{"id":3016,"date":"2013-03-29T15:42:24","date_gmt":"2013-03-29T11:12:24","guid":{"rendered":"https:\/\/day.ir\/blog\/?p=3016"},"modified":"2022-12-25T15:07:14","modified_gmt":"2022-12-25T11:37:14","slug":"codefirst-wcf","status":"publish","type":"post","link":"https:\/\/day.ir\/blog\/web\/codefirst-wcf\/","title":{"rendered":"\u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc Entity Framework CodeFirst \u062f\u0631 WCF"},"content":{"rendered":"

\u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc Entity Framework CodeFirst \u062f\u0631 WCF<\/span><\/h1>\n

WCF \u0686\u06cc\u0633\u062a\u061f<\/span><\/h2>\n

\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc Entity Framework CodeFirst \u062f\u0631 WCF\u00a0 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627 WCF\u00a0 \u0622\u0634\u0646\u0627 \u0647\u0633\u062a\u06cc\u0645 \u0648\u0644\u06cc \u0628\u0647 \u062c\u0647\u062a \u062d\u0641\u0638 \u0633\u0627\u062e\u062a\u0627\u0631 \u0645\u0642\u0627\u0644\u0647 \u0630\u06a9\u0631 \u0627\u06cc\u0646 \u0646\u06a9\u062a\u0647 \u0636\u0631\u0648\u0631\u06cc \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f: WCF \u06cc\u0627 Windows Communication Foundation \u06cc\u06a9 \u0641\u0631\u06cc\u0645 \u0648\u0631\u06a9 \u0633\u0631\u0648\u06cc\u0633 \u06af\u0631\u0627 \u0648 \u0632\u06cc\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u067e\u0631\u0648\u0698\u0647 .net Frametword \u0627\u0633\u062a. \u0645\u06cc \u062a\u0648\u0627\u0646 \u0633\u0631\u0648\u06cc\u0633 WCF \u0631\u0627 \u062f\u0631 \u0648\u0628 \u0633\u0631\u0648\u0631 IIS \u0647\u0627\u0633\u062a \u06a9\u0631\u062f. wcf \u0627\u0632 \u067e\u0631\u0648\u062a\u0648\u06a9\u0644 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0627\u0632 \u062c\u0645\u0644\u0639: HTTP, WS-HTTP, TCP, P2P, MSMQ<\/p>\n

CodeFirst<\/span><\/h2>\n

\u0645\u0627\u06cc\u06a9\u0631\u0648\u0633\u0627\u0641\u062a \u062f\u0631 \u0646\u0633\u062e\u0647 Entity Framework 4.1 \u0628\u0631\u0627\u06cc \u0627\u0648\u0644\u06cc\u0646 \u0628\u0627\u0631 \u06a9\u0644\u0627\u0633 DbContext<\/strong> \u0631\u0627 \u0645\u0639\u0631\u0641\u06cc \u06a9\u0631\u062f \u06a9\u0647 \u0634\u06cc\u0648\u0647 \u0646\u0648\u06cc\u0646\u06cc \u062c\u0647\u062a \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0628\u0631\u0627\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0648\u062f\u0647 \u0648 \u0628\u0627 \u0646\u0627\u0645 CodeFirst<\/strong> \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f. \u0627\u06cc\u0646 \u0634\u06cc\u0648\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0628\u0633\u06cc\u0627\u0631 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0642\u0628\u0627\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u0627\u0646 \u06af\u0631\u0641\u062a \u0648 \u062f\u0631 \u0646\u0633\u062e\u0647 \u0647\u0627\u06cc \u0628\u0639\u062f\u06cc \u0627\u0645\u06a9\u0627\u0646\u0627\u062a \u062c\u0627\u0644\u0628 \u0641\u0631\u0627\u0648\u0627\u0646\u06cc \u0628\u0647 \u0622\u0646 \u0627\u0636\u0627\u0641\u0647 \u0634\u062f \u0648 \u0647\u0645 \u0627\u06a9\u0646\u0648\u0646 \u0646\u06cc\u0632 \u062f\u0631 \u062d\u0627\u0644 \u062a\u0648\u0633\u0639\u0647 \u0648 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u0628\u0627\u0634\u062f.<\/p>\n

