TextRate Control Should Accept Only Numbers / Period And Backscape Key
Oct 16, 2011
I'm beating my head against the desk on an advanced level solution in the VB 2010 book, and can't figure out what I am doing wrong. This is the exercise: JM Sales employs 8 salespeople. The sales manager wants an application that allows him to enter a bonus rate. The application should use the rate, along with the 8 salespeople, in an array, to calculate each salesperson's bonus amount. The application should display each salesperson's number (1 through 8) and bonus amount. as well as the total bonus paid, in the interface.
1. The txtRate control should accept only numbers, the period, and the Backscape key.
2. A one-dimensional array should be used that has elements initialized to the following sales amounts: 2400, 1500, 1600, 2790, 1000, 6300, 1300 and 2700.
I have the interface created and its error free (for now) but its not doing what its supposed to do. It's supposed to show something like this. I can provide screenshots if necessary. [code] but what I get is a list of 0.00's in all of the above fields. What am I doing wrong? Heres the code finally, sorry if I was overly descriptive. This is my first time doing one of the advanced exercises, maybe I should go back to intermediate.
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Jul 22, 2009
I've got a function that allows only numeric characters to be entered into a text box. My question is how to alter the code to also allow periods (charcode 46).
[Code]
but it does not seem to be working (still only numbers allows, periods still not).
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Feb 17, 2011
I know that the following code blocks the usser from ussing spaces in a textbox however how do i allow the user to only use numbbers and a fulstop (so i can add values like 1.5)[code]
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Sep 9, 2009
I was wondering how can I get the two numbers right of the decimal period? If I had 2.85874125639, I would want to get this: 2.86 since it was rounded...
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Dec 16, 2009
The text boxes are not accepting numbers. The thing is i already converted the data inside the text box from string to integer.[code]...
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Feb 24, 2010
I have an application where a user is entering data into textfields using vb.net and then it is saving to excel. The textfields only accept numbers and do not allow the user to proceed unless all textfields have been filled out. If for some reason the user cannot enter in data (machine being broken etc...) is there a way that a messgagebox with a textfield can pop up allowing them to enter the reason that they couldn't enter a reading and then get saved to a textfile or sent as an email.
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Oct 19, 2010
I am in a class who has a prject due and I have a few questions to ask:
1) Is there a way to limit an InputBox to just accept numbers?
2) What control can I use to display 360 rows of data generated from a for loop?
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Dec 7, 2009
My listbox will accept any letter I add, but I can't get it to accept any numbers. I tried a case select for 1-100 and I couldn't get that to work either,
Private Sub btnCount_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCount.Click
'Determine word count and average letters / word in the sentence
[Code].....
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Nov 10, 2008
hows to make a textbox accept only numbers? and ".". i tried looking in the Help, couldnt find something relating to it. i guess it's something to do with the keys pressed on the keyboard so if i could determine and reject certain keys (anything thats not a number) it could work.
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Mar 31, 2012
This displays as many numbers as i want but will also display a single letter.
Private Sub txtEnterGrades_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtEnterGrades.KeyPress
Dim intKeyValue As Integer
[Code].....
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Apr 2, 2012
I'm fairly new to VB.net (self taught) and was just wondering if someone out there could help me out with some code. I'm not trying to do anything to invovled, just have a textbox that takes numeric value from 1 to 10. I don't want it to take a string or any number above 10. If some types a word or character an error message will appear, telling them to enter a valid number. This is what I have, obviously it's not great as I am having problems.
[Code]...
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Nov 15, 2011
i need to validate the textbox such that in can accept numbers only but the entered no should be greater than 0 , it can be 0.1 and should be less than 101.
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Apr 8, 2010
During runtime i want a textbox to accept only numbers from 0 to 100.How to validate this textbox?
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Jun 2, 2011
how to validate a text box to accept only alphabets and numbers. no special characters. in vb.net i have tried the following code but it doesn't allow numbers but it allows alphabets only
Private Sub TextBox2_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox2.KeyPress
If (Microsoft.VisualBasic.Asc(e.KeyChar) < 65) _
Or (Microsoft.VisualBasic.Asc(e.KeyChar) > 90) _
And (Microsoft.VisualBasic.Asc(e.KeyChar) < 97) _
[code]....
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Jan 11, 2010
On Form Level, I use following codes to make textboxes to accept only numbers,How to add these codes in main module, instead of of writing these codes on every form.
If TypeName(Me.ActiveControl) = "TextBox" Then
With Me.ActiveControl
If Not IsNumeric(.Text) And .Text <> vbNullString Then
[code]...
