public async Task SaveAsync()
{
foreach (var item in context.ChangeTracker.Entries <ContactUs>())
{
if (item.State == EntityState.Added || item.State == EntityState.Modified)
{
if (item.Entity.State != EntityStatus.Deleted)
{
item.Entity.ModifiedDate = DateTime.Now;
}
}
}
await context.SaveChangesAsync();
}
