VS 2010 Validating For 2 Decimals

Apr 27, 2012

Is this the proper way to bring up an error if the user inputs more than 2 decimals. 'Not decCost = [0-9]*.[0-9]{0,2}

[Code]...

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VS 2010 Check If Value Has Decimals And If It Has Decimals, Remove Them?

May 19, 2010

Dim y as integer
dim x as double = 125 / 60
y = Convert.ToInt32(x) 'removes decimals

That method works, it removes all the numbers after the decimal.

But, how to check if the double contains a decimal and if it has it, remove all the numbers after it?

I have tested all the possible solutions i can think of, but I always run into a lot of errors

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VS 2010 Check If A Number Contains Decimals?

May 29, 2010

VS 2010 check if a number contains decimals?

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VS 2010 Tabpages - Decimals And Graphs

Sep 28, 2010

Tabpages: Using a button, how do I go from tabpage1 to tabpage2? I have it kind of sorted, only not: Button click tabpage1 send to back() or hide() tabpage2 show() The problem with this, is it does not actually turn the page, and the tabpage1 tab still shows at the top. Decimals: Epically basic, I guess. I have calculations that does, for example: 10/6 = 1.666666666667 How do I get it to say 1.667 only?

And Lastly, Graphs: I have a line graph. I have fixed series as a envelope for the variable series to sit in. Again, epically basic - How do I make a series that draws a line for a variable?

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VS 2010 Textbox Validating?

Feb 13, 2012

[code] how can I also allow a decimal point, and also it will not let me Exit the program unless there is something in the textbox, I have looked around and have seen a few different codes but they seemed kind of complicated.

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VS 2010 - Validating Properties In Class At Once?

May 16, 2012

Is there a way to validate ALL properties in a class at once? I have a class with various validations added to property "Getter" to validate user inputs. (The problem is that all my validations only invoke if a user input something to the field that bind to the property. Any fields that user simply bypass will not get validated). Ideally I want to loop through each property and validate in a "Save()" method.

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VS 2010 : Events Validating And Validated Not Firing?

Apr 11, 2011

I'm trying to use the events Validating and Validated on a ToolStripTextbox.

Private Sub txtMenuOwnIP_Validated(ByVal sender As Object, ByVal e As System.EventArgs) Handles txtMenuOwnIP.Validated
MyIP = txtMenuOwnIP.Text
StatusLabelIP.Text = MyIP
End Sub

[code].....

Neither code is firing.The CausesValidatition of the txtMenuOwnIP is set to true.I can enter stuff into that Textbox and leave it using the Mouse or simply piush Enter, but the posted code won't get fired (used a Breakpoint in both subs). There are no other event routines for this command used.

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VS 2010 Validating User Input Data?

Apr 12, 2011

So I'm developing a Windows Forms Application in Visual Basic 2010. The user searches for data and fetches results, updates fields and some other CRUD operations. I want to provide a user input validation. Usual stuff i.e. some fields need to be always numbers>0, others need to be non-empty in order to avoid Null access on some objects and others just need to be some fixed strings.

[Code]...

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Never Ending Loop While Setting Focus To Control On Validating Event In Cantrol Validating Event?

May 9, 2012

I am writing below code for validating compulsary field account no. in form.User's requirement is set focus back on field when error comes :

If txtAccountNo = "" Then
MessageBox.Show("Account no filed can't be left empty")
txtAccountNo.SetFocus
Exit Sub
End If

It's working properly. But suppose user don't want to fill form and exiting from application.Message box keep on appearing till user enters account no.

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Get Only 4 Decimals?

Mar 18, 2011

I need to get my label outputting the slope to only have 4 decimal digits. I have it set as single now

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Decimals Revert To 0?

Feb 18, 2010

I have a textbox that requires the user to input the value of the Value-Added Tax of that certain area. I tried testing 12.5%. The string is converted to decimal then divided by 100 so 12.5/100 = .125. But when the program writes the value to a file, 0 is writen. not .125

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Mod The Numbers After The Decimals Only?

Oct 22, 2010

If i wanted to know if a whole number is a multiple of 10 or not I know i can do for e.g

If VarWholeNumber MOD 10 = 1 Then
......
Endif

But if i have a whole number with format "0.00" how can i only check if the last 2 digits after the decimal is a mod of 10 regardless of what the whole number sides value is.

So something like

If VarWholeNumber's ".00" MOD 10 = 1 Then
.......
Endif

How could I could this?

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Working With Decimals?

Jun 13, 2011

i need it to look at the coloum in a datagrid and make the back colour red if over 1.6(in sql this field is saved as Varchar(10))but at the min, i have a value of 1.5 and it is making the back colour red

Dim cell As DataGridViewCell
Dim CellVar As Integer
For Each row As DataGridViewRow In Me.OEEGrid.Rows
cell = row.Cells("CD")

[code].....

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Decimals In Calculated Cell Value?

Oct 1, 2011

i have three cells in a datagridview third cell gives the result of multiplying first and second cell.When i reload or populate this data from datatable into that datagridview value comes like 40.00. with two decimals. For example

58.00 -------->i need only 58

58.78--------->i need exact 58.78

The only problem is to remove the decimals if they are 0.