\u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0634\u06a9\u0644\u0627\u062a \u06a9\u0627\u0631 \u0628\u0627 \u0627\u0628\u0632\u0627\u0631 \u0647\u0627\u06cc ORM \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u0634\u062f\u0647 \u0645\u0639\u0645\u0648\u0644\u0627 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u067e\u0627\u06cc\u0647 \u0627\u06cc \u0628\u0647 \u0627\u0631\u062b \u0631\u0641\u062a\u0647 \u0627\u0646\u062f \u0648 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0628\u0627\u0639\u062b \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0642\u0627\u0628\u0644 \u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0632 \u0633\u0645\u062a \u0633\u0631\u0648\u06cc\u0633 \u0628\u0647 \u06a9\u0644\u0627\u06cc\u0646\u062a \u0646\u0628\u0627\u0634\u0646\u062f \u0648 \u0647\u0632\u06cc\u0646\u0647 \u0633\u0631\u06cc\u0627\u0644\u0627\u06cc\u0632 (Serialize) \u0648 \u062f\u06cc \u0633\u0631\u06cc\u0627\u0644\u0627\u06cc\u0632 (Deserialize) \u0646\u0645\u0648\u062f\u0646 \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0646\u06cc\u0632 \u0628\u0633\u06cc\u0627\u0631 \u0628\u0627\u0644\u0627 \u0627\u0633\u062a.<\/p>\n

\u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0647\u0645\u0648\u0627\u0631\u0647 \u0645\u0648\u0631\u062f \u0639\u0644\u0627\u0642\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u0627\u0646 \u0628\u0648\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0628\u062a\u0648\u0627\u0646\u0646\u062f \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u067e\u0627\u06cc\u0647 \u062e\u0648\u062f (POCO) \u0648 \u0628\u062f\u0648\u0646 \u0647\u06cc\u0686 \u0633\u0631\u0628\u0627\u0631 \u0627\u0636\u0627\u0641\u06cc \u0628\u0647 \u062c\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u067e\u06cc\u0634 \u0641\u0631\u0636 \u062a\u0648\u0644\u06cc\u062f \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 Entity Framework \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u0627\u06cc\u0646\u062f.<\/p>\n

\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634 CodeFirst \u0628\u0631\u0627\u062d\u062a\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u06cc\u0646 \u0642\u0627\u0628\u0644\u06cc\u062a \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u0646\u0645\u0648\u062f. \u0628\u0631\u0627\u06cc \u062f\u0631\u06a9 \u0628\u0647\u062a\u0631 \u0645\u0633\u0626\u0644\u0647\u060c \u0628\u0647 \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n

\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0648 \u06a9\u0644\u0627\u0633 \u0628\u0647 \u0646\u0627\u0645 \u0647\u0627\u06cc Customer \u0648 Address \u062f\u0627\u0631\u06cc\u0645 \u0648 \u0628\u0647 \u0627\u0632\u0627\u06cc \u0627\u06cc\u0646 \u062f\u0648 \u06a9\u0644\u0627\u0633\u060c \u062f\u0648 \u062c\u062f\u0648\u0644 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0627 \u0647\u0645\u06cc\u0646 \u0646\u0627\u0645 \u0647\u0627 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u0631\u0627\u0628\u0637\u0647 \u0628\u06cc\u0646 \u062c\u062f\u0648\u0644 Customer \u0628\u0627 \u062c\u062f\u0648\u0644 Address \u0627\u0632 \u0646\u0648\u0639 “\u06cc\u06a9 \u0628\u0647 \u0686\u0646\u062f” \u0645\u06cc \u0628\u0627\u0634\u062f \u06cc\u0639\u0646\u06cc \u0647\u0631 \u0645\u0634\u062a\u0631\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0686\u0646\u062f\u06cc\u0646 \u0622\u062f\u0631\u0633 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/p>\n

