How To Check If Input By User Is Wrong
May 7, 2012
I am currently making a boggle game, I have done finished every aspect of it expect the spell check bit. I have been searching the internet fruitlessly, and have only found spellcheckers but none of the results allow the program to know the word is wrong. So what I want my program to do is after the user has pressed done or the timer runs out, it checks the items in listbox1 and if it is wrong then puts the item in listbox2.
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Aug 16, 2009
I was looking for quick assistance with disabling the write button based on wrong user input. Program works great just feel like it needs a little more.
[Code]...
I don't like validating through the TextChanged event either as I believe that to be the cause of some issues. Doesn't the Textchanged event validate on each time a letter is typed?
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Apr 20, 2011
how do i check if the "game.exe" exists on the path that the user has selected?
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Apr 19, 2011
I need to pull a random word from a text file in my resource folder (visual Studio 2010) and then have a user enter a letter to see if it is in the word. Yes, Hangman game. There is more, but right now I need to pull from that text file for a start. I know what I have is not even close to right under "Get Word Button", but I'm kind of confused about the process.
Public Class hangMan
Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load
Dim word As New Random
End Sub
[code]....
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Feb 2, 2012
Vb is not my language of choice , but I have to do this for school and I'm not having a very easy time with VB's documentation.I'm just creating a very simple console application that accepts user input: degrees in Celsius, and converts it into Fahrenheit. I want to make sure that if the user just hits enter without entering the degrees in Celsius, then an if else statement will catch and write to enter Celsius again.Here's what I've tried:
[Code]...
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Jan 6, 2012
Can i use the timer when the user tries to log-in and the user entered a wrong password 3 times.i will give the user 5 mins to log-in again with the correct password and if the user enters the wrong pass. 3 times again i will give another 10mins also this is what i want when the user close the program the timer is also their and running that it will give the user the remaining tym on how much tym left 4 him to log-in again.Can i do this in vb.net??i dont know how 2 do this i dont have a clue if it is possible can someone give me a code??
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Sep 15, 2011
my program creates an error code when i enter the worng data but is only does it once, what code do i use to make it stop you until you enter the corrct data
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Mar 22, 2012
I am making a banking system in Vb.Net but I had a problem with this function. If a user fails to input the pin number for 3 times, it will be block automatically and will need the admins permission in order for that person to activate the account again. I really don't know how to code the blocking of account and asks for admins authorization to unblock the account again. By the way I'm also using MsAccess as my database for my Bank Simulation.
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Jan 15, 2011
I need some help with the input validation of my application. Attached is the code that I have written as well as a screenshot of the front end. I specifically need input validation to verify that the user selected input for cbLengthOfStay is a number between 1-10 as well as input validation to verify the user input for txtMedication, txtSurgicalCharges, txtLabFees and txtRehabilitation is a positive numerical number. Please feel free to critique my attached code. [Code]
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Feb 19, 2012
If my Category and Forum selection is incorrect I am sorry and feel free to move it. I'd like to have the users input in the message box that will show. For example: There is a textbox and the user puts in their name as Bob. Then the message box would be: What my main goal is, is being able to include the users input they type inside the textbox inside the message box.
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Sep 23, 2010
Part of my assignment is to check if input to Group Number and Number of Units are correct input by making error handling exceptions...
I have to check the following:
a) group number is neither 501 nor 062
b) number of units are NOT numbers
c) number of units is NOT a positive number
So my first question is, am I checking correctly? 2nd question is, How do I make sure my Exceptions will pertain to their correct respective things (a, b, and c.. above)?
[Code]...
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Mar 29, 2011
I have this web application (LAN) that sends an email when users registers to one of our events.[code]...
The application sends the email without problems. The issue is that somehow a third person is enlisted in the cc, and receives a copy of the email!
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Aug 24, 2010
I'm trying to include a user control in an aspx page, it works fine, but my control does position itself where I want it and always appears at the very top of the page. Could it have something to do with the masterpage? I've tried registering the user control in the master page, but I don't know how to reference it in the content page.[code]
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Nov 3, 2011
Option Strict On Public Class Form1 Private Sub btnDistance_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDistance.Click 'The btnEnterSpeed click event accepts and displays up to ten speeds from the user'and then calculates and displays average speed
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I cannot figure out how to incorporate the number of days into the input box then get it to loop and count the number of times the User inputs in the number of days. Then I have to incorporate it into the equation to get the total distance D = MPH * Hours. What I have right now wil not count up the number of days and locks up after I input one number and will not add anything to the listbox. Because I also have to make sure that they cant add nonnumaric values and the number of hours per day cannot exceed 20. I have put things in and taken them out but it has been 2 days and I am lost now
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Jan 19, 2009
Below is the code i am using for user input which works fine apart from one thing that i can not work out how to do.I want to detect if a user had inputed a character in the wrong place. The correct input is:
D:Folder name
The incorrect input is:
D:Folder name
How would i detect the extra '' at the end?
