public SinhVienViewModel()
{
updateSinhVien();
ModifyCommand = new RelayCommand <UIElementCollection>((p) => p != null, (p) => {
int id = 0;
string ten = "";
bool isIDInt = false;
foreach (var item in p)
{
TextBox a = item as TextBox;
if (a == null)
{
continue;
}
switch (a.Name)
{
case "txbID":
isIDInt = Int32.TryParse(a.Text, out id);
break;
case "txbTen":
ten = a.Text;
break;
}
}
if (!isIDInt || string.IsNullOrEmpty(ten))
{
return;
}
SinhVien b = new SinhVien()
{
Id = id, Ten = ten
};
SinhVienDAL.ModifySinhVien(b);
updateSinhVien();
});
DeleteCommand = new RelayCommand <object>((p) => p != null, (p) => {
SinhVienDAL.DeleteSinhVien(p as SinhVien);
updateSinhVien();
});
AddCommand = new RelayCommand <UIElementCollection>((p) => p != null, (p) => {
int id = 0;
string ten = "";
bool isIDInt = false;
foreach (var item in p)
{
TextBox a = item as TextBox;
if (a == null)
{
continue;
}
switch (a.Name)
{
case "txbID":
isIDInt = Int32.TryParse(a.Text, out id);
break;
case "txbTen":
ten = a.Text;
break;
}
}
if (!isIDInt || string.IsNullOrEmpty(ten))
{
return;
}
SinhVien b = new SinhVien()
{
Id = id, Ten = ten
};
SinhVienDAL.AddSinhVien(b);
updateSinhVien();
});
}