private void btn_Them_Click(object sender, EventArgs e)
{
if (txt_madm.Text == "" || txt_tendm.Text == "")
{
MessageBox.Show("không được để trống");
return;
}
DANHMUCSP bb = new DANHMUCSP();
var kt = from s in db.DANHMUCSPs where s.MADMSP == txt_madm.Text.ToString() select s;
if (kt.Count() > 0)
{
MessageBox.Show("Trùng khóa chính");
return;
}
bb.MADMSP = txt_madm.Text;
bb.TENDMSP = txt_tendm.Text;
db.DANHMUCSPs.InsertOnSubmit(bb);
db.SubmitChanges();
frm_dmsp_Load(sender, e);
MessageBox.Show("Thành công");
txt_madm.Text = txt_tendm.Text = "";
}
partial void UpdateDANHMUCSP(DANHMUCSP instance);
partial void DeleteDANHMUCSP(DANHMUCSP instance);
partial void InsertDANHMUCSP(DANHMUCSP instance);
