void ThemPhong()
{
tblPhong dd = new tblPhong();
if (dgvPhong.Rows.Count <= 1)
{
dd.IDPhong = 1;
}
else
{
dd.IDPhong = db.tblPhongs.Select(n => n.IDPhong).Max() + 1;
}
dd.SucChua = int.Parse(txtSucChua.Text);
dd.GiaPhong = int.Parse(txtGiaPhong.Text);
if (ckTrangThai.Checked == true)
{
dd.TrangThai = "Đã Thuê";
}
else
{
dd.TrangThai = null;
}
db.tblPhongs.InsertOnSubmit(dd);
db.SubmitChanges();
}
void XoaPhong()
{
tblPhong dd = db.tblPhongs.Where(n => n.IDPhong == int.Parse(txtIDPhong.Text)).First();
db.tblPhongs.DeleteOnSubmit(dd);
db.SubmitChanges();
}
void SuaPhong()
{
tblPhong dd = db.tblPhongs.Where(n => n.IDPhong == int.Parse(txtIDPhong.Text)).First();
dd.SucChua = int.Parse(txtSucChua.Text);
dd.GiaPhong = int.Parse(txtGiaPhong.Text);
if (ckTrangThai.Checked == true)
{
dd.TrangThai = "Đã Thuê";
}
else
{
dd.TrangThai = null;
}
db.SubmitChanges();
}
partial void DeletetblPhong(tblPhong instance);
partial void UpdatetblPhong(tblPhong instance);
partial void InserttblPhong(tblPhong instance);
