Limit Textbox To Input ONLY Three Numbers And Letters?

Sep 29, 2009

How can we limit the textbox to input ONLY three numbers and three letters?

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Limit Textbox Input To Numbers And Range Of Numbers

Apr 4, 2012

i have one more issues, and hope is the last for now. How can I limit a textboxe's input to only numerical with certain range of values (eg -10 to 10) and with that happening while I type in the values?

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Limit Textbox Decimal Input In C#?

Jun 26, 2010

How can I make a textbox in which can be only typed a number like 12.00 or 1231231.00 or 123123

I've done this in a very long way and I'm looking for the best and fastest way.

Also the decimal separator must be culture specific.:

Application.CurrentCulture.NumberFormat.NumberDecimalSeparator

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Allow Only Letters And Numbers In TextBox?

Oct 10, 2010

How can I allow only letters A-Z (both lowercase and capital) and numbers 0-9 to be entered into a TextBox control? Also spaces are not allowed either.Goldfish64

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Make Validations For Textbox Allow Numbers Only Or Textbox Allow Letters Only?

Sep 9, 2010

How to make validations for textbox allow numbers only or textbox allow letters only?

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VS 2010 How To Limit The User To Input . In Textbox

Jan 23, 2012

How can i limit the user to input only one period in textbox cause in my textbox the user can input may periods on it??

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VS 2010 Limit User Textbox's Input?

Apr 17, 2012

I have a text box that I only want the user to enter A, B, C or D (it'll give an error msg if anything else is entered)

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Distribute Numbers And Letters From One Textbox To Many?

Dec 6, 2010

I'm on VS 2008 I have one form contains many textboxes,when I write in one textbox (UserName) the letters and numbers should distribute to the other texts where each textbox has only one letter or number from the original text to get them ready to be encrypted.

What code I can use in text change event that takes the whole text and throw it in the other textboxes so each textbox has only one value ?

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Set The Mask For The Textbox For Only Letters And Numbers?

Apr 26, 2009

I want to set the mask for the textbox for only letters and numbers with no spaces like thisthe "*" represents letters and numbers)

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Limit A Textbox To Only Accept Numbers, Backspace And A Certain Length?

Jun 9, 2011

I want to control a textbox to only allow numbers, backspace and a certain length. Ive tried with the IsNumeric function but I cant seem to get it to work.

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Allowing Only Numbers (not Letters) To Be Entered Into Textbox

Nov 15, 2009

I have a textbox which controls the interval of a Timer control. How do I filter out letters? Is it possible to restrict entry to numbers only (like if you enter a letter or a space, nothing happens)? Is there a property of the textbox that can accomplish this?

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Forms :: Setting Maximum Input Limit For User In Textbox

May 6, 2010

How do I code in vb.net that the text box can only accept 10 inputs from the user. User can only enter 10 strings.

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Input Numbers Into Selected Textbox?

Feb 28, 2010

I have 10 buttons 0-9 And i have 4 textboxes All representing different values (n,e,x,y) Ok so what i want is to be able to use my 0-9 buttons to input the numbers into the boxes. However my problem is How can my program know which text box the mouse cursor is in. Right now, i can only get it to go in one of the boxes That i tell it too by using the textbox's name. Or all of them at once.

SO is there a way that when i click in text box "n" when i click numbers they will go there. Then if i click in text box "e" and click the the numbers, they will go in there?

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Restrict Input Of A Textbox To Only Numbers?

Sep 8, 2009

i want to restrict input of a textbox to only numbers but am doing it on asp.net, so i cant check for each character that is being inputed cause it will cost me a post back and thus lots of time?

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Restricting TextBox Input To Numbers Only?

Apr 11, 2010

I want to create a textbox user control which accept only numbers.

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Way To Limit A Textbox To Numbers And "-" (no Maskedtextbox Wanted)?

Apr 24, 2011

yeah im very far with the project right now just a day or two probably of completely finish it, but im so far that itll break alot of things if i change a textbox i have for a maskedtextbox, besides there are some things that the normal textbox does a bit differently than maskedtextbox, ive searched around the net and found nothing about this in vb express, probably because everyone uses maskedtextboxes instead xD

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Limit Range Of Numbers?

Mar 8, 2012

I was wondering how to limit the textbox to have a range of numbers like

one can input numbers from 1 to 150

I already made the textbox only do 3 characters and only numbers but kinda stuck here.

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VS 2005 Read User Input Using Textbox But It Only Can Read Character And Numbers?

Jan 2, 2010

I know how to read user input using textbox but it only can read character and numbers. Is it possible that I want to read user input equation?

Example:

User type A+B
User put range of A and B.
1.25<A< 3.56
2.45<B< 9.87

I failed to read the equation using textbox. Is it there are other ways that can use to read equation input A+B?I am using VS2005 and VB.Net. I really new in this programming using VB.Net.

