/// <summary>
 /// For Navigation , Search Ledger and also create a new ledger
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void cmbCashOrParty_KeyDown(object sender, KeyEventArgs e)
 {
     try
     {
         if (e.KeyCode == Keys.Enter)
         {
             cmbDeliveryMode.Focus();
         }
         if (e.KeyCode == Keys.Back)
         {
             if (cmbCashOrParty.Text == string.Empty || cmbCashOrParty.SelectionStart == 0)
             {
                 txtDate.Focus();
                 txtDate.SelectionStart = 0;
                 txtDate.SelectionLength = 0;
             }
         }
         // Cash or Party POP UP when Ctrl+F
         if (e.KeyCode == Keys.F && Control.ModifierKeys == Keys.Control)
         {
             if (cmbCashOrParty.SelectedIndex != -1)
             {
                 frmLedgerPopup frmLedgerPopupObj = new frmLedgerPopup();
                 frmLedgerPopupObj.MdiParent = formMDI.MDIObj;
                 frmLedgerPopupObj.CallFromDeliveryNote(this, Convert.ToDecimal(cmbCashOrParty.SelectedValue.ToString()), "CashOrSundryDeptors");
             }
             else
             {
                 Messages.InformationMessage("Select any cash or party");
             }
             if (e.KeyCode == Keys.C && Control.ModifierKeys == Keys.Alt)
             {
                 SendKeys.Send("{F10}");
                 btnCashOrParty_Click(sender, e);
             }
         }
         // Cash or Party New Creation when Alt+C
         if (e.KeyCode == Keys.C && Control.ModifierKeys == Keys.Alt)
         {
             btnCashOrParty_Click(sender, e);
         }
     }
     catch (Exception ex)
     {
         MessageBox.Show("DN75:" + ex.Message, "OpenMiracle", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
 }