/// <summary>
/// Adds a new Customer
/// </summary>
public static Int32 AddCustomer(MVVM.DataAccess.Customer newCustomer)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
context.Customers.InsertOnSubmit(newCustomer);
context.SubmitChanges();
return(newCustomer.CustomerId);
}
/// <summary>
/// Deletes a Customer based on a CustomerId
/// </summary>
public static Boolean DeleteCustomer(Int32 CustomerId)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
var custToDelete =
context.Customers.Where(c => c.CustomerId == CustomerId).SingleOrDefault();
context.Customers.DeleteOnSubmit(custToDelete);
context.SubmitChanges();
return true;
}
/// <summary>
/// Deletes a Order based on a OrderId
/// </summary>
public static Boolean DeleteOrder(Int32 OrderId)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
var orderToDelete =
context.Orders.Where(o => o.OrderId == OrderId).SingleOrDefault();
context.Orders.DeleteOnSubmit(orderToDelete);
context.SubmitChanges();
return(true);
}
/// <summary>
/// Deletes a Order based on a OrderId
/// </summary>
public static Boolean DeleteOrder(Int32 OrderId)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
var orderToDelete =
context.Orders.Where(o => o.OrderId == OrderId).SingleOrDefault();
context.Orders.DeleteOnSubmit(orderToDelete);
context.SubmitChanges();
return true;
}
/// <summary>
/// Deletes a Customer based on a CustomerId
/// </summary>
public static Boolean DeleteCustomer(Int32 CustomerId)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
var custToDelete =
context.Customers.Where(c => c.CustomerId == CustomerId).SingleOrDefault();
context.Customers.DeleteOnSubmit(custToDelete);
context.SubmitChanges();
return(true);
}
/// <summary>
/// Updates an existing Order
/// </summary>
public static Boolean UpdateOrder(MVVM.DataAccess.Order newOrder)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
var orderToUpdate =
context.Orders.Where(o => o.OrderId == newOrder.OrderId)
.SingleOrDefault();
//update the values
orderToUpdate.CustomerId = newOrder.CustomerId;
orderToUpdate.Quantity = newOrder.Quantity;
orderToUpdate.ProductId = newOrder.ProductId;
orderToUpdate.DeliveryDate = newOrder.DeliveryDate;
context.SubmitChanges();
return(true);
}
/// <summary>
/// Updates an existing Customer
/// </summary>
public static Boolean UpdateCustomer(MVVM.DataAccess.Customer newCustomer)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
var customerToUpdate =
context.Customers.Where(c => c.CustomerId == newCustomer.CustomerId)
.SingleOrDefault();
//update the values
customerToUpdate.FirstName = newCustomer.FirstName;
customerToUpdate.LastName = newCustomer.LastName;
customerToUpdate.Email = newCustomer.Email;
customerToUpdate.HomePhoneNumber = newCustomer.HomePhoneNumber;
customerToUpdate.MobilePhoneNumber = newCustomer.MobilePhoneNumber;
customerToUpdate.Address1 = newCustomer.Address1;
customerToUpdate.Address2 = newCustomer.Address2;
customerToUpdate.Address3 = newCustomer.Address3;
context.SubmitChanges();
return(true);
}
/// <summary>
/// Returns a list of all Customers that match a filter
/// this uses the DynamicLINQ API
/// </summary>
public static List<MVVM.DataAccess.Customer> FindMatchingCustomers(String filter)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
return context.Customers.Where(filter, null).ToList(); ;
}
/// <summary>
/// Returns a list of all Customers
/// </summary>
/// <returns></returns>
public static List<MVVM.DataAccess.Customer> FetchAllCustomers()
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
return context.Customers.ToList();
}
/// <summary>
/// Returns a list of all Orders based on the Customers Id
/// </summary>
/// <returns></returns>
public static List<MVVM.DataAccess.Order> FetchAllOrders(Int32 customerId)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
return context.Orders.Where(o => o.CustomerId == customerId).ToList();
}
/// <summary>
/// Returns a list of all Products
/// </summary>
/// <returns></returns>
public static List<MVVM.DataAccess.Product> FetchAllProducts()
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
return context.Products.ToList();
}
/// <summary>
/// Updates an existing Order
/// </summary>
public static Boolean UpdateOrder(MVVM.DataAccess.Order newOrder)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
var orderToUpdate =
context.Orders.Where(o => o.OrderId == newOrder.OrderId)
.SingleOrDefault();
//update the values
orderToUpdate.CustomerId = newOrder.CustomerId;
orderToUpdate.Quantity = newOrder.Quantity;
orderToUpdate.ProductId = newOrder.ProductId;
orderToUpdate.DeliveryDate = newOrder.DeliveryDate;
context.SubmitChanges();
return true;
}
/// <summary>
/// Returns a list of all Customers that match a filter
/// this uses the DynamicLINQ API
/// </summary>
public static List <MVVM.DataAccess.Customer> FindMatchingCustomers(String filter)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
return(context.Customers.Where(filter, null).ToList());;
}
/// <summary>
/// Returns a list of all Customers
/// </summary>
/// <returns></returns>
public static List <MVVM.DataAccess.Customer> FetchAllCustomers()
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
return(context.Customers.ToList());
}
/// <summary>
/// Returns a list of all Orders based on the Customers Id
/// </summary>
/// <returns></returns>
public static List <MVVM.DataAccess.Order> FetchAllOrders(Int32 customerId)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
return(context.Orders.Where(o => o.CustomerId == customerId).ToList());
}
/// <summary>
/// Returns a list of all Products
/// </summary>
/// <returns></returns>
public static List <MVVM.DataAccess.Product> FetchAllProducts()
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
return(context.Products.ToList());
}
/// <summary>
/// Adds a new Customer
/// </summary>
public static Int32 AddCustomer(MVVM.DataAccess.Customer newCustomer)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
context.Customers.InsertOnSubmit(newCustomer);
context.SubmitChanges();
return newCustomer.CustomerId;
}
/// <summary>
/// Updates an existing Customer
/// </summary>
public static Boolean UpdateCustomer(MVVM.DataAccess.Customer newCustomer)
{
MVVM_DemoDataContext context = new MVVM_DemoDataContext();
var customerToUpdate =
context.Customers.Where(c => c.CustomerId == newCustomer.CustomerId)
.SingleOrDefault();
//update the values
customerToUpdate.FirstName = newCustomer.FirstName;
customerToUpdate.LastName = newCustomer.LastName;
customerToUpdate.Email = newCustomer.Email;
customerToUpdate.HomePhoneNumber = newCustomer.HomePhoneNumber;
customerToUpdate.MobilePhoneNumber = newCustomer.MobilePhoneNumber;
customerToUpdate.Address1 = newCustomer.Address1;
customerToUpdate.Address2 = newCustomer.Address2;
customerToUpdate.Address3 = newCustomer.Address3;
context.SubmitChanges();
return true;
}
