Development of Web API within WCF

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WCF

WebForms

API

I just developed a wcf application . Below is the code:

1)IService1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Web;
using System.Text;
using DAL;
namespace Demo
{
// NOTE: You can use the "Rename" command on the "Refactor" menu to change the interface name "IService1" in both code and config file together.
[ServiceContract]
public interface IService1
{

[OperationContract]
string GetData(int value);

[OperationContract]
CompositeType GetDataUsingDataContract(CompositeType composite);

// TODO: Add your service operations here

//Operation Contracts starts here
[OperationContract]

string Test();

[OperationContract]
List<client> GetAllClients();
[OperationContract]
Client GetClientByID(long ClientID);

[OperationContract]
Boolean UpdateClient(Client clientObj);
[OperationContract]
List<client> SearchClients(Client clientObj);
[OperationContract]
List<product> GetAllProducts();
[OperationContract]
Product GetProductByID(long ProductID);
[OperationContract]
Boolean UpdateProduct(Product productObj);
[OperationContract]
List<product> SearchProducts(Product productObj);

[OperationContract]
List<billing> GetAllBills();
[OperationContract]
Invoice GetInvoiceByID(long InvoiceID);
[OperationContract]
Boolean UpdateInvoice(Invoice invoiceObj);
[OperationContract]
List<invoice> SearchInvoices(Invoice invoiceObj);

}


// Use a data contract as illustrated in the sample below to add composite types to service operations.
[DataContract]
public class CompositeType
{
bool boolValue = true;
string stringValue = "Hello ";

[DataMember]
public bool BoolValue
{
get { return boolValue; }
set { boolValue = value; }
}

[DataMember]
public string StringValue
{
get { return stringValue; }
set { stringValue = value; }
}



}
}


2) Service1.svc.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Web;
using System.Text;
using DAL;

namespace Demo
{
// NOTE: You can use the "Rename" command on the "Refactor" menu to change the class name "Service1" in code, svc and config file together.
// NOTE: In order to launch WCF Test Client for testing this service, please select Service1.svc or Service1.svc.cs at the Solution Explorer and start debugging.
public class Service1 : IService1
{
public string GetData(int value)
{
return string.Format("You entered: {0}", value);
}

public CompositeType GetDataUsingDataContract(CompositeType composite)
{
if (composite == null)
{
throw new ArgumentNullException("composite");
}
if (composite.BoolValue)
{
composite.StringValue += "Suffix";
}
return composite;
}

public string Test()
{
return "hello";
}
public List<client> GetAllClients()
{
return DAL.Class1.GetAllClients();
}



public Client GetClientByID(long ClientID)
{
return DAL.Class1.GetClientByID(ClientID);
}

public Boolean UpdateClient(Client clientObj)
{
return DAL.Class1.UpdateClient(clientObj);
}
public List<client> SearchClients(Client clientObj)
{
return DAL.Class1.SearchClients(clientObj);
}
public List<product> GetAllProducts()
{
return DAL.Class1.GetAllProducts();
}
public Product GetProductByID(long ProductID)
{
return DAL.Class1.GetProductByID(ProductID);
}
public Boolean UpdateProduct(Product productObj)
{
return DAL.Class1.UpdateProduct(productObj);
}
public List<product> SearchProducts(Product productObj)
{
return DAL.Class1.SearchProducts(productObj);
}

public List<billing> GetAllBills()
{
return DAL.Class1.GetAllBills();
}
public Invoice GetInvoiceByID(long InvoiceID)
{
return DAL.Class1.GetInvoiceByID(InvoiceID);
}
public Boolean UpdateInvoice(Invoice invoiceObj)
{
return DAL.Class1.UpdateInvoice(invoiceObj);
}
public List<invoice> SearchInvoices(Invoice invoiceObj)
{
return DAL.Class1.SearchInvoices(invoiceObj);
}



}
}

How to develop web apis for this wcf code. Is it possible to implement web api concept using asp.net in this wcf application.