public void UpdateSV(string MSSV)
{
int id = SearchSV(MSSV);
if (id != -1)
{
Console.WriteLine("Input Student : ");
SV us = SV.inputSV();
us.pMSSV = MSSV;
ls[id] = us;
Console.WriteLine("Update Successed !");
}
else
{
Console.WriteLine("Update Failed !");
}
}
public void AddSV(SV s)
{
this.ls[index] = s;
this.index++;
}