How to validate starting and ending month

Question

2.33/5 (2 votes)

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Hi all

In my application i have 2 combo box which contains month name like Jan, Feb....Dec

Now i have to check that the starting month should not be greater than ending month

e.g. if user selects Dec in first combo and select Jan in second combo box, then it should give an error.

Please tell me how to do the validation for this.

Thank you..

Posted 6-Dec-13 17:24pm

Snehasish_Nandy

Updated 6-Dec-13 18:46pm

Sergey Alexandrovich Kryukov

v2

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Comments

Sergey Alexandrovich Kryukov 7-Dec-13 0:48am

How do you know that months are from the same year?
—SA

[no name] 7-Dec-13 0:49am

i have a year combo box also..the user have to select a year for which they will be able to see the chart ...

Sergey Alexandrovich Kryukov 7-Dec-13 0:54am

I answered your question, but you have accepted one extremely silly answer. Congratulations.
All you need it to compare first and second combo box selected index.
—SA

3 solutions

Solution 1

Hi,

When you bind the combobox with the data you have value feild associate to each record.
You can use this values to validate

Posted 6-Dec-13 17:52pm

BrishPandey

Comments

[no name] 7-Dec-13 0:09am

Can u please give some example..

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Sergey Alexandrovich Kryukov · Accepted Answer · 2013-12-06T18:49:00

Solution 2

First, please see my comment to the question.

Add months in natural order, January to December. The indices of item will index the months 0 to 11. Compare selected indices of the two controls.

—SA

Posted 6-Dec-13 18:49pm

Sergey Alexandrovich Kryukov

Comments

[no name] 7-Dec-13 1:23am

Thanks..it worked..

Sergey Alexandrovich Kryukov 7-Dec-13 1:25am

Sure. You are welcome.
—SA

Snehasish_Nandy · Accepted Answer · 2013-12-06T18:51:00

Solution 3

I did it by my self.

i converted the combo box month value and compared.

VB

Dim a As Integer = Convert.ToDateTime("01-" & cmbFMonth.Text & "-1900").Month
Dim b As Integer = Convert.ToDateTime("01-" & cmbTMonth.Text & "-1900").Month

Thanks all..

Posted 6-Dec-13 18:51pm

Snehasish_Nandy

Comments

Sergey Alexandrovich Kryukov 7-Dec-13 0:55am

Have a shame. Not only you have written an extremely silly answer, you even self-accepted it.
—SA

[no name] 7-Dec-13 1:18am

what is silly here..please tell me..so i can modify..
u posted after then i posted mine..so didn't saw that..sorry about that..
and there is nothing to use such language..i posted which i got the way..

Sergey Alexandrovich Kryukov 7-Dec-13 1:24am

Nothing to modify, I already answered. This is:
if (cmdFMonth.SelectedIndex > cmdTMonth.SelectedIndex) ...
That's it.
—SA

[no name] 7-Dec-13 1:26am

see my comment in this question..and also in your answer..

[no name] 7-Dec-13 1:30am

See Sergey you guys are lots and lots of senior then many of us.
what i posted i don't think it's that much silly the way u reacted.
with all do respect it's some what discouraging.
please don't take me wrong.i m telling which i felt..

Sergey Alexandrovich Kryukov 7-Dec-13 1:40am

Sorry if my words hurts you, but you should not perceive it as discouraging. If nobody says that your solutions or ideas are wrong, how can you learn to get to better ones? I would advise to use criticism for your own use. This is unavoidable and one the the most important prerequisites to any progress. I absolutely did not want to offend you; we all do some silly things sometimes; this is like a law of nature; if someone points my sillies out, I either say "thank you" and improve myself (or just fix the error) or, if I disagree, try to proof my point. On this site, there are many examples of such things, because, of course, in tens of thousands of my posts some sillies could have appeared. If you are going to get discouraged by each of your failure (get prepared to face many, how else?) or, worse, by criticism on any of them, you won't go far.
—SA

[no name] 7-Dec-13 2:05am

Thanks for your words Sergey..

Sergey Alexandrovich Kryukov 7-Dec-13 2:08am

You are welcome.
—SA