\u0646\u0645\u0648\u0646\u0647 \u06a9\u062f \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc CodeFirst<\/span><\/h3>\n

\u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0627\u06cc\u0646 \u062c\u062f\u0627\u0648\u0644 \u062f\u0631 \u0631\u0648\u0634 CodeFirst \u0645\u0634\u0627\u0628\u0647 \u0642\u0637\u0639\u0647 \u06a9\u062f \u0632\u06cc\u0631 \u0645\u06cc \u0628\u0627\u0634\u0646\u062f:<\/p>\n

public partial class CustomerDBEntities : DbContext<\/p>\n

{
\npublic DbSet<Address> Addresses { get; set; }
\npublic DbSet<Customer> Customers { get; set; }
\n}
\npublic class Customer<\/p>\n

{
\npublic Customer()
\n{
\nthis.Addresses = new HashSet<Address>();<\/p>\n

}
\npublic int CustomerId { get; set; }
\npublic string FirstName { get; set; }
\npublic string LastName { get; set; }
\npublic ICollection<Address> Addresses { get; set; }<\/p>\n

}
\npublic class Address<\/p>\n

{
\npublic int AddressId { get; set; }
\npublic int CustomerId { get; set; }
\npublic string Street { get; set; }
\npublic string Alley { get; set; }
\npublic int No { get; set; }
\npublic Customer Customer { get; set; }
\n}<\/p>\n

\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0645\u062b\u0627\u0644 \u0628\u0627\u0644\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc Customer \u0648 Address \u0627\u0632 \u0647\u06cc\u0686 \u06a9\u0644\u0627\u0633 \u062f\u06cc\u06af\u0631\u06cc \u0628\u0647 \u0627\u0631\u062b \u0646\u0631\u0641\u062a\u0647 \u0627\u0646\u062f \u0648 \u062f\u0627\u0631\u0627\u06cc \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u0647 \u062f\u06cc\u06af\u0631\u06cc \u0646\u06cc\u0632 \u0646\u06cc\u0633\u062a\u0646\u062f \u0648 \u06a9\u0627\u0645\u0644\u0627 \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u0645\u0646\u0638\u0648\u0631 \u0645\u0627 \u06cc\u0639\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0633\u0631\u0648\u06cc\u0633 \u0647\u0627\u06cc WCF \u0645\u06cc \u0628\u0627\u0634\u0646\u062f.<\/p>\n

\u062f\u0631 \u0648\u0631\u0634 \u0628\u0627\u0644\u0627 \u0686\u0646\u062f \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u0634\u0648\u062f\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0627\u06cc\u0646\u06a9\u0647 \u0686\u0648\u0646 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a \u0647\u0627 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u067e\u0627\u06cc\u0647 Entity Framework \u0628\u0647 \u0627\u0631\u062b \u0646\u0631\u0641\u062a\u0647 \u0627\u0646\u062f\u060c \u067e\u0633 \u0642\u0627\u0628\u0644\u06cc\u062a \u0647\u0627\u06cc Lazy Loading \u0648 Change Traking \u0627\u0632 \u06a9\u0627\u0631 \u0627\u0641\u062a\u0627\u062f\u0647 \u0627\u0646\u062f \u0648 \u062f\u06cc\u06af\u0631 \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u06cc \u0628\u0627\u0634\u0646\u062f.<\/p>\n

