static void Main()
{
using (NorthwindEntities dbFirst = new NorthwindEntities())
{
using (NorthwindEntities dbSecond = new NorthwindEntities())
{
dbFirst.Customers.Add(new Customer() { CustomerID = "xswde", CompanyName = "CONFLICTTEST" });
dbSecond.Customers.Add(new Customer() { CustomerID = "xldde", CompanyName = "CONFLICTTEST2" });
dbSecond.SaveChanges();
dbFirst.SaveChanges();
dbSecond.SaveChanges();
}
}
}
public static void UpdateCustomer(string customerID, string newCompanyName)
{
NorthwindEntities db = new NorthwindEntities();
using (db)
{
Customer customerToUpdate = FindCustomerById(customerID);
db.Entry(customerToUpdate).State = EntityState.Modified;
customerToUpdate.CompanyName = newCompanyName;
db.SaveChanges();
Console.WriteLine("Customer with ID:{0} UPDATED Successfully", customerID);
}
}
public static void DeleteCustomer(string customerID)
{
NorthwindEntities db = new NorthwindEntities();
using (db)
{
Customer customerToRemove = FindCustomerById(customerID);
db.Entry(customerToRemove).State = EntityState.Deleted;
db.Customers.Remove(customerToRemove);
db.SaveChanges();
Console.WriteLine("Customer with ID:{0} DELETED Successfully", customerID);
}
}
public static void AddCustomer(string customerID, string companyName)
{
NorthwindEntities db = new NorthwindEntities();
using (db)
{
Customer newCustomer = new Customer()
{
CustomerID = customerID,
CompanyName = companyName
};
db.Customers.Add(newCustomer);
db.SaveChanges();
Console.WriteLine("Customer with ID:{0} and CompanyName: {1} Recorded Successfully", customerID, companyName);
}
}
private static void AddOrder(string shipName, short amount, int productID, decimal unitPrice, float discount)
{
NorthwindEntities db = new NorthwindEntities();
using (db)
{
TransactionScope scope = new TransactionScope();
using (scope)
{
try
{
Order newOrder = new Order { ShipName = shipName };
db.Orders.Add(newOrder);
db.SaveChanges();
var result = db.Orders.Where(x => x.ShipName == shipName);
using (NorthwindEntities dbContext = new NorthwindEntities())
{
foreach (var item in result)
{
Order_Detail newDetail = new Order_Detail
{
OrderID = item.OrderID,
ProductID = productID,
UnitPrice = unitPrice,
Discount = discount,
Quantity = amount,
};
dbContext.Order_Details.Add(newDetail);
dbContext.SaveChanges();
}
}
scope.Complete();
}
catch (Exception e)
{
throw e;
}
}
}
}