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Mar 9, 2012
how to make the values in a text box accepts only letters in the text box for data that are for letters only and numbers for data requiring numbers only
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Aug 2, 2009
I need to create a control for input a currecncies to a field. I'm planning to use a Textbox.
This is the format of the text box for currencies:
"XXXXXXXX.XX"
the dot "." must be fixed in the textbox and it should be loaded with the textbox. Furthermroe i have plans to code eachtime a user enters a number it should print the numbers from Right ot left.
eg: When user enters Number 1234.34
When the user enter these number they should display them as:
when user enters 1
0000.01
when the user enters 2:
0000.12
when the user enter 3:0001.23
When the user enters 4:
0012.34
When the user enters 3:0123.43
When the user enters 4:(after entering all digits in the number)1234.34
Could any one give a couple of ideas how to creat these kind of boxes?
I was thinking about creating a custom control (a Textbox) but still i need to have a the above format in the textbox!
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Dec 11, 2011
How Can I make TextBox accept only Latin characters and numbers.?
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Aug 13, 2011
If I have a form that has a text field, and I want that field to only accept numbers or backspace, I can create a sub such as:
[Code]....
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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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Mar 10, 2009
I have a simple question regarding the KeyPress event. I'm trying to make it to where my TextBox on my form can only accept numbers 0-9, backspace and '.' /without quotes. I've successfully got it to accept numbers 0-9, accept backspace, I'm just wondering - what line do I add so that it can accept periods as well?
Here's my
Private Sub TextBox_KeyPress(ByVal sender As Object, ByVal e _
As System.Windows.Forms.KeyPressEventArgs) Handles _
TextBox.KeyPress
[CODE]...
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Mar 1, 2011
I am trying to add to a binding using Control.DataBindings.Add(). The issue that I am having is that the data member name has a period and space in it("Foo. Bar"). When I try to add the binding I pass in the string "Foo. Bar" as one of the arguments and I get an exception "CAnnot find datamember "Foo.".Is there a syntax that I need to use to pass the datamember name in when it has a period in it? I tried adding "[]" around the name but no dice.
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Jun 8, 2006
How do you accept dragged text to a notifyicon control? I am aware that the notifyicon control supplied with .net does not have an AllowDrop property nor does it have dragenter or dragdrop events. I'm looking for a way to somehow do this without reinventing the control.
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Feb 3, 2012
How do I make a textbox control to accept dates only and convert to a valid date format? I don't want to use the calander control. e.g. if I enter 2/17 or 2-17 or 02/17 or 2/17/2012; it will convert to 2/17/2012
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Oct 14, 2009
I have an assignment that requires me to edit some code, I already did most of it but I need to make txtState control to only accept letters and the backspace key. I was never taught how to do this and I only know how to do it with numbers. Here is my code with everything done, including the format I was taught to do keypress in with numbers and backspace. Can someone show me how to replace those numbers pr whatever to work with letters?
[Code]...
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May 9, 2011
I would like to upload files using the ASP FileUpload control. However, if I try and increase the limit to about 10000 kB, it doesn't work and accepts files only upto 4 MB in size and I get an error saying that the connection to the server was reset. I referred: [URL]..but when I modified the web.config.comments file, nothing happened. Where am I going wrong?
Also, I wanted to know how this would work when I deploy it on the web server. I'm asking because in the code behind, I'm still giving a hard coded value for the path where the file is to be uploaded. How does this work?
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Jun 2, 2011
One to accept only file word and pdf file and the other to accept only images(.jg|.bmp|.png|.gif)
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Jun 20, 2011
I have three Buttons labled "Single" "Double" and "Triple" and four textboxes, one for each button and one to display the results. Here is how it works. Each time I click on one of the buttons, it increments itself by that number...for example if I click on Button with the word "Triple" on it I will get the result '3' in the adjoining textbox. If I click it again the number will change to '6'. This holds true for all the buttons. I have this part of the program working well. there a way to have the addition of all these numbers appear in the fourth textbox WITHOUT having to use another button. In other words I want the fourth textbox to constantly update as I'm pushing buttons.
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Nov 13, 2010
How do I use line numbers? For example, I'm reading a text file and I'll need to get the line number of the line "=====LINE=====" somewhere in the text file, and I'll need to get the text of the next line (+1 of the previous line, but I'm not sure how to do readline(line number)).
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Feb 8, 2011
Iv just started using a winsock control in VS 2010.
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
sckListen.Listen()
sckConnect.Connect(sckListen.LocalIP, sckListen.LocalPort)
[code]....
On data retrieval, it comes out as number instead of text. Im guessing ASCII?Why is it doing this? Do I need to convert each ASCII number into a character?
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