"Matt MacDonald" <matts***@hotmail.com> wrote in message
news:%236Tyk5o0GHA.4920@TK2MSFTNGP06.phx.gbl...
> Hi All,
>  I have a form that displays hierarchical categories in a treeview.  Ok so
> far so good.  What I was to do is have users be able to select a node in
> the treeview as part of filling out the form.  I only want to allow single
> selection, so using checkboxes is out of the question.  It works as is,
> but it makes the form very cumbersome if every time that a user selects a
> node, the whole page has to reload.  Is there a way to have a node become
> selected without using postback?  I tried setting the navigateurl of all
> the nodes to "javascript:void(0);" as was suggested in one post.  This
> works, however, if a node is currently selected in the tree via server
> side code, this doesn't de-select that node.  This also doesn't work very
> well in non-IE browsers. I also started to experiment using
> ICallbackEventHandler to use server side functions without reposting, but
> that doesn't seem to work in this scenario (I don't think).  Does anyone
> have any way of getting around this?  I really wish the autopostback
> property had been built into the treeview like in other serverside data
> controls.
>
> Thanks in advance for any help,
>  Matt
>

"Teemu Keiski" <jot***@aspalliance.com> wrote in message
news:OhBdFIq0GHA.4924@TK2MSFTNGP05.phx.gbl...
> Simple way is just to use Atlas. E,g put the TreeView in a UpdatePanel.
>
> --
> Teemu Keiski
> ASP.NET MVP, AspInsider
> Finland, EU
> http://blogs.aspadvice.com/joteke
>
>
>
>
> "Matt MacDonald" <matts***@hotmail.com> wrote in message
> news:%236Tyk5o0GHA.4920@TK2MSFTNGP06.phx.gbl...
>> Hi All,
>>  I have a form that displays hierarchical categories in a treeview.  Ok
>> so far so good.  What I was to do is have users be able to select a node
>> in the treeview as part of filling out the form.  I only want to allow
>> single selection, so using checkboxes is out of the question.  It works
>> as is, but it makes the form very cumbersome if every time that a user
>> selects a node, the whole page has to reload.  Is there a way to have a
>> node become selected without using postback?  I tried setting the
>> navigateurl of all the nodes to "javascript:void(0);" as was suggested in
>> one post.  This works, however, if a node is currently selected in the
>> tree via server side code, this doesn't de-select that node.  This also
>> doesn't work very well in non-IE browsers. I also started to experiment
>> using ICallbackEventHandler to use server side functions without
>> reposting, but that doesn't seem to work in this scenario (I don't
>> think).  Does anyone have any way of getting around this?  I really wish
>> the autopostback property had been built into the treeview like in other
>> serverside data controls.
>>
>> Thanks in advance for any help,
>>  Matt
>>
>
>

"Matt MacDonald" <matts***@hotmail.com> wrote in message
news:%23ywPy410GHA.2196@TK2MSFTNGP03.phx.gbl...
> Can you please explain further?  I'm not familiar with Atlas.
>
> Thanks,
>  Matt
>
> "Teemu Keiski" <jot***@aspalliance.com> wrote in message
> news:OhBdFIq0GHA.4924@TK2MSFTNGP05.phx.gbl...
>> Simple way is just to use Atlas. E,g put the TreeView in a UpdatePanel.
>>
>> --
>> Teemu Keiski
>> ASP.NET MVP, AspInsider
>> Finland, EU
>> http://blogs.aspadvice.com/joteke
>>
>>
>>
>>
>> "Matt MacDonald" <matts***@hotmail.com> wrote in message
>> news:%236Tyk5o0GHA.4920@TK2MSFTNGP06.phx.gbl...
>>> Hi All,
>>>  I have a form that displays hierarchical categories in a treeview.  Ok
>>> so far so good.  What I was to do is have users be able to select a node
>>> in the treeview as part of filling out the form.  I only want to allow
>>> single selection, so using checkboxes is out of the question.  It works
>>> as is, but it makes the form very cumbersome if every time that a user
>>> selects a node, the whole page has to reload.  Is there a way to have a
>>> node become selected without using postback?  I tried setting the
>>> navigateurl of all the nodes to "javascript:void(0);" as was suggested
>>> in one post.  This works, however, if a node is currently selected in
>>> the tree via server side code, this doesn't de-select that node.  This
>>> also doesn't work very well in non-IE browsers. I also started to
>>> experiment using ICallbackEventHandler to use server side functions
>>> without reposting, but that doesn't seem to work in this scenario (I
>>> don't think).  Does anyone have any way of getting around this?  I
>>> really wish the autopostback property had been built into the treeview
>>> like in other serverside data controls.
>>>
>>> Thanks in advance for any help,
>>>  Matt
>>>
>>
>>
>
>