Password Loop Textbox - Code Works To Read The Entry Data And To Recognise The Correct Data, And The Incorrect

Apr 16, 2012

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.)

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VS 2010 - Correct Way To Read Data Into Textbox

Jan 31, 2012

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?

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Code For Ignoring The Case Of An Entry While Checking To See If The Entry Is Correct Or Not?

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Jan 8, 2010

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 ?

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Mar 8, 2009

I'm presently creating an application which uses Access2007 as the database. No problem there. But Since most use Excel for data-entry, i've created two tables in access linked to excel source file. Any change in excel will reflect in Access database and subsequently in my Application . Until now my application only reads the database and displays records in DataGridView. These records, i then export to excel along with other formatting for direct printing as a report as I have no idea how to make report. Now i want to add data-entry capability to my app using password-protection user-access. So i can directly add new record to source file. Also need to know if There's any way of eliminating Access from the picture entirely....

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Password Characters - Get A Textbox Being Using For Password Entry To Display The Black Circle

Feb 10, 2009

How do you get a textbox being using for password entry to display the black circle that you often see in web forms, on the iphone etc etc?

I can change the PasswordChar property to an asterisk no problem and even copying and pasting symbols inserted into Word seemed to work - just couldn't find a symbol that looked like a bullet point!

Can this actually be achieved for a standalone exe, or is it something unique to web forms? Surely copying and pasting symbols from Word isn't actually the answer?

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My app is a fairly simple and im sure with the right knowledge this would take 2 minutes.. but sadly iv been at it for hours. So my scenario here is a huge network with 20+ file servers all with data spread out across them it can take hours to find the folder required.

Hence this app.. so it consist of a input box, progress bar and a button, using FileSystemObject I plan to interrogate a directory to see if a folder exists (folder specified by user input) however it need to check multiple directories, in my old app I used a list box which wrote to a text file allowing the user to add additional directories then using if statements proceeded through the servers.. however they have added that much that my IF's have ran out really because i know it should have been a loop

Imports System
Imports System.IO
Public Class Frm_main
Private Const FILE_NAME As String = "C:directories.txt"
Dim objReader As New System.IO.StreamReader(FILE_NAME)
Dim Lines() As String = IO.File.ReadAllLines(FILE_NAME)
Dim Dir As String

[CODE]...................

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I have setup a page in Excel with several textboxes for data entry. I would like to be able to tab from textbox to textbox so I can enter this data as quickly as possible.

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Jun 18, 2012

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Sep 15, 2011

I want to retrieve a data from my mysql database into my textbox, my problem is how can i show the previous and next data in a column? because it only shows the last data entry.

this what i have done so far

Sub filltextbox()
strsql = "select * from tbl_studinfo"
mysqlcmd.CommandText = strsql

[Code].....

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Read A List Of Data Into An Array Using A FOR NEXT Loop

Mar 1, 2010

I cut my programming teeth on QBASIC so apologise if I'm a bit behind the times. I wrote a program in QB and I'm trying to convert it to VB.NET. One stumbling block I've hit is the DATA & READ facility, there does'nt appear to be an equivilant in VB. I want to read a list of data into an array using a FOR NEXT loop.

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Use The Timer_Tick Function, To Loop A Data Read From A COM Port?

Jul 2, 2011

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Incorrect Data Inserted On Data Table (sql)?

Aug 27, 2009

myCommand.Connection = myConnection
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myCommand.CommandText = ("Insert INTO tblStudent (Middle_Name) Values('" &

[code]....

the excution of the program and inserting only happened on this line of the program

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i want everything to be entered in on the first row of my sql database?

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Currently we are using a VB script macro created in word to create some fairly simple forms based off of data entered on a data entry form. I am very new to VB, and I have been able to create many applications using forms, but I have absolutely no history creating reports. I have been reading up on the reports, and it looks like they are designed to use with data sources like tables. I merely want to take either data from the entry form, or from data derived internaly from processing the user entered data and populate a defined report "form". I have been searching, but there is so much on printing reports, that I feel overwhelmed. I am not looking for the exact answer as much as a link or place to look for a sample for what I want to do.

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Loop Data At Code Behind ASP.NET ?

