I'm trying to read data from a text file into an array and then loop through all the lines and display it into the textbox, only problem is i want each line on a new line so this is what i have:
[code]...
But that adds a newline to that last line causing a out of bounds error.How do i make it add a newline for each LINE except the last one?
CODE:
That code works to read the entry data and to recognise the correct data, and the incorrect. However, even if entry is correct, the error msgbox will appear (x times of how many records there are in file), despite being navigated to the menu. Anyway that the Else isn't triggered when data is correct. Also for it to appear just one instead of (x times of how many records there are in file.)
Is it possible to have a Textbox on a form that when the user inputs data, ( during Runtime )that data remains in the Textbox for good and the Textbox then becomes read only ? Is it also possible to make it so that the CD with the programme on, is in the PC when the programme is being used. Perhaps writing the Textbox data back onto the CD ?
View 1 RepliesI'm converting older VBA code to VB. I'm using Visual Studio or VB 2010 but am new to this "oop" approach and not a seasoned programmer. Scenario:
1. Open new Excel worksheet (see below - will this work?)
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I want to be able to load & read (and later edit) .csv files into a textbox in Visual Basic 2008, If possible.
View 7 RepliesHow can I read a textbox.text value when the textbox is not visible. This is a textbox that has been pulled on the form from a dataset. When it is visible it is fine. When I make the textbox.visible = False it no longer reads that value.
View 15 RepliesBasically what I want to achieve with this code is to read the text file and import the corresponding line to its textbox. But when i run this code BUT_A.text returns the value that is set for BUT_B on the textfile then any code after that doesn't import at all. Here's the code I am using for the open button (I'll be adding a OFD later)
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EMP_IDTextBox is from datasource on a form, and I tried to show messagebox to see what the value is
Whenn I try case 2, the messagebox shows me correct value, but not for case 1. It shows me no value even though there is a value.
How do I do it and what is the diffrence between case 1 and case 2?
I tried with a textbox which is not binded to datasource on case 1, then that shows me the value.
Case 1
Public Sub Save_Data()
Dim L_EMP_ID As String = Me.EMP_IDTextBox.SelectedText
MSGBOX(Me.EMP_IDTextBox.SelectedText)
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I been google search for a while (a month at least). My problem before is how to read raw data from access. however, i find out that access not suitable for my project. I more interested in using Excel, because for later analysis i would came out with graph using excel rather than using access. Since, i been develop a GUI Program for Battery Cyclic Test. The part for Cyclic Test and DAQ Interfacing is done already.
My weakness is not been able to understand/know how to read raw data for particular column, and display it into textbox. In many out there forums or discussion, they explain about this kind of database by using class in VB. But, i would like to implement excel data manipulation in VB-Window Form Application.[code]...
Essentially what I'm trying to do is read a particular line of text from an integrated web browser (webbrowser1) into a textbox. The user will enter an id number into a textbox which will automatically search the online database search that will be open in webbrowser1. What I then want to do is read the resulting html text into particular textboxes.
View 7 RepliesI am trying to read from textbox and insert a query But seems like it does not read from my textbox.
vb.net
ComboBox1.Items.Add(TextBox3.Text)
TextBox1.Text = ""
TextBox2.Text = ""
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The code below allows me to write a single line to a textfile. Id like to be able to open an entire textfile into a textbox, be able to edit said text and have it automatically write back to the same textfile.
Private myCoolFile As String = "C:UserskevinMy Documentspasswords.txt" '// your file.
Private myCoolFileLines() As String = Nothing '// String Array to read File Lines into.
Private sTemp As String = Nothing '// temp String to be used as needed.
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i need to take data input from a textbox such as this
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and get it so i push a button and it seperates it out so it adds and looks like this inside a display field
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How can I read an online text file(just a textfile that is uploaded online) in a Textbox or a label in visual basic 2008? This is all i could find and when im using it with VB2010 it says:"A first chance exception of type 'System.Net.WebException' occurred in System.dll"
View 1 RepliesIs it possible, create a button that can start looking for files in a particular folder and open and close each 1 of them.
