework
// @nuget: Z.EntityFramework.Extensions
// @nuget: Z.EntityFramework.Plus.EF6

using System;
using System.Linq;
using System.Data.Entity;
using Z.EntityFramework.Plus;

public class Program
{
	public static void Main()
	{
		GenerateData();
		
		// Update: UPDATE all rows from the database using a LINQ Query without loading entities in the context.
		using (var context = new EntityContext())
		{
			// UPDATE all customers that are inactive for more than two years
			context.Customers
				.Update(x => new Customer {IsActive = false, Description = "Updated", Count = x.Count+1});
			
			FiddleHelper.WriteTable(context.Customers.ToList());	
		}
		using (var context = new EntityContext())
		{
			context.Customers
				.Update(x => new Customer {IsActive = false, Description = "Updated", Count = x.Count+1});
			
			FiddleHelper.WriteTable(context.Customers.ToList());
		}
		
	}
		 
	public static void GenerateData()
	{
		
		using (var context = new EntityContext())
		{
			context.Customers.Add(new Customer() { Name ="Customer_A", Description = "Description",Count =0, IsActive = true, LastLogin = new DateTime(2010,1,1) });
			context.Customers.Add(new Customer() { Name ="Customer_B", Description = "Description",Count =0, IsActive = true, LastLogin = new DateTime(2010,1,1) });			
			context.Customers.Add(new Customer() { Name ="Customer_C", Description = "Description",Count =0, IsActive = true, LastLogin = DateTime.Now });
			
			context.BulkSaveChanges();	
		}
		
		using (var context = new EntityContext())
		{
			FiddleHelper.WriteTable(context.Customers.ToList());	
		}
	}

	public class EntityContext : DbContext
	{
		public EntityContext() : base(FiddleHelper.GetConnectionStringSqlServer())
		{

		}
		
		public DbSet<Customer> Customers { get; set; }
	}
	
	
	public class Customer
	{
		public int CustomerID { get; set; }
		public string Name { get; set; }
		public string Description { get; set; }
		public DateTime LastLogin { get; set; }
		public int Count {get;set;}
		public Boolean IsActive { get; set; }
	}
}