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Limit Numbers Into 2 Decimal Places?

May 26, 2009

how to limit number into 2 decimal places sample when i got number of 1000.7585545 is should be 1000.76 i have this code below but based on the given sample it will result to 1001.00

If txtpassPrice.Text <> "" Then
Dim dblTranspo As Double
dblTranspo = txtpassPrice.Text
txtpassPrice.Text = Format(dblTranspo, "#,##0.00")
End If

i tried this one but i will result to 1001 only

If txtpassPrice.Text <> "" Then
Dim dblTranspo As Double
dblTranspo = txtpassPrice.Text
txtpassPrice.Text = Format(dblTranspo, "#,##0.##")
End If

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Limit The User Input To Exactly 5 Characters?

Mar 11, 2011

I have 200 dynamic textboxes.

I am trying to limit the user input to exactly 5 characters ( not more, not less ), and numeric only.

I have been trying this :

Private Function txtValid()
Dim str As String
For Each txt As TextBox In Panel1.Controls

[Code]....

But it always shows the last messagebox. Not all 200 textboxes will be filled in, so I suspect that it may have something to do with that, but I just need to stop the user from entering alphabetical characters, and the entered field must have a length of 5

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Richtextbox-how To Limit Input Of Text

Mar 11, 2010

I have a big issue which I have been struggling with for days now. I have a richtextbox where users Can input text and print it.

My problem is that i don't want to allow more than one page to be printed so i need to prevent the users in inputting more text than what fits to one page.

I have word wrap set to True which means that i really can't count the lines since they are determined by number of return/enter hits. I can't set the character to a max because blank Lines and spaces Can cause this to differ very much.

What i really need i a way to prevent the users in inserting more text than would fit inside the richtextbox frame and the frame may not be resizeble.

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VS 2010 : How To Limit Maskedtextbox Input

Feb 25, 2011

I have a maskedtextbox that i want to limit character input in it but i can't manage to figure it out.The date type is "yyyy-mm-dd" and the mask is "1300/00/00" (it is not gregorian calender, it is persian )In the TextChanged event i am changing the bindingsource filter.Because of this i don't want the user enters invalid date. For example the user enters 9 in here : "1300/90/00" i want to prevent this from happening before TextChanged event occur. (the place isn't important i just want to stop user from entering an invalid month or day)I have tried the KeyPress event but i don't know how to detect where in the textbox user is entering a character.

Note that i know already how to validate and i have a code for that but the TypeValidationCompleted event occur when user does all changes and leave the textbox.

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User To Input Numbers From An Inputbox And It Displays The Total Numbers Entered?

Mar 18, 2011

I have a program that allows a user to input numbers from an inputbox and it displays the Total numbers entered, the sum of the numbers entered, and the average of the numbers entered. What I can not seem to find it how to have it display the largest number entered. The code I have so far is,

[Code]...

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Enter Numbers And Letters?

May 23, 2009

How do i make it so that you can only type in numbers and letters in a textbox? I want to disable the use of ("*(&$.....etc.) those types of symbols.

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Every Combination Of Letters And Numbers

May 19, 2009

I'm looking for some function to put together every possible combination of letters and number to create a string that is 14 characters long. I have found ways to make every possible combination of letters and numbers seperately. However, I've never run across anything to come up with them together. Every string created must contain letters and numbers.I just have no idea where to start on this one.

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How To Convert Numbers To Letters

Aug 17, 2009

i want to know how to convert numbers to lettres.

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Asp.net - Limit Input Of Regular Expression Validator?

Jan 19, 2012

I'm currently coding a ASP.NET web application using VB.NET. I'd like to know how to limit the input of the regular expression validator to numbers only (with specific number of digits e.g 7-20 digits).

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Forms :: Limit The User To 7 Numbers And A Letter?

Oct 24, 2010

I have a passport number textbox and I want to limit the user to 7 numbers and a Letter in the textbox. How Do I do that?

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Limit The Number Of Decimal Values To 3 In Numbers?

May 3, 2010

I'm trying to limit the number of decimal values to 3 in numbers such as .3125 but I also have numbers such as .5 which I need to leave as is.

how can I determine if a number is 4 decimal places and cut off the last number.. I don't want to round up either.. .3125 should be .312 not .313 and .5 should stay at .5 and not .500.

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Allow Users To Press Numbers Just Letters?

Feb 5, 2012

im validating textboxes in my form so it will not allow users to press numbers just letters.the code i'm using is Private Sub Textbox_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) _ Handles txtFirstName.KeyPress, txtSurname.KeyPress, txtAddress2.KeyPress, txtCity.KeyPress

[Code]...

what i need help with is, ive created a lable called lblFn next to the FirstName Textbox and would like this to be updated with "Please enter Characters Not digits" if a user enters digits in the textbox, how do i amend the above code to get this working?Basically whatever textbox a user enters wrong data in it updates the corressponding label next to it!

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