SYNTAX ERROR IN ScriptManager.RegisterClientScript when using AJAX CONTROL TOOLKIT on the same page .

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Hi all, I am showing an alert message from code behind using ScriptManager.RegisterClientScript .Initially its working as it should be but when i used a ajax control toolkit on the page its not working and showing a syntax error enexpected identifier ....

here i attached my code ...

HTML PAGE SOURCE ....

XML

<%--Balloon Popup--%>
                                                               <asp:BalloonPopupExtender
                                                                   ID="BalloonPopupExtender1"
                                                                   runat="server"
                                                                   BalloonPopupControlID="pnlBalloonPopup"
                                                                   TargetControlID="coapplicantsTD"
                                                                   Position="TopRight"
                                                                   BalloonStyle="Rectangle">
                                                               </asp:BalloonPopupExtender>

                                                               <td class="coapplicants" runat="server" id="coapplicantsTD">
                                                                   <asp:Panel runat="server" style="display:none;" ID="pnlBalloonPopup" CssClass="pnlballoon">
                                                                   <table border="1" style="width: 100%; border-collapse: collapse;">
                                                                       <tr runat="server"  id="noitems" >
                                                                           <td colspan="4" style="font-size:15px;">
                                                                               No Co-Applicants added.
                                                                           </td>
                                                                       </tr>
                                                                       <asp:Repeater runat="server" ID="rptCoapplicants">
                                                                           <HeaderTemplate>
                                                                               <tr>
                                                                                   <td>Sl. No.</td>
                                                                                   <td>Co-Applicant Name</td>
                                                                                   <td>Co-Applicant Father's Name</td>
                                                                                   <td>Co-Applicant's Voter Id</td>
                                                                               </tr>
                                                                           </HeaderTemplate>
                                                                           <ItemTemplate>
                                                                               <tr>
                                                                                   <td><span><%#Eval("SerialNo") %></span></td>
                                                                                   <td><span><%#Eval("CoApplicantName") %></span></td>
                                                                                   <td><span><%#Eval("CoApplicantFatherName") %></span></td>
                                                                                   <td><span><%#Eval("CoApplicantVoterId") %></span></td>
                                                                               </tr>
                                                                           </ItemTemplate>
                                                                       </asp:Repeater>
                                                                   </table>
                                                               </asp:Panel>
                                                                   <span>Click To Show</span></td>

                                                               <%--End--%>

Code Behind

C#

ScriptManager.RegisterStartupScript(this, this.GetType(), "errormsg", "alert('CLUSTER FROM A SINGLE GP AT A TIME !!!!')", true);

Posted 19-Feb-15 20:42pm

kumar nitesh

Updated 19-Feb-15 20:43pm

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2 solutions

Solution 1

Can't see the Ajax script manager on page, for Ajax to work in asp.net, you should have Script manager registered. For more info:
https://msdn.microsoft.com/en-us/magazine/cc163354.aspx[^]

Posted 19-Feb-15 21:36pm

SaranshSrivastava

Comments

kumar nitesh 20-Feb-15 4:59am

yes i have added ajax scriptmanager in master page and ajax control is working perfectly .but the client script in not working .throwing a javascript error unexpected identifier

SaranshSrivastava 22-Feb-15 12:10pm

Ok. Then try this:

ScriptManager.RegisterStartupScript(this, GetType(), "errormsg","alert('my message');", true);

I think semi colon is missing in your JS function.

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Accepted Answer · 2015-02-19T23:24:00

Change your code...

C#

ScriptManager.RegisterStartupScript(this, this.GetType(), "errormsg", "alert('CLUSTER FROM A SINGLE GP AT A TIME !!!!')", true);

to...

C#

ScriptManager.RegisterStartupScript(this, this.GetType(), "errormsg", "alert('CLUSTER FROM A SINGLE GP AT A TIME !!!!');", true);

Just a semicolon and you are good.

This is because the code which will follow this line when rendered won't work because this line is invalid due to the missing semicolon.