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Re: Try Validating Event

 
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Old 25-06-2003, 07:58 AM   #1
David Rogers
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Default Re: Try Validating Event


The suggestion I saw somewhere for menues was to add a Form.Validate() call
to the menuitem event handlers.

David

"Guido Stinnez" <Guido.Stinnez@tria.de> wrote in message
news:056801c31ae1$88408780$a001280a@phx.gbl...
> Hi Ramana
>
> try using the Validating Event instead of the Leave Event,
> it needs a CancelEventHandler and sends CancelEventsArgs,
> where you can set the Cancel Property to true.
> WindowsForms then automatically return to the invalid
> control without doing anything else.
> But careful - the event doesnt seem to get fired, if you
> do anything outside of the form in question, like menu or
> let alone hotkeys; nor does the leave event
> So if anyone knows what to do about that,
> Help deeply appreciated : )
> Guido
>
>
>
> >-----Original Message-----
> >I am using a list view and some textboxes on the form. I

> am validating the
> >textbox contents in textbox leave event and setting the

> focus back to the
> >same text box if the data is wrong.
> >If I click on the listview item after typing some wrong

> data in the text
> >box, It does the validation and setting the focus to the

> same textbox, but
> >surprisingly the 'SelectedIndexChanged' event of the

> listview also gets
> >fired leading to undesirable side effects. When the data

> is wrong, normally
> >I do not want to perform any other action like selecting

> an item in the list
> >view etc.
> >
> >We have used the list view to display some information

> and the textboxes to
> >display the information of selected list view item for

> editing. we would
> >like to validate the data in the text boxes before

> selecting another item in
> >the list view. How to restrict the selection of another

> item in the listview
> >when the validation fails. This is very urgent
> >
> >Advance Thanks
> >
> >Ramana
> >
> >
> >.
> >



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Old 28-06-2003, 05:40 AM   #2
David Rogers
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Posts: n/a
Default Re: Try Validating Event

Sorry, this garbage got posted to the wrong spot.

David


"David Rogers" <dwrogers@u.PASDUSPAM.washington.edu> wrote in message
news:OydXD%23uODHA.3408@tk2msftngp13.phx.gbl...
> The suggestion I saw somewhere for menues was to add a Form.Validate()

call
> to the menuitem event handlers.
>
> David
>
> "Guido Stinnez" <Guido.Stinnez@tria.de> wrote in message
> news:056801c31ae1$88408780$a001280a@phx.gbl...
> > Hi Ramana
> >
> > try using the Validating Event instead of the Leave Event,
> > it needs a CancelEventHandler and sends CancelEventsArgs,
> > where you can set the Cancel Property to true.
> > WindowsForms then automatically return to the invalid
> > control without doing anything else.
> > But careful - the event doesnt seem to get fired, if you
> > do anything outside of the form in question, like menu or
> > let alone hotkeys; nor does the leave event
> > So if anyone knows what to do about that,
> > Help deeply appreciated : )
> > Guido
> >
> >
> >
> > >-----Original Message-----
> > >I am using a list view and some textboxes on the form. I

> > am validating the
> > >textbox contents in textbox leave event and setting the

> > focus back to the
> > >same text box if the data is wrong.
> > >If I click on the listview item after typing some wrong

> > data in the text
> > >box, It does the validation and setting the focus to the

> > same textbox, but
> > >surprisingly the 'SelectedIndexChanged' event of the

> > listview also gets
> > >fired leading to undesirable side effects. When the data

> > is wrong, normally
> > >I do not want to perform any other action like selecting

> > an item in the list
> > >view etc.
> > >
> > >We have used the list view to display some information

> > and the textboxes to
> > >display the information of selected list view item for

> > editing. we would
> > >like to validate the data in the text boxes before

> > selecting another item in
> > >the list view. How to restrict the selection of another

> > item in the listview
> > >when the validation fails. This is very urgent
> > >
> > >Advance Thanks
> > >
> > >Ramana
> > >
> > >
> > >.
> > >

>
>



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