// Lectures
public static string getAddressSingleLectures(Lectures courses)
{
String baseUrl = $"https://api.mlab.com/api/1/databases/{DB_NAME}/collections/{LECTURES_COLLECTION_NAME}";
StringBuilder stringBuilder = new StringBuilder(baseUrl);
stringBuilder.Append("/" + courses._id.oid + "?apiKey=" + API_KEY);
return(stringBuilder.ToString());
}
public DelLectureData(Lectures lec, DeleteLectureActivity activity)
{
this.activity = activity;
this.lec = lec;
}