tab controlling problem (c#) help me guys...

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hi everyone..

I'm new here. i got a little problem with tab controlling.here is the problem...
I've added a new tab control with 3 tabs to my form. i want to hide tabpage2 on default view so I wrote tabpage2.dispose() method in formload event.
now I want to view that page by clicking a button placed in tabpage1.(tabpage1 is the default view) so i wrote,

1. tabpage2.show();
2. tabcontrol.selectedtab = tabpage2;
3. tabpage2.select();

but I couldn't get that tabpage again.so, what should I do now??

Posted 9-Mar-11 2:11am

d_lucifer

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Albin Abel · Accepted Answer · 2011-03-09T02:19:00

Solution 1

Use the Hide function instead of dispose. Dispose simply mark it for garbage collection and then it is not available for call

Improved Answer

You can do like this example.

C#

public partial class Form1 : Form
{
    TabPage t1;
    private void Form1_Load(object sender, EventArgs e)
    {
        t1 = tabControl1.TabPages[1];
        tabControl1.TabPages.RemoveAt(1);
    }
    private void button1_Click(object sender, EventArgs e)
    {
        tabControl1.TabPages.Insert(1, t1);
    }
}

Posted 9-Mar-11 2:19am

Albin Abel

Updated 9-Mar-11 3:17am

v2

Comments

d_lucifer 9-Mar-11 8:31am

you mean tabpage2.hide(); function ?? it doesn't work friend. that's why I used dispose() function.I thought it's a hiding method.

Albin Abel 9-Mar-11 9:18am

Look at my improved answer. It is better you should know what Dispose() function does

Manfred Rudolf Bihy 9-Mar-11 9:27am

If you don't reply to the commenter he will not be notified. Please make a reply to d_lucifer comment out of the comment you made to your own answer.

Albin Abel 9-Mar-11 9:31am

I did Manfred, Thanks.

d_lucifer 9-Mar-11 9:42am

Finally, I got an answer.. yeah.. it works.. but still there is a little thing. if you click that button more than one time, you can have more tabs. well.. we can overcome that problem by adding
** tabcontrol1.SelectedTab = t1; ** line to the button click code..

by the way, thanks for your help... :) :)

Albin Abel 9-Mar-11 9:54am

For that check if that tab already exists before adding. Post further if any doubts

d_lucifer 9-Mar-11 10:03am

yeah.. check my answer..

Ryan Zahra · Accepted Answer · 2011-03-09T02:22:00

Solution 2

First of all, the Dispose method will release all the resources, thus losing all the data.
If you want to hide a tabpage you should call the Hide method.

For further information please check MSDN

Posted 9-Mar-11 2:22am

Ryan Zahra

Comments

d_lucifer 9-Mar-11 8:31am

you mean tabpage2.hide(); function ?? it doesn't work friend. that's why I used dispose() function.I thought it's a hiding method.

Ryan Zahra 9-Mar-11 8:38am

Instead of hiding the tab, you can change the tabcontrol.SelectedIndex to a tabpage of your liking.

d_lucifer 9-Mar-11 8:46am

yes i can do it.. but the thing is they are two completely different fields. (registration and payments) so i don't want to mix up them.
only after the registration(tabpage1) is done we are able to see the payments tab(tabpage2)