/// <summary>
        /// Deletes the resume theme.
        /// </summary>
        /// <param name="resumeTheme">The resume theme.</param>
        public static void DeleteResumeTheme(ResumeTheme resumeTheme)
        {
            if (resumeTheme == null ||
                resumeTheme.Id < 1)
                throw new CustomException("Invalid part of resume","Can`t delete this value");

            ResumeTheme.Delete(resumeTheme);
            Context.SaveChanges();
        }
        /// <summary>
        /// Adds the resume theme.
        /// </summary>
        /// <param name="resumeTheme">The resume theme.</param>
        public static void AddResumeTheme(ResumeTheme resumeTheme)
        {
            if (resumeTheme == null ||
                resumeTheme.ResumeId < 1 ||
                resumeTheme.ThemeId < 1 ||
                resumeTheme.SkillId < 1)
                throw new CustomException("Invalid part of resume","Can`t add this value");

            ResumeTheme.Add(resumeTheme);
            Context.SaveChanges();
        }