public string AddEventForType(string type, string action, string description, string customer)
        {
            DataAccess da = new DataAccess();
            if (da.TypeExist(type, customer))
            {
                if (da.ActionExistForType(type, action, customer))
                {
                    return "'" + action + "' event already exist for " + type;
                }
                else
                {
                    //Tilføjer event til en type
                    if (da.AddEventForType(type, action, description, customer))
                    {
                        return "'" + action + "' event added to " + type;
                    }
                    else
                    {
                        return "failed to add '" + action + "' for " + type;
                    }
                }

            }
            else
            {
                //Lav typen af enhed hos kunden
                if (da.AddType(type, customer))
                {
                    //Tilføjer event til en type
                    if (da.AddEventForType(type, action, description, customer))
                    {
                        return "'" + action + "' event added to " + type;
                    }
                    else
                    {
                        return "failed to add '" + action + "' for " + type;
                    }
                }
                else
                {
                    return type + " type doesn't exist & failed to add it";
                }

            }
        }