public static void EditCustumer(string id, string companyName, string contactName)
{
using (var baseConn = new NorthwindEntities())
{
bool successs = false;
try
{
Customer custumerToEdit = baseConn.Customers.Find(id);
custumerToEdit.CompanyName = companyName;
custumerToEdit.ContactName = contactName;
baseConn.SaveChanges();
successs = true;
}
finally
{
if (successs)
{
Console.WriteLine("Custumer modified");
}
else
{
Console.WriteLine("Custumer could not be modified");
}
}
}
}
public static void AddCustomer(string id, string companyName, string contactName, string contactTitle, string address, string city,
string region, string postalCode, string country, string phone, string fax)
{
using (var baseConn = new NorthwindEntities())
{
bool success = false;
try
{
Customer newCustomer = new Customer
{
CustomerID = id,
CompanyName = companyName,
ContactName = contactName,
ContactTitle = contactTitle,
Address = address,
City = city,
Region = region,
PostalCode = postalCode,
Country = country,
Phone = phone,
Fax = fax
};
if (baseConn.Customers.Find(newCustomer.CustomerID) == null && newCustomer.CustomerID != null)
{
baseConn.Customers.Add(newCustomer);
baseConn.SaveChanges();
success = true;
}
}
finally
{
if (success)
{
Console.WriteLine("Custumer added");
}
else
{
Console.WriteLine("Custumer not added");
}
}
}
}
public static Customer GetCustomerByCriterion(string criterion, string searchValue)
{
Customer result = null;
using (var baseConn = new NorthwindEntities())
{
foreach (var item in baseConn.Customers)
{
var itemProp = item.GetType().GetProperty(criterion);
if (itemProp.GetValue(item, null).ToString() == searchValue)
{
result = item;
break;
}
}
}
return result;
}
public static void RemoveCustomer(string id)
{
using (var baseConn = new NorthwindEntities())
{
bool success = false;
try
{
var element = baseConn.Customers.Find(id);
baseConn.Customers.Remove(element);
baseConn.SaveChanges();
success = true;
}
finally
{
if (success)
{
Console.WriteLine("Custumer deleted");
}
else
{
Console.WriteLine("Custumer could not be deleted");
}
}
}
}