Lazy Loading<\/span><\/h3>\n

\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0642\u0627\u0628\u0644\u06cc\u062a Lazy Loading \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0641\u0631\u0627\u0647\u0645 \u06a9\u0646\u06cc\u0645 \u06a9\u0627\u0641\u06cc\u0633\u062a \u06a9\u0647 \u062e\u0635\u0648\u0635\u06cc\u0627\u062a\u06cc \u0646\u0627\u0648\u0628\u0631\u06cc (Navigation Properties) \u0631\u0627 \u0628\u0647 \u0634\u06a9\u0644 virtual \u062f\u0631 \u0622\u0648\u0631\u06cc\u0645. \u0644\u0627\u0632\u0645 \u0628\u0647 \u0630\u06a9\u0631 \u0627\u0633\u062a \u06a9\u0647 \u062e\u0635\u0648\u0635\u06cc\u0627\u062a\u06cc \u0646\u0627\u0648\u0628\u0631\u06cc\u060c \u0647\u0645\u0627\u0646 \u062e\u0635\u0648\u0635\u06cc\u0627\u062a\u06cc \u0645\u06cc \u0628\u0627\u0634\u0646\u062f \u06a9\u0647 \u0646\u0645\u0627\u06cc\u0627\u0646\u06af\u0631 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0647\u0627 (\u0648 \u0627\u062d\u062a\u0645\u0627\u0644\u0627 \u062c\u062f\u0627\u0648\u0644 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647) \u0645\u06cc \u0628\u0627\u0634\u0646\u062f. \u062f\u0631 \u0645\u062b\u0627\u0644 \u0645\u0627 \u0647\u0631 \u0645\u0634\u062a\u0631\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0686\u0646\u062f\u06cc\u0646 \u0622\u062f\u0631\u0633 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0648 \u0647\u0631 \u0622\u062f\u0631\u0633 \u062d\u062a\u0645\u0627 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u06cc\u06a9 \u0645\u0634\u062a\u0631\u06cc \u0645\u06cc \u0628\u0627\u0634\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062e\u0635\u0648\u0635\u06cc\u062a Addresses \u062f\u0631 \u06a9\u0644\u0627\u0633 Customer \u0648 \u062e\u0635\u0648\u0635\u06cc\u062a Customer \u062f\u0631 \u06a9\u0644\u0627\u0633 Address \u0646\u0645\u0627\u06cc\u0627\u0646\u06af\u0631 \u0627\u06cc\u0646 \u0631\u0627\u0628\u0637\u0647 \u0628\u0648\u062f\u0647 \u0648 \u062e\u0635\u0648\u0635\u06cc\u0627\u062a\u06cc \u0646\u0627\u0648\u0628\u0631\u06cc \u0645\u06cc \u0628\u0627\u0634\u0646\u062f.<\/p>\n

\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0645\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc Customer \u0648 Address \u0628\u0647 \u0634\u06a9\u0644 \u0632\u06cc\u0631 \u0627\u0639\u0645\u0627\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n

public class Customer<\/p>\n

{public Customer()
\n{
\nthis.Addresses = new HashSet<Address>();
\n}
\npublic int CustomerId { get; set; }
\npublic string FirstName { get; set; }
\npublic string LastName { get; set; }
\npublic Vritual ICollection<Address> Addresses { get; set; }<\/p>\n

}
\npublic class Address<\/p>\n

{
\npublic int AddressId { get; set; }
\npublic int CustomerId { get; set; }
\npublic string Street { get; set; }
\npublic string Alley { get; set; }
\npublic int No { get; set; }
\npublic virtual Customer Customer { get; set; }
\n}<\/p>\n

\u067e\u0631\u0648\u06a9\u0633\u06cc \u0647\u0627\u06cc \u067e\u0648\u06cc\u0627 Dynamic Proxies<\/span><\/h4>\n

\u0634\u0627\u06cc\u062f \u0627\u06cc\u0646 \u0633\u0648\u0627\u0644 \u062f\u0631 \u0630\u0647\u0646\u062a\u0627\u0646 \u0628\u0648\u062c\u0648\u062f \u0622\u0645\u062f\u0647 \u0628\u0627\u0634\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0641\u0642\u0637 \u0628\u0627 \u0627\u0636\u0627\u0641\u0647 \u0646\u0645\u0648\u062f\u0646 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc virtual \u0627\u06cc\u0646 \u0642\u0627\u0628\u0644\u06cc\u062a Lazy Loading \u0628\u0647 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0645\u0627 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u0634\u0648\u062f\u061f!<\/p>\n

