> Hi all,

> I am trying to use Google search API to get the estimated result of
> some term in my application. The js code looks like:

> <script type="text/javascript">
> var webSearch;
> function getQueryReturnCount(query) {
>    webSearch = new google.search.WebSearch();
>    webSearch.execute(query);
>    return webSearch.cursor.estimatedResultCount;
> }
> </script>

> Then in the page

> <script type="text/javascript">
>            document.write("(" + getQueryReturnCount(<?php echo('"'.
> $topissue.'"');?>) + ")");
> </script>

> to show the result.

> But this code it always gives an error saying the cursor object is
> null. I also check the results array, and it is always empty.

> Can you please help me find out why the searcher always fail to
> retrieve the search results?

> BTW: There is also a search div in the same page, using the example
> code after getting the API key, and that searcher works fine.

> One thing that you should note is that the estimatedResultCount  
> property is notoriously inaccurate and variable. It should not be used  
> for anything mission-critical.

> Jeremy R. Geerdes
> Effective website design & development
> Des Moines, IA

> For more information or a project quote:http://jgeerdes.home.mchsi.comhttp://jgeerdes.blogspot.comhttp://jgee...
> jgeer...@mchsi.com

> Unless otherwise noted, any price quotes contained within this  
> communication are given in US dollars.

> If you're in the Des Moines, IA, area, check out Debra Heights  
> Wesleyan Church!

> And check out my blog, Adventures in Web Development, athttp://jgeerdes.blogspot.com
>   !

> On Nov 6, 2009, at 12:57 AM,ShaoxuanZhang wrote:

> > Hi all,

> > I am trying to use Google search API to get the estimated result of
> > some term in my application. The js code looks like:

> > <script type="text/javascript">
> > var webSearch;
> > function getQueryReturnCount(query) {
> >    webSearch = new google.search.WebSearch();
> >    webSearch.execute(query);
> >    return webSearch.cursor.estimatedResultCount;
> > }
> > </script>

> > Then in the page

> > <script type="text/javascript">
> >            document.write("(" + getQueryReturnCount(<?php echo('"'.
> > $topissue.'"');?>) + ")");
> > </script>

> > to show the result.

> > But this code it always gives an error saying the cursor object is
> > null. I also check the results array, and it is always empty.

> > Can you please help me find out why the searcher always fail to
> > retrieve the search results?

> > BTW: There is also a search div in the same page, using the example
> > code after getting the API key, and that searcher works fine.

> No, it won't be returned to the same point. This is an inherent part
> of AJAX technologies. Everything that depends on that count will have
> to be called after the callback.

> Jeremy R. Geerdes
> Effective website design & development
> Des Moines, IA

> For more information or a project quote:
> http://jgeerdes.home.mchsi.com
> http://jgeerdes.blogspot.com
> http://jgeerdes.wordpress.com
> jgeer...@mchsi.com

> Unless otherwise noted, any price quotes contained within this
> communication are given in US dollars.

> If you're in the Des Moines, IA, area, check out Debra Heights
> Wesleyan Church!

> And check out my blog, Adventures in Web Development, at http://jgeerdes.blogspot.com
>  !

> On Nov 6, 2009, at 8:27 PM, Shaoxuan Zhang wrote:

>> When I set a function (assume it call funcA) using the
>> setSearchCompleteCallback method how should I return the result?
>> Should it be returned in funcA? Then will the result be returned to
>> the point where getQueryReturnCount() method is called?

>> Thanks,
>> Shaoxuan

>> On Nov 6, 1:48 am, Jeremy Geerdes <jrgeer...@gmail.com> wrote:
>>> You can't access the cursor property immediately after running
>>> execute. You have to use the searcher's setSearchCompleteCallback
>>> method to set up a callback which will be run when the search has
>>> returned from Google.

>>> One thing that you should note is that the estimatedResultCount
>>> property is notoriously inaccurate and variable. It should not be
>>> used
>>> for anything mission-critical.

>>> Jeremy R. Geerdes
>>> Effective website design & development
>>> Des Moines, IA

>>> For more information or a project quote:http://
>>> jgeerdes.home.mchsi.comhttp
>>> ://jgeerdes.blogspot.comhttp://jgeerdes.wordpress.com
>>> jgeer...@mchsi.com

>>> Unless otherwise noted, any price quotes contained within this
>>> communication are given in US dollars.

>>> If you're in the Des Moines, IA, area, check out Debra Heights
>>> Wesleyan Church!

>>> And check out my blog, Adventures in Web Development, athttp://jgeerdes.blogspot.com
>>>  !

>>> On Nov 6, 2009, at 12:57 AM,ShaoxuanZhang wrote:

>>>> Hi all,

>>>> I am trying to use Google search API to get the estimated result of
>>>> some term in my application. The js code looks like:

>>>> <script type="text/javascript">
>>>> var webSearch;
>>>> function getQueryReturnCount(query) {
>>>>   webSearch = new google.search.WebSearch();
>>>>   webSearch.execute(query);
>>>>   return webSearch.cursor.estimatedResultCount;
>>>> }
>>>> </script>

>>>> Then in the page

>>>> <script type="text/javascript">
>>>>           document.write("(" + getQueryReturnCount(<?php echo('"'.
>>>> $topissue.'"');?>) + ")");
>>>> </script>

>>>> to show the result.

>>>> But this code it always gives an error saying the cursor object is
>>>> null. I also check the results array, and it is always empty.

>>>> Can you please help me find out why the searcher always fail to
>>>> retrieve the search results?

>>>> BTW: There is also a search div in the same page, using the example
>>>> code after getting the API key, and that searcher works fine.