private void btnAdd_Click(object sender, EventArgs e)
{
if (txtName.Text == "" || dtDate.Text == "" || txtPhone.Text == "" || txtAddress.Text == "" || rdFemale.Checked == false && rdMale.Checked == false)
{
MessageBox.Show("Điền đầy đủ thông tin !");
}
else
{
tbHocSinh add = new tbHocSinh();
add.hocSinh_Name = txtName.Text;
add.hocSinh_NgaySinh = Convert.ToDateTime(dtDate.Text);
add.hocSinh_Phone = txtPhone.Text;
add.hocSinh_Address = txtAddress.Text;
if (rdMale.Checked)
{
add.hocSinh_Gender = true;
}
else
{
add.hocSinh_Gender = false;
}
db.tbHocSinhs.InsertOnSubmit(add);
db.SubmitChanges();
MessageBox.Show("Đã thêm thành công !");
getdata();
}
}
//---------Nút Xóa Học sinh---------
private void btnRemove_Click(object sender, EventArgs e)
{
foreach (DataGridViewRow row in grvList.Rows)
{
bool isSelected = Convert.ToBoolean(row.Cells[0].Value);
if (isSelected)
{
int id_hs = Convert.ToInt32(row.Cells[1].Value.ToString());
tbHocSinh del = (from hs in db.tbHocSinhs where hs.hocSinh_Id == id_hs select hs).SingleOrDefault();
db.tbHocSinhs.DeleteOnSubmit(del);
db.SubmitChanges();
}
}
MessageBox.Show("xoa thanh cong");
getDuLieuHocSinhConLai();
}
