private void btnDeleteRevenue_Click(object sender, EventArgs e)
        {
            revenue _deleteRevenue = new revenue();

            _deleteRevenue = CustomerDb.GetRevenueById(Revenueid, DatabaseId);
            DialogResult dialogResult = MessageBox.Show(this, "Are you sure you wish to Delete Revenue ", "Delete Revenue", MessageBoxButtons.YesNo, MessageBoxIcon.Information);

            if (dialogResult == DialogResult.Yes)
            {
                CustomerDb.DeleteRevenue(_deleteRevenue);
                BindRevenue(CustomerId);
            }
            else if (dialogResult == DialogResult.No)
            {
                //do something else
            }
            BindRevenue(CustomerId);
        }