public bool Contains(string category, string key) { if (category == "ministries") { return(Ministries != null && Ministries.Contains(key)); } if (category == "sectors") { return(Sectors != null && Sectors.Contains(key)); } if (category == "tags") { return(Tags != null && Tags.Contains(key)); } if (category == "services") { return(Services != null && Services.Contains(key)); } if (category == "newsletters") { return(Newsletters != null && Newsletters.Contains(key)); } if (category == "emergency") { return(Emergency != null && Emergency.Contains(key)); } return(false); }