\u0628\u0627 virtual \u06a9\u0631\u062f\u0646 \u062e\u0635\u0648\u0635\u06cc\u0627\u062a \u0646\u0627\u0648\u0628\u0631\u06cc\u060c Entity Framework<\/a> \u0647\u0646\u06af\u0627\u0645 \u0627\u062c\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 (RunTime) \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc\u06cc \u0628\u0627 \u0639\u0646\u0648\u0627\u0646 “\u067e\u0631\u0648\u06a9\u0633\u06cc \u0647\u0627\u06cc \u067e\u0648\u06cc\u0627” \u06cc\u0627 \u0647\u0645\u0627\u0646 Dynamic Proxies \u0628\u0647 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc Address \u0648 Customer \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0642\u0627\u0628\u0644\u06cc\u062a Lazy Loading \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u062f\u0631 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06af\u0631\u062f\u062f.<\/p>\n

\u062a\u0627 \u0627\u06cc\u0646\u062c\u0627\u06cc \u06a9\u0627\u0631 \u062a\u0648\u0627\u0646\u0633\u062a\u06cc\u0645 \u0628\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0648\u0686\u06a9\u06cc \u062f\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0642\u0627\u0628\u0644\u06cc\u062a Lazy Loading \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u06a9\u0646\u06cc\u0645 \u0648\u0644\u06cc \u0628\u0627 \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\u0646 \u067e\u0631\u0648\u06a9\u0633\u06cc \u0647\u0627\u06cc \u067e\u0648\u06cc\u0627 \u0628\u0647 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0645\u0627\u060c \u0645\u062c\u062f\u062f\u0627 \u0645\u0634\u06a9\u0644 \u0627\u0628\u062a\u062f\u0627\u06cc \u0645\u0642\u0627\u0644\u0647 \u067e\u062f\u06cc\u062f\u0627\u0631 \u0645\u06cc \u0634\u0648\u0646\u062f \u0648 \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0646\u062a\u0642\u0627\u0644 \u062e\u0648\u062f \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0633\u0631\u0648\u06cc\u0633 \u0647\u0627\u06cc WCF \u0631\u0627 \u0627\u0632 \u062f\u0633\u062a \u0645\u06cc \u062f\u0647\u0646\u062f \u0632\u06cc\u0631\u0627 \u067e\u0631\u0648\u06a9\u0633\u06cc \u0647\u0627\u06cc \u067e\u0648\u06cc\u0627 \u0628\u0647 \u0637\u0648\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0642\u0627\u0628\u0644\u06cc\u062a \u0633\u0631\u06cc\u0627\u0644\u0627\u06cc\u0632 \u0648 \u062f\u06cc\u0633\u0631\u06cc\u0627\u0644\u0627\u06cc\u0632 \u0634\u062f\u0646 \u0631\u0627 \u0646\u062f\u0627\u0631\u0646\u062f!<\/p>\n

\u0642\u0627\u0628\u0644\u06cc\u062a Change Tracking<\/span><\/h5>\n

\u0642\u0628\u0644 \u0627\u0632 \u0627\u06cc\u0646 \u06a9\u0647 \u0628\u0647 \u0633\u0631\u0627\u063a \u0631\u0627\u0647 \u062d\u0644 \u0628\u0631\u0648\u06cc\u0645 \u0628\u062f \u0646\u06cc\u0633\u062a \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0646\u06cc\u0632 \u0627\u0634\u0627\u0631\u0647 \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 \u062a\u0645\u0627\u0645\u06cc \u062e\u0635\u0648\u0635\u06cc\u0627\u062a \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 virtual \u06a9\u0646\u06cc\u0645\u060c \u0642\u0627\u0628\u0644\u06cc\u062a Change Tracking \u0646\u06cc\u0632 \u0628\u0647 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0645\u0627 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648\u0644\u06cc \u0627\u0636\u0627\u0641\u0647 \u0646\u0645\u0648\u062f\u0646 \u0627\u06cc\u0646 \u0642\u0627\u0628\u0644\u06cc\u062a \u0628\u0631 \u0631\u0648\u06cc \u0631\u0627\u0646\u062f\u0645\u0627\u0646 \u0648 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u062a\u0627\u062b\u06cc\u0631 \u0645\u06cc \u06af\u0630\u0627\u0631\u062f.<\/p>\n