Eje: Search in c: est (here open and read all files on folder in texbox) test.txt, test2.txt, ...
Open 1 and close to open 2, close and open 3...
I write the folder to search, and program find and open and close all files in the folder.
I want to make an option to load a playlist file into a textbox.. To do this i guess i will need the OpenFileDialog and Streamreader..
Untill further i have done this
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
OpenFileDialog1.Filter = "Playlist files|*.pls;*.asx"
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I want to be able to read ONLY the link from the file.. In the first file above it would be after the "File1=" text in the file.. And in the other file it should be whats written after the "<ref href="" part..
And as you see in the second file there are three links, so to start with it should only read the first line, maybe later i could make a selection window popup or something..
how to read data from mifare card (ACR120S) and place the data on textbox on screen?? Jz like touch and go function. Thx...
View 4 Repliesi have a form with one combobox and textbox now on other hand i have a sql database named balance with two column one as customername and and another as obbalance now i had binded all the customer name to the combobox now what i have to do is wen user selects a customername from the combobox the textbox should show the obbalance of the selected?
View 1 RepliesWhats the correct method to read an Atom feed?
View 2 RepliesI have a login form and what it does its uses datastream or webrequest and post's a url to a php file i have. If the login is true, it will return a 1, if it is a bad login, it will return 0. But my problem is that the acars wont read 1 or 0. it reads all of the html on the page. Is there anyway i can make it so it only displays a 1 or 0 to the acars, and not all the html of the page?
View 1 RepliesI am using Visual Basic express to create a serial interface to a multi-room audio controller. I have started by creating a form that can connect to the controller and I can receive data from the Controller and display Zone status, volume etc in corresponding texts box thaks to help from Stanav and Tassa in my previous thread.
My next problem is to do with receiving lots of data from the serial port and my application getting out of sync. This is mainly caused by turning the volum control as each time it is turned a little bit the controller sends out the new status of the Zone being effected
eg
****Turning Volume knob on Zone 1***
Status returned from Controller:
#Z01PWRON,SRC3,VOL05<CR>
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I try to find the example for reading data from USB Joystick using VB2010 but I couldn't. .
I found some but all were VB6.0.
Do I need to install DirectX or which component should I use. I can read data from mouse and keyboard.
In VS2010 VB create a data connection using this:
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how am i going to check if the directory that was inputted in the textbox is a correct directory?
View 2 RepliesHere is my code that I wrote its very simple.
Normal Code
If TextBox1.Text = "PleaseHelp" Then
Button1.Enabled = Enabled
End If
BUT I need like multiple correct logins I don't know how I forgot! EXAMPLE: If TextBox1.text = "PleaseHelp, HELP, Thanks" <--- gives me a error I know it isnt the correct way! I just cant figure it out and its basic code....
everything in the code works except for 1, in line txtTotal.Text = (Val(txtHomeTax.Text) + Val(txtLandTax.Text)) is where i think I'm having troubles. it shows 0 everytime, I use val but it still shows 0. but if I remove the val, it will show both numbers together
Public Class frmMain
Private Sub btnGenerate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGenerate.Click
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I'm looking for regex to verify a correct domain has been entered into a textbox, it must have http:// conditional www. also must verfiy it has a TLD but must except TLD in this format to: .com.au, co.uk etc etc
Example of the regex i would like to outcome is [URL] or [URL] no trailing text like index.php
I have a form that allows users to enter information into a few textboxes. When users click save, the information will be transferred into the datagridview.
My problem now is, for instance, there is a textbox called "Price" with the datatype "money" which users are only allowed to enter numbers. If users enter alphabets, errors will occur. I don't wanna use try catch, I would like to try different methods such stopping users from entering anything into the textbox when the datatype isn't correct - nothing will appear in the textbox when users hit all the keys in the keyboard except for numbers.
Using this
TxtBox = New TextBox()
With TxtBox
.Name = "T" & reader("area").ToString
.Visible = True
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The name would come out like "T3" Now I want to put a value into that textbox.How can I address the correct Textbox?
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.