2011-07-26 55 views
-1

可能重複:
Compare 2 dates with JavaScript需要一個JavaScript來比較日期

我想有一個Javascript功能來比較兩個日期,該功能應該是如下

If i given a date as 1-1-2011 and another as 31-12-2011 or 1-1-2011 it should prompt me a message such that date should be greater than the previous one

任何一個可以幫助我

+3

您應該爲此至少搜索! http://stackoverflow.com/questions/492994/compare-2-dates-with-javascript –

+1

你有什麼試過?你會得到什麼錯誤?你的具體問題是什麼? *(很多人都可以幫忙,但不會給你代碼:你需要表現出一些努力)* –

回答

0

我會給你的樣品嚐試根據自己的需要

<script type="text/javascript"> 
    function CompareDates() { 
     var str1 = document.getElementById('<%= txtDate.ClientID %>').value; 
     var str2 = document.getElementById('<%= txtDate1.ClientID %>').value; 
     var dt1 = parseInt(str1.substring(0, 2), 10); 
     var mon1 = parseInt(str1.substring(3, 5), 10); 
     var yr1 = parseInt(str1.substring(6, 10), 10); 
     var dt2 = parseInt(str2.substring(0, 2), 10); 
     var mon2 = parseInt(str2.substring(3, 5), 10); 
     var yr2 = parseInt(str2.substring(6, 10), 10); 
     var date1 = new Date(yr1, mon1, dt1); 
     var date2 = new Date(yr2, mon2, dt2); 
     if (date2 < date1) { 
      alert("To date cannot be greater than from date"); 
      return false; 
     } 
    } 
</script> 

<asp:TextBox ID="txtDate" runat="server"></asp:TextBox> 
     <asp:TextBox ID="txtDate1" runat="server" onBlur="CompareDates();"></asp:TextBox>