User only able to click once for every month. in vb.Net

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Hi all

I would like to ask how can I set the button when User only able the click once for every month??

Example:
I have 1 "Add" button and 1 "Created On" column.
When user click "Add" Button, "Created On" will added one record.
but how can I set it User only able to click once for every month???

Thank you!

Posted 24-Aug-13 21:22pm

Member 10230385

Updated 24-Aug-13 21:23pm

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OriginalGriff · Answer 1 · 2013-08-24T21:25:00

Solution 1

Assuming that VB.NET means this is a web based solution, there are two baisc methods: you can set a Cookie on the users computer which expires at the end of the month, and check that when you load the page - if it's there, disable the button.
The other alternative is to store the last date the button was clicked in your database with the login details and check then when you load the page.

Posted 24-Aug-13 21:25pm

OriginalGriff

Comments

Member 10230385 25-Aug-13 3:29am

Ya, you're right....but can i have a sample code??

OriginalGriff 25-Aug-13 3:42am

Which for?

Member 10230385 25-Aug-13 3:44am

which is the code that how check/compare current date from Database Created on record ?

OriginalGriff 25-Aug-13 4:28am

Assuming that you know how to read a value from a Database - and it's a pretty good assumption since you need logged in users for this to work - it's pretty easy.
Read the value into a DateTime and check it against todays date:
If dateButtonLastPressed.AddMonths(1) <= DateTime.Now Then
myButton.Enabled = True
End If

Member 10230385 25-Aug-13 7:02am

Erm..i dun really know how read value from database actually..sorry.

OriginalGriff 25-Aug-13 7:27am

:laugh:
OK, we'll take this is easy stages then.
How are you handling your user identification? I need to know, because if you aren't logging in users, then you need to add that first or you have no way to identify which person clicked the button last month!