How to run smart contract function using nethereum to return a result

Question

This is the function:

function getUserAtIndex(uint index)
    public
    constant
    returns(bytes32 userKey)
  {
    return userIndex[index];
  }

I've deployed the contract and can get the function using:

  var getUserAtIndex = contract.GetFunction("getUserAtIndex");

Answer 1

Try this:

var result = getUserAtIndex.CallAsync<byte[]>(123);