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POCalendar Extender SelectedDate Null
 

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    <p>I have a calendar extender "addHoliday", but every time I select a value and try to retrieve that value in the code behind it's null. I'm not sure why this would be.</p> <p>TABLE</p> <pre><code>&lt;asp:Table runat="server"&gt; &lt;asp:TableRow&gt; &lt;asp:TableHeaderCell HorizontalAlign="Left"&gt;Day:&lt;/asp:TableHeaderCell&gt;&lt;asp:TableCell&gt; &lt;asp:DropDownList ID="ddlAddDay" runat="server"&gt; &lt;asp:ListItem Text="Sunday" Value="0"&gt;&lt;/asp:ListItem&gt; &lt;asp:ListItem Text="Monday" Value="1"&gt;&lt;/asp:ListItem&gt; &lt;asp:ListItem Text="Tuesday" Value="2"&gt;&lt;/asp:ListItem&gt; &lt;asp:ListItem Text="Wednesday" Value="3"&gt;&lt;/asp:ListItem&gt; &lt;asp:ListItem Text="Thursday" Value="4"&gt;&lt;/asp:ListItem&gt; &lt;asp:ListItem Text="Friday" Value="5"&gt;&lt;/asp:ListItem&gt; &lt;asp:ListItem Text="Saturday" Value="6"&gt;&lt;/asp:ListItem&gt; &lt;/asp:DropDownList&gt; &lt;/asp:TableCell&gt;&lt;/asp:TableRow&gt;&lt;asp:TableRow&gt; &lt;asp:TableHeaderCell HorizontalAlign="Left"&gt;Holiday Date:&lt;/asp:TableHeaderCell&gt;&lt;asp:TableCell&gt; &lt;asp:TextBox runat="server" ID="addHolidayBox" AutoPostBack="true" /&gt;&lt;asp:CalendarExtender runat="server" ID="addHoliday" Animated="true" TargetControlID="addHolidayBox" /&gt;&lt;/asp:TableCell&gt;&lt;/asp:TableRow&gt;&lt;asp:TableRow&gt; &lt;asp:TableHeaderCell HorizontalAlign="Left"&gt;Start Time:&lt;/asp:TableHeaderCell&gt;&lt;asp:TableCell&gt; &lt;asp:DropDownList ID="addStartTimeHour" runat="server"&gt;&lt;/asp:DropDownList&gt; &lt;asp:DropDownList ID="addStartTimeMin" runat="server"&gt;&lt;/asp:DropDownList&gt; &lt;asp:DropDownList ID="addStartTimeAmPm" runat="server"&gt; &lt;asp:ListItem&gt;AM&lt;/asp:ListItem&gt; &lt;asp:ListItem&gt;PM&lt;/asp:ListItem&gt; &lt;/asp:DropDownList&gt; &lt;/asp:TableCell&gt;&lt;/asp:TableRow&gt;&lt;asp:TableRow&gt; &lt;asp:TableHeaderCell HorizontalAlign="Left"&gt;End Time:&lt;/asp:TableHeaderCell&gt;&lt;asp:TableCell&gt; &lt;asp:DropDownList ID="addEndTimeHour" runat="server"&gt;&lt;/asp:DropDownList&gt; &lt;asp:DropDownList ID="addEndTimeMin" runat="server"&gt;&lt;/asp:DropDownList&gt; &lt;asp:DropDownList ID="addEndTimeAmPm" runat="server"&gt; &lt;asp:ListItem&gt;AM&lt;/asp:ListItem&gt; &lt;asp:ListItem&gt;PM&lt;/asp:ListItem&gt; &lt;/asp:DropDownList&gt; &lt;/asp:TableCell&gt;&lt;/asp:TableRow&gt;&lt;asp:TableRow&gt; &lt;asp:TableCell&gt;&lt;/asp:TableCell&gt;&lt;asp:TableCell&gt;&lt;asp:Button ID="btnAddHours" runat="server" Text="Add Hours" OnClick="btnAddHours_Click" /&gt;&lt;/asp:TableCell&gt; &lt;/asp:TableRow&gt; </code></pre> <p>C#</p> <pre><code> protected void btnAddHours_Click(object sender, EventArgs e) { hoursDataSource.InsertParameters["HolidayDate"].DefaultValue = addHoliday.SelectedDate.Value.ToString(); } </code></pre>
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