Clicked once do this, Click Twice do that

Question

2.50/5 (2 votes)

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Sorry about the subject I didn't really know how to explain this in a few words!

On a button I am looking to check if it has already been clicked since the application has been loaded.

Basically if clicked for the first time make someone enter there details if they click the same button again during the application being started I want the program to ask if they would like to edit there details rather than throwing up the same initial enter details page.

Could I use a variable and increment it in a loop so that if the variable is more than 0 do this if it is 0 then it must be there first visit to this section. Would something like that work or is there a totaly different way I am overlooking?

Thanks in advance

Posted 9-Jun-11 0:04am

DanHodgson88

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Comments

RakeshMeena 9-Jun-11 6:14am

What if the user modify the details and then click the button again? Do you still want to show the message?

DanHodgson88 9-Jun-11 6:20am

Yes the idea is a nav bar with a details section, On the first click they will be sent to enter there details which once submited is sent to "Overview" page. The overview page will have the ability to edit which will then direct them back to the original details section where they can alter anything they need to. If that makes sense?

4 solutions

Solution 3

A very exotic but extremely universal solution: see my article "Wish You Were Here… Only Once"[^].

—SA

Posted 9-Jun-11 5:51am

Sergey Alexandrovich Kryukov

Updated 9-Jun-11 5:54am

v2

Comments

BobJanova 9-Jun-11 12:14pm

Hehe ... that is massively over the top for most practical situations, but it's brilliant all the same.

DanHodgson88 9-Jun-11 13:12pm

lol agreed 5+ but maybe a bit to much for me!!

Sergey Alexandrovich Kryukov 9-Jun-11 13:23pm

Thank you very much, Bob, Dan.
I planned this article almost like a joke, but gradually got a challenge to make it really easy to use and fool-proof, I think -- succeeded. The usage is one line...
--SA

Solution 4

u can simply perform those type of operations by using static variables

for first time user clicks on button

set static variable to some value

for second time increment the value of static variable

basing on that we can specify a if condition to per form operation

if(i%2!=0)
op1;
else if (i%2==0)
op2;

Posted 9-Jun-11 6:53am

Srinivas Kumar Pasumarthi

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OriginalGriff · Accepted Answer · 2011-06-09T00:12:00

Solution 1

Easiest way: Use the button Tag field, and set it to a bool value: FirstTime is true for example. Then in the click event:

private void button1_Click(object sender, EventArgs e)
    {
    Button b = sender as Button;
    if (b != null && (bool) b.Tag)
        {
        // It's the first time.
        b.Tag = false;
        }
    }

Posted 9-Jun-11 0:12am

OriginalGriff

Comments

RakeshMeena 9-Jun-11 6:16am

My 5!

DanHodgson88 9-Jun-11 6:17am

Thanks very much 5+ :)

OriginalGriff 9-Jun-11 6:19am

Welcome!

Sergey Alexandrovich Kryukov 9-Jun-11 11:54am

It's simple enough, my 5.

If you want to read something really interesting on this topic (or rather funny), please see my answer and my article.
This solution is absolutely universal :-)
--SA

Michael Waguih · Accepted Answer · 2011-06-09T00:16:00

Solution 2

Hi DanHodgson88,

You can make a Global Boolean variable and using the Button_Click event handler you can check like this :

public static bool EvenClicks = true;

private void button1_Click(object sender, EventArgs e)
{
    EvenClicks = !EvenClicks;
    if (EvenClicks)
    {
        // add the code for clicking twice or for even number of clicks
    }
    else
    {
        // add the code for clicking once or for odd number of clicks
    }
}

I hope this help,
:)

Posted 9-Jun-11 0:16am

Michael Waguih

Comments

DanHodgson88 9-Jun-11 6:18am

cheers for the reply wasn't quite what I was looking for, however that will come handy on another button :D

Sergey Alexandrovich Kryukov 9-Jun-11 11:53am

I voted 4 for using static and calling it "global". If you think of it, you will see that static is worse and non-static will work as well (I can explain).

If you want to read something really interesting on this topic (or rather funny), please see my answer and my article.
This solution is absolutely universal.
--SA