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POUsing CompareValidator and CalenderExtender with unsupported date-format
 

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  1. POUsing CompareValidator and CalenderExtender with unsupported date-format
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    <p>I have a start date and end date field in a form. I have specified format for calender extender. since then, the compare validator is not working. It is always displaying the error message. Please help. I need to show the date in the format "Fri 04 May 2012".</p> <p>Start date field:</p> <pre><code>&lt;asp:TextBox ID="txtStartDate" ReadOnly="true" runat="server" CssClass="textBoxWidth TPRValue" Text='&lt;%#DataBinder.Eval(Container.DataItem, "StartDate", "{0: ddd MM dd, yyyy}")%&gt;'&gt; &lt;/asp:TextBox&gt; &lt;asp:ImageButton ID="imgBtnStartDate" runat="server" ImageUrl="~/Common/Images/Calendar.GIF" CausesValidation="false" ImageAlign="AbsMiddle" /&gt; &lt;ajax:CalendarExtender ID="StartDateCalendar" TargetControlID="txtStartDate" PopupButtonID="imgBtnStartDate" runat="server" Format="ddd MM dd, yyyy"&gt; &lt;/ajax:CalendarExtender&gt; &lt;asp:CompareValidator ID="startDateCompareValidator" runat="server" ControlToValidate="txtStartDate" ControlToCompare="txtEndDate" Enabled="true" Type="Date" Display="Dynamic" Operator="LessThanEqual" Text="Startdate should be &lt;= enddate"&gt; &lt;/asp:CompareValidator&gt; </code></pre> <p>EndDate field:</p> <pre><code>&lt;asp:TextBox ID="txtEndDate" ReadOnly="true" runat="server" CssClass="textBoxWidth TPRValue" Text='&lt;%#DataBinder.Eval(Container.DataItem, "EndDate", "{0: ddd MM dd, yyyy}")%&gt;'&gt; &lt;/asp:TextBox&gt; &lt;asp:ImageButton ID="imgBtnEndDate" runat="server" ImageUrl="~/Common/Images/Calendar.GIF" CausesValidation="false" ImageAlign="AbsMiddle" /&gt; &lt;ajax:CalendarExtender ID="EndDateCalendar" TargetControlID="txtEndDate" PopupButtonID="imgBtnEndDate" runat="server" Format="ddd MM dd, yyyy"&gt; &lt;/ajax:CalendarExtender&gt; </code></pre> <p>Compare validator: </p> <pre><code>&lt;asp:CompareValidator ID="startDateCompareValidator" runat="server" ControlToValidate="txtStartDate" ControlToCompare="txtEndDate" Enabled="true" Type="Date" Display="Dynamic" Operator="LessThanEqual" Text="Startdate should be &lt;= enddate"&gt; &lt;/asp:CompareValidator&gt; </code></pre>
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