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I have added a calender control to form and I disabled it using the visible property. But Iwant to visible true it when a textbox_textchanged and I did it as the below!

protected void txtDtApp_TextChanged(object sender, EventArgs e)
            clnDates.Visible = true;

But it didn't displayed and I don't know what to do!

Updated Calander Control HTML Code
<asp:Calendar ID="clnDates" runat="server" BackColor="White" 
                        BorderColor="#999999" CellPadding="4" DayNameFormat="Shortest" 
                        Font-Names="Verdana" Font-Size="8pt" ForeColor="Black" Height="180px" 
                        onselectionchanged="clnDates_SelectionChanged" Visible="False" Width="200px">
                        <DayHeaderStyle BackColor="#CCCCCC" Font-Bold="True" Font-Size="7pt" />
                        <NextPrevStyle VerticalAlign="Bottom" />
                        <OtherMonthDayStyle ForeColor="#808080" />
                        <SelectedDayStyle BackColor="#666666" Font-Bold="True" ForeColor="White" />
                        <SelectorStyle BackColor="#CCCCCC" />
                        <TitleStyle BackColor="#999999" BorderColor="Black" Font-Bold="True" />
                        <TodayDayStyle BackColor="#CCCCCC" ForeColor="Black" />
                        <WeekendDayStyle BackColor="#FFFFCC" />
Posted 7-May-13 7:56am
Updated 7-May-13 8:55am
learner'sbug 7-May-13 13:12pm
did you try to debug it ?
Chiranthaka Sampath 7-May-13 13:16pm
Yes I debug it but no answer!
learner'sbug 7-May-13 13:24pm
Is it hitting your code on text change?
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Solution 1

Have you set TextBox property AutoPostBack to true? try this it seems that it is not set true default is false,That's by it is not firing this event.
Chiranthaka Sampath 7-May-13 13:32pm
I have done that but the result is the same!
Shriniwas Shukla 7-May-13 13:36pm
As per my understanding you have disable it before this code so you can enable then try to use visible.It may a solution other wise some more code require from you to understand your correct problem.
Chiranthaka Sampath 7-May-13 13:36pm
Ok it took sometime to popup and your suggestion works! Do you have any idea to speedup the popping up the calendar?
Shriniwas Shukla 7-May-13 13:41pm
it may require to review your code.
Chiranthaka Sampath 7-May-13 13:55pm
Question Updated with the Calendar control HTML!
Shriniwas Shukla 8-May-13 9:06am
if all code is running properly then I think you need to check with other browser like IE
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Solution 2

Its is not the effective way to use the calender , use ajax toolkit calender control , follow the link i've given[^]

If you wan to use in your manner set Autopostback property of textbox true.
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Solution 3

Ok guys I have successfully abled to use JQuery[^] so the problem was solved ! Thanks for the help anyway!

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