C# (CSharp) DBservices.DeleteExpertiseFromSQL示例

示例#1

        public List <Expertise> DeleteExpertise(Expertise exp)
        {
            DBservices db  = new DBservices();
            int        num = db.GetAllExpertisesFromSQL().Count;

            db.DeleteExpertiseFromSQL(exp);
            List <Expertise> expertises = db.GetAllExpertisesFromSQL();

            if (expertises.Count + 1 == num)
            {
                return(expertises);
            }
            else
            {
                return(null);
            }
        }