c# - 如何通过自定义验证器验证 gridview 是否为空？

Question

如何通过以下方式验证 gridview 是否为空custom validator：

---

 <asp:CustomValidator ID="CustomValidator1" runat="server" ErrorMessage="!!! "
                                        ControlToValidate="GridView1" ValidationGroup="Add_valid" OnServerValidate="CustomValidator1_ServerValidate"></asp:CustomValidator>

---

  protected void CustomValidator1_ServerValidate(object source, ServerValidateEventArgs args)
  {

  }

Answer 1

试试这个..

 protected void CustomValidator1_ServerValidate(object source, ServerValidateEventArgs args)
  {
if(yourGridViewId.Rows.Count<1)
args.IsValid=false;
  }