Thanks Jeffrey and Alex:
I really appreciate the helpful comments. That situation is resolved!
Dennis
""Jeffrey Tan[MSFT]"" <v-jetan@online.microsoft.com> wrote in message
news:5EnKN6wPEHA.3664@cpmsftngxa10.phx.gbl...[color=blue]
> Hi Dennis,
>
> Based on my understanding, you want to validating all the controls on the
> tabpage before switch pages.
>
> I think you should hook the Validating event for all the controls on your
> form. For certain control, once it has focus, it will validate its data
> for
> closing, leaving, etc.. events.
>
> So the only problem when changing pages is when all the child controls on
> the form have no focus, then swith pages will not trigger the child
> controls' validating events.
>
> For this issue, I think there are 2 workarounds:
>
> 1. loop all the controls on the tabpage, then judge if each control is the
> default value(We suspect the default value is not the valid value), if it
> is the default value, does not allow the index change.
>
> 2. You may add a custom validating type event for each tabpage, then when
> registering event handler for child control's Validating event, you should
> also register it for the tabpage custom event, then in
> TabControl.SelectedIndexChanged event, you can explicit invoke all the
> validating event handler, if not valid, then swith back to the orignal
> tabpage.
>
> To swith back to the original tabpage, you may use a variable to store the
> original page index. Do like this:
>
> int orginal_index=0;
> private void tabControl1_SelectedIndexChanged(object sender,
> System.EventArgs e)
> {
> Console.WriteLine(this.tabControl1.SelectedIndex.T oString());
>
> if(this.b_switch==true)
> {
> this.tabControl1.SelectedIndex=orginal_index;
> }
> orginal_index=this.tabControl1.SelectedIndex;
> }
>
> bool b_switch=false;
> private void button1_Click(object sender, System.EventArgs e)
> {
> if(b_switch==true)
> {
> b_switch=false;
> }
> else
> {
> b_switch=true;
> }
> }
>
> Thank you for your patience and cooperation. If you have any questions or
> concerns, please feel free to post it in the group. I am standing by to be
> of assistance.
>
> Best regards,
> Jeffrey Tan
> Microsoft Online Partner Support
> Get Secure! -
www.microsoft.com/security
> This posting is provided "as is" with no warranties and confers no rights.
>[/color]
