/// <summary>
        /// Form keydown for quick access
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void frmPurchaseOrder_KeyDown(object sender, KeyEventArgs e)
        {
            try
            {
                if (e.KeyCode == Keys.Escape)
                {
                    if (PublicVariables.isMessageClose)
                    {
                        Messages.CloseMessage(this);
                    }
                    else
                    {
                        this.Close();
                    }
                }
                if (e.KeyCode == Keys.S && Control.ModifierKeys == Keys.Control)
                {
                    btnSave.Focus();
                    btnSave_Click(sender, e);
                }
                if (btnDelete.Enabled == true)
                {
                    if (e.KeyCode == Keys.D && Control.ModifierKeys == Keys.Control)
                    {

                        btnDelete_Click(sender, e);
                    }
                }
                if (e.KeyCode == Keys.C && Control.ModifierKeys == Keys.Alt)
                {
                    if (dgvPurchaseOrder.CurrentCell != null)
                    {
                        if (dgvPurchaseOrder.CurrentCell == dgvPurchaseOrder.CurrentRow.Cells["dgvtxtProductName"] || dgvPurchaseOrder.CurrentCell == dgvPurchaseOrder.CurrentRow.Cells["dgvtxtProductCode"])
                        {
                            SendKeys.Send("{F10}");
                            if (dgvPurchaseOrder.Columns[dgvPurchaseOrder.CurrentCell.ColumnIndex].Name == "dgvtxtProductName" || dgvPurchaseOrder.Columns[dgvPurchaseOrder.CurrentCell.ColumnIndex].Name == "dgvtxtProductCode")
                            {
                                frmProductCreation frmProductCreationObj = new frmProductCreation();
                                frmProductCreationObj.MdiParent = formMDI.MDIObj;
                                frmProductCreationObj.CallFromPurchaseOrder(this);
                            }
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("PO62:" + ex.Message, "OpenMiracle", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
        }