How to convert number to percentage

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VB

How to convert number like 40 to 0.4 in a textbox

Posted 14-Mar-14 7:09am

Mathiudi

Updated 17-Mar-21 11:28am

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Sergey Alexandrovich Kryukov 14-Mar-14 13:15pm

Asking questions also requires some prerequisites. Not having successfully graduated from elementary school is not an option, sorry.
—SA

Mathiudi 14-Mar-14 13:25pm

Please don't be angry with me

Sergey Alexandrovich Kryukov 14-Mar-14 15:17pm

No, I'm not angry at all, why? hope you won't be angry, too. You need to learn by yourself and rely on yourself more.
Thank you for understanding.
—SA

Mathiudi 17-Mar-14 13:57pm

I'm a beginner and no one taught me how to use VB and VB.net. I learn by my self with help of files on vb.net and the rest I found on the internet. so some of the thing that stack me up, I have to ask for help.

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Dave Kreskowiak · Accepted Answer · 2014-03-14T07:15:00

Solution 1

Divide the number by 100.

What's so hard about this?

Posted 14-Mar-14 7:15am

Dave Kreskowiak

Comments

Maciej Los 14-Mar-14 17:06pm

:laugh:
The best answer i've ever seen ;)

[no name] 15-Mar-14 4:11am

This answer has been accepted? I'm with SA.

Thomas Daniels · Accepted Answer · 2014-03-14T07:17:00

Just parse the number in the textbox to a double and divide it by 100:

VB

Dim value As String = textBox1.Text
Dim num As Double
If Double.TryParse(value, num) Then
    Dim percentage As Double = num / 100
    textBox2.Text = percentage.ToString()
Else
    ' cannot parse the given string to a double
End If