如何通過自定義驗證器驗證gridview是否爲空？

Question

如何通過custom validator驗證GridView控件的空虛：

---

<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

試試這個..

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