\u062e\u0648\u0634\u0628\u062e\u062a\u0627\u0646\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0644\u0627\u0633 DbContext \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u062a\u0648\u0644\u06cc\u062f \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u067e\u0631\u0648\u06a9\u0633\u06cc \u0631\u0627 \u062f\u0631 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u0641\u0639\u0627\u0644 \u06cc\u0627 \u063a\u06cc\u0631 \u0641\u0639\u0627\u0644 \u06a9\u0646\u06cc\u0645. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062a\u0646\u0647\u0627 \u06a9\u0627\u0641\u06cc\u0633\u062a \u06a9\u0647 \u0647\u0631 \u0632\u0645\u0627\u0646 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0647\u0627 \u062f\u0631 \u0633\u0631\u0648\u06cc\u0633 \u0647\u0627\u06cc WCF \u062f\u0627\u0634\u062a\u06cc\u0645\u060c \u0627\u06cc\u0646 \u0642\u0627\u0628\u0644\u06cc\u062a \u0631\u0627 \u0628\u0647 \u0634\u06a9\u0644 \u0632\u06cc\u0631 \u0627\u0632 \u06a9\u0627\u0631 \u0628\u06cc\u0646\u062f\u0627\u0632\u06cc\u0645. \u062f\u0631 \u0627\u06cc\u0646\u0635\u0648\u0631\u062a \u0642\u0627\u0628\u0644\u06cc\u062a Lazy Loading \u0648 \u0628\u0631\u062e\u06cc \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0627\u0632 \u06a9\u0627\u0631 \u0627\u0641\u062a\u0627\u062f\u0647 \u0648 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0633\u0631\u0648\u06cc\u0633 \u0647\u0627\u06cc WCF \u0631\u0627 \u062e\u0648\u0627\u0647\u0646\u062f \u062f\u0627\u0634\u062a.<\/p>\n

public Customer GetFirstCustomer()
\n{ using(var context = new CustomerDBEntities())
\n{
\ncontext.Configuration.ProxyCreationEnabled = false;
\nvar firstCustomer = context.Customers.FirstOrDefault() return firstCustomer;
\n}
\n}<\/p>\n

\u062f\u0631 \u0645\u062a\u062f \u0628\u0627\u0644\u0627 \u0648\u06cc\u0698\u06af\u06cc ProxyCreationEnabled \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u06a9\u0644\u0627\u0633 DbContext \u0631\u0627 \u063a\u06cc\u0631 \u0641\u0639\u0627\u0644 \u0646\u0645\u0648\u062f\u0647 \u0627\u06cc\u0645 \u0648 \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u067e\u0631\u0648\u06a9\u0633\u06cc \u0647\u0627\u06cc \u062f\u0627\u06cc\u0646\u0627\u0645\u06cc\u06a9 \u062a\u0648\u0644\u06cc\u062f \u0646\u062e\u0648\u0627\u0647\u0646\u062f \u0634\u062f \u0648 \u0646\u062a\u06cc\u062c\u0647 \u06a9\u0648\u0626\u0631\u06cc \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0633\u0631\u0648\u06cc\u0633 \u0647\u0627\u06cc WCF \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f.<\/p>\n

\u0647\u0631 \u06af\u0648\u0646\u0647 \u06a9\u067e\u06cc \u0628\u0631\u062f\u0627\u0631\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628 \u062a\u0646\u0647\u0627 \u0628\u0627 \u062f\u0631\u062c \u0644\u06cc\u0646\u06a9 \u0627\u06cc\u0646 \u0635\u0641\u062d\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u0646\u0628\u0639 \u0627\u0632 \u0648\u0628\u0644\u0627\u06af \u062f\u06cc \u062a\u0644\u06a9\u0627\u0645 \u0628\u0644\u0627\u0645\u0627\u0646\u0639 \u0627\u0633\u062a<\/strong><\/p>\n

\u0645\u0637\u0627\u0644\u0628 \u0645\u0631\u062a\u0628\u0637:<\/p>\n

\u062e\u0631\u06cc\u062f \u0647\u0627\u0633\u062a \u0628\u0631\u0627\u06cc MVC<\/b><\/a><\/p>\n