Private Sub OK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OK.Click
Select Case Doc.Text
Case ""
MsgBox("Invalid Path")
[code].....
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Jan 12, 2010
Thrice User Shuld Allow To Put The Wrong Login Id And Password
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Jan 12, 2010
I've got a DataGridview I want to remove columns from as it greatly increases performance when I format the DGV. The first time I remove columns in a loop (using the removeat) property, everythings fine. But when I try to remove more columns in another loop, it appears to remove the wrong columns and displays the wrong data. In other words, it displays the wrong data and headers; and the columns it does show has headers and cells that don't match.
[Code]...
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Jul 14, 2009
I'm trying to save what the user types in the vb code Dim user as Inputbox("") for example in a .txt file i can save the textbox and listbox but i cnt figure out how to save the inputbox i really need this to be saved the most.
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Feb 11, 2011
I am creating a form for work where managers can report when they find a customer's personal information laying around on a desk (we work at a call center where agents answer calls for a wireless cell phone provider, so we take personal information security very seriously). Anyway, I am wondering if there is a way to have a text box autofill with that manager's windows username (since they will need to be logged into their own profile to use the form).
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Mar 11, 2010
I need something tje user can type in data to such a parts QTY cost etc. There are no predefined parts list so the user can enter any part name/Number and there is no limit to amount of parts that can be entered.
Does anyone have any idea what might be useful. It was thinks of a listview bu i can't see that you can type into that. I cant use comboboxs because there are no predefined list and i know there is some way to generate text at runtime (i think) but i don't know how to do it and i would prefer a clearer approach.
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Dec 15, 2011
My application is like this : i have to search my data from database with some check box and text box when user select check box specific function go on and then when user enters some range of value in textbox then the result will shown in data grid view after that i can print it by selecting data
my vb.net code is as follow:
Imports System.Data
Imports System.Data.SqlClient
Public Class XtraForm1
[CODE]............
I m also pasting the demo picture.
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Mar 6, 2010
How can i allow the user to only check one check box on a CheckedListBox1..I was thinking of using a timer but that might be a stupid thing to do.
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Sep 2, 2011
I am making a program that NEEDS to be password protected, so i made a textbox with a code so that when the user enters the right password it lets you in. But if the user/person enters a wrong password 2X it will kick you out. So is there a way to keep the
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Mar 21, 2012
I'm trying to check if the input in the "enterKey" is 1) Numeric input value, 2) Integer input value, 3) Non-negative input value, and 4) Input value less than or equal to the Maximum Score which is 10. When I enter the number 10, my error message pops up.
Here is my
If e.KeyCode = Keys.Enter Then
If (IsNumeric(txtQuizScores.Text)) _
AndAlso (CInt(txtQuizScores.Text) >= 0) _
AndAlso (CInt(txtQuizScores.Text) <= 10) _
AndAlso (CInt(txtQuizScores.Text) Mod 1 <> 0) Then
[Code] .....
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Apr 20, 2010
how to checked Radio Input on webbrowes with code ?
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Jul 18, 2012
How can i check whether the text box is numeric or not? Because i want to do validation. but i tried many style still cannot work.
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Jan 17, 2011
I am trying to figure out how to read a text file and check the value entered into a textbox to see if it already exists. Its basically a validation list.
I found some code on how to read a text file, but I do not know what to do with the information.
Sub Main()
If RadioButton1.Focus = True Then
'Check TextBox1 value against list of known part numbers
[Code]...
How do I compare the textbox value to a line read from the file and stop if there is a match?
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Jul 27, 2011
How can I know if I input a valid Birthday of a person in vb2005 windows base. If the user input the current date it must put a message that it is not a valid birthday.
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Nov 30, 2011
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
If txtSubd.Text = "" Then 'If the input is blank
'DO NOTHING[code]....
So far this works, unless I enter random text. I need this only to run if a online .txt is entered.I tried System.IO.File.Exists, but thats more local files right?
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Sep 8, 2009
i need to take input in text box that will be integer. when the button is press it will check whether the input is integer.
can i do this using isNumeric Function?how?
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