update panel with image button

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I am tring to create like functionality in my project, user can click on image button to like the profile and click again to dislike the profile. Everything working fine but when i click on image button it refresh the whole page. I don't want to refresh whole page so i added update panel but still page is refreshing.

ASP.NET

<asp:ScriptManager ID="ScriptManager1" runat="server">
    </asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
                    <ContentTemplate>
                    <tr>
                        <td colspan="5">
                            &nbsp;<asp:ImageButton ID="btn_like" runat="server" ToolTip="Like this Ad" onclick="btn_like_Click1" />                            
                        </td>
                    </tr>
                    </ContentTemplate>
                    </asp:UpdatePanel>

Posted 4-Jul-14 3:32am

Raj Negi

Updated 4-Jul-14 3:33am

v2

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Accepted Answer · 2014-07-04T04:15:00

Solution 1

Add one AsyncPostBackTrigger.

ASP.NET

<Triggers>
    <asp:AsyncPostBackTrigger ControlID="btn_like" EventName="Click" />
</Triggers>

Posted 4-Jul-14 4:15am

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

Comments

Raj Negi 4-Jul-14 10:27am

it is still refreshing the page.

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 4-Jul-14 11:35am

It should work. Read - Understanding ASP.NET AJAX UpdatePanel Triggers

Raj Negi 5-Jul-14 15:07pm

i am doing some mistake. it's working now, thanks

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 5-Jul-14 15:07pm

Cool. :)