How to create current datetime on module ?

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I try to create datetime on module but when i try to check it on textbox the time just stuck in first time.. Why not like

tb1.text = datetime.now.tostring("MM/dd/yyyy HH:mm:ss")

What I have tried:

This my code in module

Public actdate As Datetime = Datetime.Now.ToString("MM/dd/yyyy HH:mm:ss")

Posted 15-Sep-17 20:24pm

Khabibb Mubarakk

Updated 15-Sep-17 21:03pm

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OriginalGriff · Answer 1 · 2017-09-15T21:03:00

Solution 1

Because you are only setting it once: it does not automatically change to reflect the actual time, any more than it would if you took a Sharpie and wrote the time on your monitor.

To have a time that always reflects the current value, you need to use a timer which changes the TextBox value - probably twice a second. Exactly how you do that depends on the environment your code is working in - and we have no idea what that is!

Posted 15-Sep-17 21:03pm

OriginalGriff

Comments

Khabibb Mubarakk 16-Sep-17 5:03am

This code without timer just place in button with handle click

tb1.text = datetime.now.tostring("MM/dd/yyyy HH:mm:ss")

give correct time when press button
But use this

 tb1.text=actdate (from module)

just give first value when button click
..no idea about this without timer?

OriginalGriff 16-Sep-17 5:37am

Yes. Because it's a fixed time, it doesn't vary as the time passes.
When you use DateTime.Now, you get a "snapshot" of the clock at that instant: you don't get a reference to the clock because DateTime is a Value type, not a Reference type, just as an Integer is. When you use an integer value:
Dim myInt As Integer = 666;
You do not expect the value of the constant 666 to change as you alter myInt, do you? :laugh:
DateTime works the same way.

Khabibb Mubarakk 16-Sep-17 10:44am

What going on?? All of my artcle is closed!!!

OriginalGriff 16-Sep-17 10:57am

How would I know?
There is no sign in your rep that you ever had any!