how to write insert query

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hi all,

i have a sql table(emp_id,ename,e_sal).now i want to inserting some rows through the client application.
here i need to create a wcf service to inserting the data into sqldatabase through the LINQ for that how can create a wcf service to inserting the data into sqlDB.

note: this service has three inserting parameters are(emp_id,ename,e_sal).

please any body help to me.
thanks in advance.......

thanks and regards,
naresh

Posted 21-May-12 20:46pm

Unareshraju

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Tomas Ruksenas · Answer 1 · 2012-05-21T20:55:00

you can make this:

C#

[DataContract]
public class Employee
{
  [DataMember]
  public int Id;

  [DataMember]
  public string Name;

  [DataMember]
  public decimal Salary;
}

[ServiceContract]
public interface IService
{
  [OperationContract]
  void AddEmployee(Employee employee);
}

Implement method AddEmployee in server and just call it from client. Client should now nothing about SQL, otherwise its no point to make WCF.

As for insert phase implementation it has nothing to do with WCF. Refer to LinqToSQL using-linq-to-sql-part-1 or Simple-LINQ-to-SQL-in-C

If you have DataContext then you can do following:

C#

// connect
MyDataCotext db = new MyDataCotext();

// generate new record
EmployeeRecord/*(this is what comes from DBContext)  */ emp = new EmployeeRecord();

// assign values
emp.Id = Employee.Id
emp.Name = Employee.Name
emp.Salary = Employee.Salary

// add to database
db.EmployeeRecords.Add(emp);
db.SubmitChanges();