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DataContext.cs
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DataContext.cs
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using System.Data.Entity;
using System.Data.Entity.Validation;
using System.Diagnostics;
namespace Ebuy.DataAccess
{
public partial class DataContext : DbContext
{
public DbSet<Auction> Auctions { get; set; }
public DbSet<Bid> Bids { get; set; }
public DbSet<Category> Categories { get; set; }
public DbSet<User> Users { get; set; }
public override int SaveChanges()
{
try
{
return base.SaveChanges();
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceError("Property: {0} Error: {1}",
validationError.PropertyName, validationError.ErrorMessage);
}
}
throw;
}
}
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
modelBuilder.Entity<Bid>()
.HasRequired(x => x.Auction)
.WithMany()
.WillCascadeOnDelete(false);
modelBuilder.Entity<Bid>()
.HasRequired(x => x.User)
.WithMany()
.WillCascadeOnDelete(false);
}
}
}