\u0645\u062f\u0644 \u0648\u06cc\u0648-\u0648\u06cc\u0648 \u0645\u062f\u0644 MVVM<\/a><\/strong><\/p>\n

\u0646\u06a9\u062a\u0647 \u0647\u0627\u06cc \u0641\u0631\u06cc \u0644\u0646\u0633\u0631\u06cc \u06cc\u0627 \u062f\u0648\u0631\u06a9\u0627\u0631\u06cc<\/b><\/a><\/p>\n

\u0645\u0648\u0627\u0631\u062f \u0645\u0647\u0645 \u062f\u0631 \u0637\u0631\u0627\u062d\u06cc \u0633\u0627\u06cc\u062a<\/a><\/b><\/p>\n

\u0633\u0627\u062e\u062a \u06a9\u067e\u0686\u0627<\/b><\/a><\/p>\n

\u0646\u0635\u0628 \u0648\u0631\u062f\u067e\u0631\u0633<\/b><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc Entity Framework CodeFirst \u062f\u0631 WCF WCF \u0686\u06cc\u0633\u062a\u061f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc Entity Framework CodeFirst \u062f\u0631 WCF\u00a0 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627 WCF\u00a0 \u0622\u0634\u0646\u0627 \u0647\u0633\u062a\u06cc\u0645 \u0648\u0644\u06cc \u0628\u0647 \u062c\u0647\u062a \u062d\u0641\u0638 \u0633\u0627\u062e\u062a\u0627\u0631 \u0645\u0642\u0627\u0644\u0647 \u0630\u06a9\u0631 \u0627\u06cc\u0646 \u0646\u06a9\u062a\u0647 \u0636\u0631\u0648\u0631\u06cc \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc […]<\/p>\n","protected":false},"author":2,"featured_media":3019,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-3016","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web"],"yoast_head":"\n\u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc Entity Framework CodeFirst \u062f\u0631 WCF - \u0648\u0628\u0644\u0627\u06af \u062f\u06cc \u062a\u0644\u06a9\u0627\u0645<\/title>\n<meta name=\"description\" content=\"\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc Entity Framework CodeFirst \u062f\u0631 WCF \u0628\u0631\u0627\u062d\u062a\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646 \u0645\u0634\u06a9\u0644 \u062a\u0648\u0627\u0631\u062b \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0627\u0632 \u06a9\u0644\u0627\u06cc\u0646\u062a \u0628\u0647 ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/day.ir\/blog\/web\/codefirst-wcf\/\" \/>\n<meta property=\"og:locale\" content=\"fa_IR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc Entity Framework CodeFirst \u062f\u0631 WCF - \u0648\u0628\u0644\u0627\u06af \u062f\u06cc \u062a\u0644\u06a9\u0627\u0645\" \/>\n<meta property=\"og:description\" content=\"\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc Entity Framework CodeFirst \u062f\u0631 WCF \u0628\u0631\u0627\u062d\u062a\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646 \u0645\u0634\u06a9\u0644 \u062a\u0648\u0627\u0631\u062b \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0627\u0632 \u06a9\u0644\u0627\u06cc\u0646\u062a \u0628\u0647 ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/day.ir\/blog\/web\/codefirst-wcf\/\" \/>\n<meta property=\"og:site_name\" content=\"\u0648\u0628\u0644\u0627\u06af \u062f\u06cc \u062a\u0644\u06a9\u0627\u0645\" \/>\n<meta property=\"article:published_time\" content=\"2013-03-29T11:12:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-12-25T11:37:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/day.ir\/blog\/wp-content\/uploads\/2022\/12\/cfirst.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"196\" \/>\n\t<meta property=\"og:image:height\" content=\"257\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"jafar broujerdi\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0646\u0648\u0634\u062a\u0647\u200c\u0634\u062f\u0647 \u0628\u062f\u0633\u062a\" \/>\n\t<meta name=\"twitter:data1\" content=\"jafar broujerdi\" \/>\n\t<meta name=\"twitter:label2\" 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