function validated() { var cal1=document.getElementById('<%=EndDateTwo.ClientId%>').value; var cal2= document.getElementById('<%=StartDateTwo.ClientId%>').value; if (cal1 == '' || cal2 == '') { alert("Start Date and End Date can not bleft blank."); return false; } var dt1 = Date.parse(cal1); var dt2 = Date.parse(cal2); if (dt1 <= dt2) { alert("End Date must occur after the Start date "); return false; } return true;
<asp:TextBox ID="StartDateTwo" runat="server"></asp:TextBox> <asp:HyperLink ID="hypCalenStartTwo" runat="server" ImageUrl="~/images/ico-cal.gif"></asp:HyperLink> <ajax:CalendarExtender ID="StartDatePickerTwo" runat="server" PopupButtonID="hypCalenStartTwo" TargetControlID="StartDateTwo" SelectedDate='<%# Datetime.Today() %>' Format="MM/dd/yyyy"> </ajax:CalendarExtender> <asp:TextBox ID="EndDateTwo" runat="server" ></asp:TextBox> <asp:HyperLink ID="HypCalenEndTwo" runat="server" ImageUrl="~/images/ico-cal.gif"></asp:HyperLink> <ajax:CalendarExtender ID="EndDatePickertwo" runat="server" PopupButtonID="hypCalenEndTwo" TargetControlID="EndDateTwo" SelectedDate="<%# Datetime.Today() %>" Format="MM/dd/yyyy"> </ajax:CalendarExtender>
var
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