C# and Amazon web services related

Ok. Here's everything you'll need for the project [login to view URL] [login to view URL] [login to view URL] [login to view URL] I need someone who is expert in C# and Amazon Web Services. I keep getting an error that states ItemAttributes already has a definition for value. Is there a way around this? Here's the code: ItemAttributesCreator c = default(ItemAttributesCreator); string dlm = null; switch ([login to view URL]) { case "Orchestra": [login to view URL] = [login to view URL](); break; case "Composer": break; case "Various Composers": if ([login to view URL]([login to view URL])) dlm = ""; else dlm = ", "; [login to view URL] += dlm + [login to view URL](); break; } if (dlm == ", ") { [login to view URL] = "Various Composers"; } }I need someone who is expert in C# and Amazon Web Services. I keep getting an error that states ItemAttributes already has a definition for value. Is there a way around this? pls correct this error and send me with screenshot need more tasks to be done