Getting a Return Value in C# asp.net from a stored procedure (syntax issue)

Question

I am having issues trying to get the syntax correct for my C# 2008 asp.net code. I need to get a return value (Select @@Identity) from my stored procedure

My C# code

Answer 1

SqlParameter parameterReturnValue = new SqlParameter("ReturnValue", SqlDbType.Int, 4);
parameterReturnValue.Direction = ParameterDirection.ReturnValue;
cmdHeader.Parameters.Add(parameterReturnValue);

//Execute your command
cmdHeader.ExecuteNonQuery();

//Get the return value
int returnvalue = (int)myCommand.Parameters["ReturnValue"].Value;