public async static Task DeleteProductPrice(ProductPrice itemPara)
{
using (var db = new SalesContext())
{
//if (itemPara.Store != null) //NOT DELETE - IMPORTANT
// db.Stores.Attach(itemPara.Store);
//if (itemPara.Product != null) //NOT DELETE - IMPORTANT
// db.Products.Attach(itemPara.Product);
db.Entry(itemPara).State = EntityState.Unchanged; //NOT DELETE - IMPORTANT
ProductPrices.Remove(itemPara);
db.Entry(itemPara).State = EntityState.Deleted;
await UpdateDatabase(db);
}
}
public async static Task DeleteAllProductPrices(ICollectionView itemParas)
{
using (var db = new SalesContext())
{
List <ProductPrice> list = new List <ProductPrice>();
foreach (object item in itemParas)
{
list.Add((ProductPrice)item);
}
foreach (ProductPrice item in list)
{
db.Entry(item).State = EntityState.Unchanged;
ProductPrices.Remove(item);
db.Entry(item).State = EntityState.Deleted;
//Categories.Remove(item);
//var query = db.Categories.Find(item.Id);
//db.Entry(query).State = EntityState.Deleted;
}
await UpdateDatabase(db);
}
}