Quote:
start method doesn't exist pls tell how to use start merhod
First , answering for the doubt raised in the comment.
MSDN clearly says :
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The Tick event is raised when the number of milliseconds specified in the Interval property has elapsed either since the Web page was rendered or since the previous Tick event.
Can try the suggestion in the first solution .But would like to have the updatemode conditional . Something like below for all the TDs with same interval.
<asp:updatepanel id="UpdatePanel1" runat="server" childrenastriggers="false" updatemode="Conditional" xmlns:asp="#unknown">
<contenttemplate>
</contenttemplate>
<triggers>
<asp:asyncpostbacktrigger controlid="Timer1" />
</triggers>
</asp:updatepanel>
<asp:timer id="Timer1" runat="server" interval="1000" ontick="Timer1_Tick" xmlns:asp="#unknown"> </asp:timer>