Thanks Riccardo, I was actually looking for option like 'ui.allowNone'. This actually has been a perfect solution and my controls work the way I wanted them to.
Regards. On Jan 24, 2:25 am, Riccardo Govoni ☢ <[email protected]> wrote: > You can do two things. > First, you can register for 'statechange' events fired by your controls > (see > docs<http://code.google.com/apis/chart/interactive/docs/gallery/controls.html>). > Then, when you receive one you can use setState() on the relevant controls > to affect their selected value. > > Also, if you are just interested in removing the 'Choose a value' option > from the CategoryFilter controls you are using, there is a new undocumented > option (I'm adding documentation now) 'ui.allowNone' to decide whether the > control should allow the user not to choose any value or not. See demo > athttp://jsfiddle.net/5DqGA/. When you set it to false, the 'Choose a value' > option disappear and the control will always enforce the selection of at > least one of the available values. > > Does this help? > - R. > > On 23 January 2012 18:40, MrTik <[email protected]> wrote: > > > > > > > > > Hi, > > > I have a page that has 4 controls connected to each other and then to > > a graph. I was wondering if there is a way to select actual value from > > the drop downs based on the previous selections and not "Choose a > > value"? > > > Has anyone tried this? > > > Thanks. > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google Visualization API" group. > > To post to this group, send email to > > [email protected]. > > To unsubscribe from this group, send email to > > [email protected]. > > For more options, visit this group at > >http://groups.google.com/group/google-visualization-api?hl=en. -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-visualization-api?hl=en.
