public void UpdateProduct(Product changedProduct, Product originalProduct = null)
{
//Console.WriteLine("UpdateProduct: " + JsonConvert.SerializeObject(changedProduct));
//context.Products.Update(changedProduct);
//context.SaveChanges();
if (originalProduct == null)
{
originalProduct = context.Products.Find(changedProduct.Id);
}
else
{
context.Products.Attach(originalProduct);
}
originalProduct.Name = changedProduct.Name;
originalProduct.Category = changedProduct.Category;
originalProduct.Price = changedProduct.Price;
EntityEntry entry = context.Entry(originalProduct);
Console.WriteLine($"Entity State: {entry.State}");
foreach (string p_name in new string[] { "Name", "Category", "Price" })
{
Console.WriteLine($"{p_name} - Old: {entry.OriginalValues[p_name]}, New: {entry.CurrentValues[p_name]}");
}
context.SaveChanges();
}
public void UpdateProduct(Product changedProduct, Product originalProduct = null)
{
if (originalProduct == null)
{
originalProduct = context.Products.Find(changedProduct.Id);
}
else
{
context.Products.Attach(originalProduct);
}
originalProduct.Name = changedProduct.Name;
originalProduct.Category = changedProduct.Category;
originalProduct.Price = changedProduct.Price;
originalProduct.Supplier.Name = changedProduct.Supplier.Name;
originalProduct.Supplier.City = changedProduct.Supplier.City;
originalProduct.Supplier.State = changedProduct.Supplier.State;
EntityEntry entry = context.Entry(originalProduct);
Console.WriteLine($"Entity State: {entry.State}");
foreach (string p_name in new string[] { "Name", "Category", "Price" })
{
Console.WriteLine($"{p_name} - Old: " +
$"{entry.OriginalValues[p_name]}, " +
$"New: {entry.CurrentValues[p_name]}");
}
context.SaveChanges();
}