"当前页的脚本发生错误" ,"缺少对象" 在<asp:Button ID="lblToInvoic" runat="server" OnClientClick="fff()" CssClass="btn2" Text="开发票" OnClick="lblToInvoic_Click" />写了OnClientClick="fff()" 实际在页面顶上却没有fff()函数,会报:"当前页的脚本发生错误" ,"缺少对象"