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cmdDa = New SqlDataAdapter("SELECT * FROM announcement ORDER BY announcement_PostDT DESC", conn)
ds = New DataSet()
cmdDa.Fill(ds, "announcement")[code]....

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create website involving payments plus some data entry eg booking of some facilities with the main data kept at a LAN window system.

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I have an application that receives data input from an automated set of devices. This data stream I have managed to capture & get it into a list box which I can sort based on the Device ID & the time that the response was received.There is a set time window for the devices to transmit their data into the application and during this each device is not limited to the number of responses it can send (ie :- Device 1 can send in 2 responses where Device 3 can send in 40 responses, etc).All of the responses are captured, listed & sorted within the listbox (this bit is working ).I now need to extract the last (ie:- latest) entry in the listbox for each Device ID & this is where I am stuck. I can retrieve the last item in the list but cant seem to extract the last item for each Device ID.[code]

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I 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***
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#Z01PWRON,SRC3,VOL05<CR>

[Code].....

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Make A Program With First Form To Enter The Serial If Correct Just Continue To Form2 If Incorrect Just A Popup Say Like "Serial Incorrect"?

Aug 13, 2010

i just want to make a program with first form to enter the serial if correct just continue to form2 if incorrect just a popup say like "Serial Incorrect" how i can make it ?

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I have a data entry screen to collect data. At the bottom of the form I have buttons to add a new record, save current and add, save current and end, and an end without saving. The buttons all function properly. After clicking the save current and add new record button, a new blank record comes up with the cursor on the save current and add button. I haven't been able to figure out how reset the tab order so the first field in the entry screen is ready for data. I'm coming up empy on my research.

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Sep 3, 2008

Im working on a HSD 32 bit data bus to serial converter via a microcontroller. Now first I want to make a sort of data sniffer to read the data bus (32Bit) .All on the controller side is working and the stream of bytes are coming in via RS232 as 4 bytes in HEX like FD,A5,45,8B . I already converted the bytes in Dec and ASCII to determine what is passed true the bus and how fast and stuff.. Now that is all correct and working very well if the LSB (least significant bit) of the 32 data bus is Data line 0 and the MSB (most significant bit) is Data line 31 but if that is not the case I need to invert the 32Bits (like as I would invert the connector on the bus) . How do I best do this using the 4 bytes I send from the micro controller.

Example:

(MSB) 01001000 01100101 01101100 01110000 (LSB)
HEX= 48 65 6C 70
DEC= 72,101,108,112
ASCII= H E L P

I need to invert it with a button to:

(MSB) 00001110 00110110 10100110 00010010 (LSB)
HEX= 0E 36 A6 12
DEC= 14,54,166,18
ASCII= (SO) 6 : (DC2)

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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.

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Now in this situation, I need to work in a barcode scanner behind the scenes. What I need to do is a user scans a barcode using the reader, and the scanning of the barcode should trigger some code in the background (which does some checking against a database, and then activates something in our electronics, and so on). After the user scans the barcode using the scanner, there is still supposed to be no user-interaction with the program itself.

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Apr 30, 2009

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)

[Code].....

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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]...

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How do I (Add code to read and use the data from the Sales.txt file

2/1/07,Books,10.00
2/1/07,Games,29.99
2/1/07,Books,15.99

[code]......

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Jul 5, 2011

I would like to write a code to read data from .gpx file, but I get stucked with classes: I have a problem with creating working array of objects in object and setting or getting data from it.

I wrote this:

Module Module1
Sub Main()
Dim i As Integer

[code]....

but I get always the latest values of points for all slots of array... Lets say we got 3 points as an input: 1. lon: 5, lat: 1; 2. lon: 2, lat: 3; 3. lon: 4, lat:9. I always get the same values for i = 0 to 2... lon: 4, lat: 9.

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Code Read The Excel Cell As Null When It Contains Data?

Mar 29, 2012

Using VB.Net, I am reading an Excel spreadsheet does anyone know what might cause a cell to be read as VBNull when it contains data?the cell clearly contains data. and what is extra weird is all the same cells in the rows before and after the bad one have the little green triangle in the upper left corner, indicating an error - but they all read fine the cell that reads as NULL is the cell in row 4 above

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