private void btnLink_Click(object sender, EventArgs e)
        {
            frmLinkCustomer frm = new frmLinkCustomer(quoteNumber);

            frm.ShowDialog();
            loaddgv();
        }
 public frmManageQuote(int qnum, int newQuote) // if new quote is -1 its a new quote -- if new quote is -2 its a new quote AND imported with csv
 {
     InitializeComponent();
     quoteNumber = qnum;
     if (newQuote == -1 || newQuote == -2)  //if it is a new quote then we need to prompt for the customer and reference to be linked
     {
         frmLinkCustomer frm = new frmLinkCustomer(qnum);
         frm.ShowDialog();
     }
     if (newQuote == -2)
     {
         //frmChkUpdate frm = new frmChkUpdate(qnum);   //commented this out 25/11/2020 - adding buttons in place of this force
         //frm.ShowDialog();
     }
     loaddgv();
 }