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VB.NET Discussion Thread
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Aug 12th, 2009

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Format to 2 decimal places

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Hi, sorry to ask this, I know it has been asked before but despite reading the answers I still dont get it. I am using visual studio 2008, vb.net.
I have a lable, label1. I want it to display the results of a calculation, a/b. The answer is a number typically 0.xxxxxxxxxx . I want the answer displayed to two decimal places in lable1. How do I achieve that please?

Thanks for all and any help.

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smileyc

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Aug 12th, 2009

Re: Format to 2 decimal places

vb.net Syntax (Toggle Plain Text)
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
    Dim bigNumber As Decimal = 1234567.123456
    Console.WriteLine("F2: " & bigNumber.ToString("F2"))
    Console.WriteLine("N2: " & bigNumber.ToString("N2"))
    'Likewise:
    TextBox1.Text = bigNumber.ToString("F2")
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
    Dim bigNumber As Decimal = 1234567.123456
    Console.WriteLine("F2: " & bigNumber.ToString("F2"))
    Console.WriteLine("N2: " & bigNumber.ToString("N2"))
    'Likewise:
    TextBox1.Text = bigNumber.ToString("F2")
End Sub

Results in:

VB.NET Syntax (Toggle Plain Text)
F2: 1234567.12
N2: 1,234,567.12
F2: 1234567.12
N2: 1,234,567.12

So use F2 to not include a thousands separator, N2 will include it

sknake

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Aug 14th, 2009

Re: Format to 2 decimal places

Thank you for your reply, but the answer does not seem to be working for me.

In my code I have

(Toggle Plain Text)

 
dim a as double
dim b as double
'
'some calculation here wich typically results in 
'a/b being 0.xxxxxxx
'

label24.text =a/b

And I cannot get the text in label24 to format to 2 decimal places.
What am I doing wrong or have not grasped please. THank you again

smileyc

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Aug 14th, 2009

Re: Format to 2 decimal places

This should work:

VB.NET Syntax (Toggle Plain Text)
label24.Text = String.Format("{0:F2}", a/b)
label24.Text = String.Format("{0:F2}", a/b)

bcasp

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Aug 16th, 2009

Re: Format to 2 decimal places

you can try this hope it will work for you.

VB.NET Syntax (Toggle Plain Text)
label24.text =Math.Round(a/b, 2)
label24.text =Math.Round(a/b, 2)

or try this

VB.NET Syntax (Toggle Plain Text)
label24.text = Format(a/b, "0.00")
label24.text = Format(a/b, "0.00")

try both hope it works with you

emint

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