private void UpdateSoLuongMatHang()
{
tblmathangtraBL ctrmathangban = new tblmathangtraBL();
tblmathangBL ctrmathang = new tblmathangBL();
DataTable dt = new DataTable();
dt = ctrmathangban.GetByHDID(txtID.Text.Trim());
for (int i = 0; i < dt.Rows.Count; i++)
{
string sidmathang = "";
try { sidmathang = dt.Rows[i]["id_mathang"].ToString().Trim(); }
catch { }
string sidmathangban = "";
try { sidmathangban = dt.Rows[i]["id"].ToString().Trim(); }
catch { }
if (sidmathang.Trim().Equals("") == false && sidmathangban.Trim().Equals("") == false)
{
tblmathangtra objmathangban = new tblmathangtra();
objmathangban = ctrmathangban.GetByID(sidmathangban);
tblmathang objmathang = new tblmathang();
objmathang = ctrmathang.GetByID(sidmathang);
objmathang.soluong = objmathang.soluong - objmathangban.soluong;
try { ctrmathang.Update(objmathang); }
catch { }
}
}
}
private void HienThiDSMatHang()
{
try
{
DataTable dt = new DataTable();
tblmathangtraBL ctr = new tblmathangtraBL();
dt = ctr.GetByHDID(txtID.Text.Trim());
dt.Columns.Add("tt", typeof(Int32));
flxMatHang.DataSource = dt;
FormatGridMatHang();
}
catch { }
}