/// <summary>
        ///
        /// </summary>
        /// <param name="DVP"></param>
        /// <returns></returns>
        public DVP CreateDVP(string DVP)
        {
            DVP newDVP = new DVP();

            newDVP.Name = DVP;
            return(CreateDVP(newDVP));
        }
        public DVP UpdateDVP(DVP DVP)
        {
            var c = ctx.DVP.Where(x => x.ID == DVP.ID).First();

            if (c != null)
            {
                c.Name = DVP.Name;
                ctx.SaveChanges();
            }
            return(c);
        }
 /// <summary>
 /// Create DVP and at least one DVP sign in.
 /// </summary>
 /// <param name="DVP"></param>
 /// <returns></returns>
 public DVP CreateDVP(DVP DVP)
 {
     ctx.DVP.Add(DVP);
     ctx.SaveChanges();
     return(DVP);
 }