Try this in web application

interface IClass1{void method1();}

interface IClass2{void method1();}

public partial class MyTestPage : System.Web.UI.Page,IClass1,IClass2

{

protected void Page_Load(object sender, EventArgs e)

{

((IClass1)this).method1();

((IClass2)this).method1();

}

void IClass1.method1()

{

Response.Write("Class1 method1");

}

void IClass2.method1()

{

Response.Write("Class2 method1");

}

}

Sarath babu G

Interface Ihello1

{

     void hello();

}

Interface Ihello2

{

     void hello();

}

public class Imphello : Ihello1,Ihello2

{

      void Ihello1.hello()

{

  console.Writeline("interface 1 hello");

}

   void Ihello2.hello()

{

  console.Writeline("interface 2 hello");

}

public static void Main()

{

       Imphello obj = new Imphello();

      obj.Ihello1.hello();

     obj.Ihello2.hello();

}

}

/*but it throw error that Ihello1.hello() and Ihello2.hello(); not present in the class.

one more thing we have to implement this without creating two instances like Ihello1 obj = new Imphello(); and Ihello2 obj = new Imphello();  give the ans */