服务器 按钮 通过js验证 再 触发 提交 事件

[一篮饭特稀原创，转载请注明出处http://www.cnblogs.com/wanghafan/archive/2012/05/10/2493864.html]

js脚本正则判空和数字验证

View Code

 1 <script type="text/javascript">

 2      function CheckNullAndType()

 3      {

 4         var ErrorStr='';

 5         if($('#tb_FContractName').val().replace(/(^\s*)|(\s*$)/g, "")=='') ErrorStr+=$('#lb_FContractName').text()+"不能为空;\r\n";

 6         if($('#hid_ConstructionUnitID').val().replace(/(^\s*)|(\s*$)/g, "")=='') ErrorStr+=$('#lb_ConstructionUnitID').text()+"不能为空;\r\n";

 7         if($('#hid_Professional').val().replace(/(^\s*)|(\s*$)/g, "")=='') ErrorStr+=$('#lb_Professional').text()+"不能为空;\r\n";        

 8         if(ErrorStr=='')

 9         {

10             var reg = new RegExp("^[0-9]*$"); 

11             if(!reg.test($('#tb_FContractCount').val())) ErrorStr+=$('#lb_FContractCount').text()+"必须为整数;\r\n";

12             if(!reg.test($('#tb_BackCount').val())) ErrorStr+=$('#lb_BackCount').text()+"必须为整数;\r\n";

13             reg = new RegExp("^([+-]?)\\d*\\.?\\d+$"); 

14             if(!reg.test($('#tb_FeeStandards').val())) ErrorStr+=$('#lb_FeeStandards').text()+"必须为数字;\r\n";

15             if(!reg.test($('#tb_TotalFee').val())) ErrorStr+=$('#lb_TotalFee').text()+"必须为数字;\r\n";

16             if(!reg.test($('#tb_FContractMonney').val())) ErrorStr+=$('#lb_FContractMonney').text()+"必须为数字;\r\n";

17             if(ErrorStr=='')

18             {

19                 return true;

20             }

21              else

22             {

23                 alert(ErrorStr);

24                 return false;

25             }

26         }

27         else

28         {

29             alert(ErrorStr);

30             return false;

31         }

32      }

33     </script> 

 html按钮

View Code

1 <form id="form1" runat="server">   

2      <asp:Button CssClass="btn_Common" runat="server" Text="保存" ID="btn_OK" OnClick="btn_OK_Click"/> 

3 </form> 

 后台代码

View Code

1 protected void Page_Load(object sender, EventArgs e)

2  {

3           if (!IsPostBack)  

4            {

5                btn_OK.Attributes.Add("onClick", "return CheckNullAndType()");   

6            }

7 }