asp.net button 提交前验证

1. js:<script type="text/javascript">   
2.         function test() {   
3.             var isCheck = document.getElementById('checkbox').checked;   
4.             if (isCheck) {   
5.           //Page_ClientValidate('submit'),这里有不同的ValidGroup,所以Page_ClientValidate传递是指定的GroupName   
6.                 if (Page_ClientValidate('submit')) {   
7.                      alert('验证成功');   
8.                     return true;   
9.                  }   
10.              }   
11.             else {   
12.                  alert('您必须同意注册协议');   
13.                 return false;   
14.              }   
15.   
16.             return false;   
17.          }   
18.      </script>  

1. <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>  
2.        <asp:Button ID="Button1" runat="server" Text="Button" ValidationGroup="submit" CausesValidation="True"  
3.            OnClientClick="return test();" OnClick="Button1_Click" />  
4.        <input type="checkbox" id="checkbox" />我已阅读注册协议   
5.        <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="TextBox1"  
6.            Display="Dynamic" ErrorMessage="不能为空" ValidationGroup="submit"></asp:RequiredFieldValidator>  

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> <asp:Button ID="Button1" runat="server" Text="Button" ValidationGroup="submit" CausesValidation="True" OnClientClick="return test();" OnClick="Button1_Click" />

转载于:https://www.cnblogs.com/tyf0422/archive/2013/03/28/2986558.html

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