Yes No Cancel buttons for AJAX Modalpopupextender
<p>Does Ajax ModalPopupExtender has an option to create 3 buttons?? Yes, No and Cancel? for Asp.net, c# </p>

<p>I have been trying since few days. But i could not come up with a solution. I can just find OKControlID and CancelControlID. </p>

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<pre><code>&lt;table id="pnlPopupMerchantUpdate" runat="server" style="display:none"&gt;
&lt;tr&gt;
    &lt;td&gt;
        &lt;asp:Panel runat="server" CssClass="modalPopup"&gt;
            &lt;table width="350" height="80" class="warningPopup"&gt;
                &lt;tr&gt;
                    &lt;td&gt;
                        &lt;!-- &lt;img src="images/warning_blue.gif" alt="Warning" /&gt; --&gt;
                    &lt;/td&gt;
                    &lt;td colspan="2" align="left" style="padding-left: 75px; padding-top: 10px;"&gt;
                        Do you wish to update the Location Information as well.
                    &lt;/td&gt;
                &lt;/tr&gt;
                &lt;tr&gt;
                    &lt;td align="center" colspan="4"&gt;
                        &lt;input id="btnYesMerchant" type="button" value="Yes" class="popupButton" causesvalidation="true" onclick="btnYessave_Click"/&gt; 
                        &lt;input id="btnNoMerchant" type="button" value="No" class="popupButton" causesvalidation="true" onclick="btnNosave_Click" /&gt; 
                        &lt;input id="btnCancel" type="button" value="Cancel" class="popupButton"/&gt;                            
                    &lt;/tr&gt;
            &lt;/table&gt;
        &lt;/asp:Panel&gt;
    &lt;/td&gt;
&lt;/tr&gt;
</code></pre>

<p>Here,i do want to call different functions for Yes and No. Can somone help me. Thanks!!</p>
