/// <summary>
        /// Creates the db.
        /// Data is read from the excel reader and added to the sets Subventions and Participants.
        /// </summary>
        public void CreateDB()
        {
            using (var context = new ReligionDatabaseContext())
            {
                //Clears and delete the database
                context.Database.EnsureDeleted();

                //Creates the database
                context.Database.EnsureCreated();
                ExcelReader excel = new ExcelReader();

                //Adds every Subvention from the ReadSubventionSource SubventionList into the DatabaseContext
                foreach (Subvention s in excel.ReadSubventionSource())
                {
                    context.Subventions.Add(s);
                }
                //Adds every Participant from the ReadParticipantSource ParticipantList into the DatabaseContext
                foreach (Participant p in excel.ReadParticipantSource())
                {
                    context.Participants.Add(p);
                }

                //Saves all Changes to the database
                context.SaveChanges();
            }
        }