[OperationContractAttribute(Action = "http://tempuri.org/IService1/GetGroupList", 
	ReplyAction = "http://tempuri.org/IService1/GetGroupListResponse")]
DataSet GetGroupList(
	string key
)

<OperationContractAttribute(Action := "http://tempuri.org/IService1/GetGroupList", 
	ReplyAction := "http://tempuri.org/IService1/GetGroupListResponse")>
Function GetGroupList ( 
	key As String
) As DataSet

[OperationContractAttribute(Action = L"http://tempuri.org/IService1/GetGroupList", 
	ReplyAction = L"http://tempuri.org/IService1/GetGroupListResponse")]
DataSet^ GetGroupList(
	String^ key
)

[<OperationContractAttribute(Action = "http://tempuri.org/IService1/GetGroupList", 
	ReplyAction = "http://tempuri.org/IService1/GetGroupListResponse")>]
abstract GetGroupList : 
        key : string -> DataSet