public List <SV> Update(SV s)
{
int i = 0;
for (; i < listSV.Count; i++)
{
if (listSV[i].mssv == s.mssv)
{
listSV[i].name = s.name;
listSV[i].birthday = s.birthday;
listSV[i].address = s.address;
listSV[i].gender = s.gender;
}
}
return(this.listSV);
}
public List <SV> AddSV(SV s)
{
listSV.Add(s);
return(this.listSV);
}