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How To Round-off Upto 2 Decimals

Aug 16, 2009

I am using two forms and the results from form 1 i want to show on form two.The results are in dB(decibel). I get a long result lile 142.1233344444 dB. I want this result be like this 142.12 dB. I use value _passedText to get value from form 1 and display it on form 2 textbox results.text

passedText = Value
Results.Text = Value

What should i do to round off it in vb.net 2008.

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Check For Number Of Decimals In Textbox

Oct 4, 2009

I'm trying to check for the number of decimals in a textbox, but I'm not very successful so far:[code]How can I correct my code to make it work? Or any other/better solutions?

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Convert Binary Numbers To Decimals

Jun 13, 2012

I've used .NET for a long time now but I have come across something I haven't had to do before and I'm struggling to work it out. What I need to do is work with binary numbers and convert them to decimals and vice versa but not necessarily using even numbers e.g. I would like to represent a number between 0 and 2047 which can be represented with 11 binary digits. Plus I want to represent a second number between 0 and 500000 which can be represented with 19 binary digits, and a third number, fourth etc. Then I want to string the whole binary results together and split it in to sections of lets say 5 bits each and convert those back to decimal.

[Code]...

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Detect How Many Decimals A Decimal Number Has?

Dec 21, 2010

how do you detect how many decimals a decimal number has

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Display Currency Value In Listview With Just 2 Decimals?

Jul 11, 2011

The 4 decimal point to 2 decimal point in a listview.... here is the code for displaying the data from the database to listview.[code]...

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Force Decimals On Text Entry

Apr 8, 2010

Here's a silly question. I cannot believe I've spent so much time trying to figure it out. I have a textbox where I enter numbers, such as 12, 12.3, etc. I would like this data to display as 12.0000, 12.3000, etc. My line of code looks like this:

[Code]...

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List Boxes Handle Decimals?

Feb 19, 2010

I was dividing a number from one textbox into another and when i tried something like 22 divided by 15 i just got one. Are listboxes not able to handle decimals?

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Set Default Two Decimals Place In Textbox?

Jan 29, 2009

How to set default two decimals place in the textbox?

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Show Integer Ignoring Decimals In Value?

Mar 16, 2012

I have only started programming in VB recently and I am not very good on the coding side. I have two values a and b. When I divide them, I want only the integer part to show up ignoring all the decimals and storing it into the variable c.

i.e.:
a = 24, b = 11
c = 2

Output: 2

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VB Listbox Total - Doesn't Add Decimals

Oct 25, 2010

When i add it up it doesn't add decimals.

Example: 12.5 + 1 = 13

I need it to be 13.5

Code:

Dim total As Integer
Dim counter As Integer

[CODE]...

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Adding Decimals (Vending Machine Account)

Apr 19, 2010

25, .10 and .5... I cant get it to add. All it will do when each button is hit for each ammount is display that amount. Very frustrating. Here is an example of my machine:

[Code]...

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Displaying Decimals On Same Line With Console.Writeline

Feb 20, 2011

I have declared my variables As Decimal, and what I am struggling to do is to display these values to 2 decimal places in such a way so that they both appear on the same line of output. Here is the guts of the problem (noting I have two different versions of Console.Writeline...the second one does display on one line, but without two decimal places).

[Code]...

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Format Text Boxes With Separator And Two Decimals?

Feb 7, 2011

facing some problems to achieve what I want. I have this piece of code which is working fine. My problem is that I want to display the results of the Text Boxes 2, 5 and 8 with thousands separated by commas and only with two decimals separated by dot , e.g. 1,234,567.89. I tried using Format and other options but I was unable to get the correct result.

Public Class Form1
Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
If Not IsNumeric(TextBox1.Text) Or (ComboBox1.Text = "" And ComboBox2.Text = "") Then
MsgBox("Valores inv�lidos ou defini��es incompletas", MsgBoxStyle.Information)
TextBox1.Text = ""

[Code]...

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Formatting A String - Dollar Sign, No Decimals?

Jun 3, 2012

I'm having some difficulty formatting some of my strings, I can't see what's wrong unfortunately. I have various numbers, e.g. 100.023, 13488.323, etc in a datagridview column that I would like to be formatted so it looks like this: $123,456

Here's what I've tried so far (that isn't working):

row.Cells(1).Value = Format(row.Cells(1).Value, "{0:D0}") 'I've also tried using {0:C0}
row.Cells(1).Value = row.Cells(1).Value.ToString("$#,#")

'This one (above) comes up with an error saying it can't put an "##" in an Integer column, something like that anyway.

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VS 2005 Replacing All Occurance Of Commas With Decimals?

Mar 10, 2011

What is the function that replaces all commas with decimals? For e.g. 0,001 will be 0.001 and L0,001 will be L0.001

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VS 2008 Remove All Character Except Numbers And Decimals?

Sep 5, 2009

I want to know if there is an easy and short way to remove all characters except for numbers and decimals from a string. Either that or have a textbox that will only except numbers and decimals, but not a masked textbox.

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