private void cboMaNL_SelectedIndexChanged(object sender, EventArgs e)
{
NguyenLieuNhap ma = (NguyenLieuNhap)nl.timMaNL(cboMaNL.SelectedValue.ToString());
if (ma != null)
{
txtTen.Text = ma.TenNguyenLieu.ToString();
txtDonGia.Text = ma.DonGia.ToString();
cboDVT.Text = ma.DonViTinh.ToString();
}
}
public decimal getDonGiaByMaNL(string maNL)
{
NguyenLieuNhap nl = ql.NguyenLieuNhaps.FirstOrDefault(t => t.MaNguyenLieu.Equals(maNL));
if (nl != null)
{
return((decimal)nl.DonGia);
}
else
{
return(-1);
}
}
private void btnTao_Click(object sender, EventArgs e)
{
try
{
btnTao.Enabled = false;
btnThem.Enabled = true;
cboMaNL.Enabled = false;
string ma = nl.phatSinhMaTuDong();
cboMaNL.Text = ma;
pTemp = new NguyenLieuNhap();
pTemp.MaNguyenLieu = cboMaNL.Text;
pTemp.TenNguyenLieu = txtTen.Text;
pTemp.DonViTinh = cboDVT.SelectedValue.ToString();
pTemp.DonGia = Convert.ToDecimal(txtDonGia.Text.ToString());
txtTen.Text = " ";
txtDonGia.Text = " ";
txtTen.Focus();
}catch (Exception ex)
{
}
}
private void btnLuu_Click(object sender, EventArgs e)
{
btnTao.Enabled = true;
try
{
DialogResult r = MessageBox.Show("Muốn lưu tất cả?", "Không thể sửa xóa nữa", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (r == DialogResult.Yes)
{
dgvNguyenLieu.Enabled = true;
bool kq = nl.them(lstNL);
if (kq == true)
{
btnTao.Enabled = true;
btnLuu.Enabled = false;
load_cboMaNL();
load_dgvNL();
pTemp = null;
MessageBox.Show("Thành công", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Information);
btnThem.Enabled = false;
btnXoa.Enabled = false;
cboMaNL.Enabled = true;
lstNL.Clear();
}
else
{
MessageBox.Show("Lưu thất bại", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
catch (Exception ex)
{
}
}
