I'm trying to convert data from a vb6 application. Using get and put I saved a structure to a file in vb6. I'm now trying to read it into a vb.net class using BinaryReader.[code]...
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How can i write and read a array of a structure to a file? I have the following structure
[Code]...
I have an array of structure like this:
Structure Planner
Dim Type As String
Dim Circuit As String
Dim Socket As String
Dim StepCMDText As String
End Structure
how do i write it into a file? (also read it later
How can I write/read a structure variable to a file?
The structure variable is declared as :
Public Structure StructDimensions
Public RectHeight, RectLength, RectWidth As Double
Public PitchedLength, PitchedWidth, PitchedHe, PitchedHr As Double
[Code]....
Is there a simple way to create a file for this type of data?
Define a structure named product, The structure should contain 2 variables one as a string and the other as a decimal. The decimal is used to store the price and the string is used to store the item number.
Declare a module level array that contains 5 product structure variables
Code the main forms load event procedure so that it reads the item number and prices from the itemInfo.txt file The procedure should store the item numbers and prices in the module level array. It also should add the item numbers to the list box.
When the user selects an item in the list box the items price should appear in the xPriceLabel. code the appropriate procedure.
The code I have is as follows
' Project name: Glovers Project
' Project purpose: The project displays the price of an item.
' Created/revised: <your name> on <current date>
[Code].....
Seems the problem I am having is this line is returning a value less than 0.
itemprice = (itemnumber.Substring(productIndex, newLineIndex - productIndex))
i have the code bellow to write a structure to a text file, but nothing is happening,how can i get a error message if the file doen't exist?
Imports System.IO
Imports System.Runtime.Serialization.Formatters.Binary
Public Class Form1
[code]....
Can i create a structure file in vb.net in windows form ?
View 2 RepliesHow can i read an object "Structure" data from saved file into an array?" I saved my data by (FilePut) Function "this is part of the code I used
Dim MyFile As String = SaveFileDialog.FileName
Dim X As Integer = FreeFile()
FileOpen(X, MyFile, OpenMode.Binary)
[code]......
Reading a .txt file in VB.net. My file path is C:UsersMyLilMulePepeDocumentsVisual Studio 2008Projectscurtain_calls.txt.
This is my line of Dim LoanOptionsFile As String = "C:UsersMyLilMulePepeDocumentsVisual Studio 2008Projectscurtain_calls.txt"
I can read the file when I run the program, but how do I write the file path so that someone else can download my program and file and read the file on their system?
I am making trying to make a program that can read the file information directly from a specified file, but I am having a lot of difficulty reading things like file comments.An example of this can be found in windows XP when you alternate / right click on any file and click on properties. You'll get a lot of extra information.Now I have a few questions about this.
1.Can this information even be read in VB.NET
2.If so how
3.If not do I need to create some kind of data file to store the file information
Here is what I did so far
[Code]...
Does anyone know if you can actully read a file from your visual basic program? i just built a program and an updater with it and tried it on a few free hosts, but everytime i upload the version.txt and navigate to it i get a bad exstension error in the browser, anyone know how i can override this or of a free host that allows me to to it?
View 8 RepliesIs it possible that we can include word read me file in our vb.net Project.
i.e when we click on help the read me ms word file should be opened.
How can i read a .sql file in vb.net and execute query which in file?
View 2 RepliesI have to read some float values in vb 2005 from a binary file created in powerbasic .I have declared one structure to read this .In the structure i am trying to read those vaues in single datra type object but the values returned are like 4.02365-E67 I have tried all the data type but unable to read it properly The structure is
Structure ThirtyminUPD
<VBFixedString(10)> Dim MSymbol As String
Dim MTime As Int16
Dim Mopen As Single
[code]....
A VS 2008 desktop .NET program needs to open a PDF file and read its contents as data. That is, the program must scan through the PDF file searching for certain text. The program will not merely open the PDF file and display the contents using a control such as an ADOBE Reader control. It has to actually read the individual data within the PDF.
How can a .NET program read data within a PDF file?
The project I'm working on is to write a program that requests an integer from 1 through 12 and then list the gifts for that day along with that day's cost. The program should also give the total cost for all twelve days combined. The items and price are in a text file called TwelveDays.txt.An example output is shown below:
The gifts for day 3 are:
1 partridge in a pear tree
2 turtle doves
3 french hens
Cost: $249.99
Total cost for the twelve days:
$78,100.30
How to read in the file and add the day costs together.
How do you get your program to read a text file? I know how to import a textfile as a resource. But I dont know how to get the program to show the TEXTin the textfile to a (readonly)textbox1...let me give ya an example of what i meanlets say you wanted to make a program that told the story of the three little bearsalright now we got 2 buttons and a textbox for controls on our form1.button1 moves to the next line of text in the storybutton2 moves backwards to the previous line of texttextbox1 is displaying the story text, from the first line of text in the storythis is what im trying to do
View 12 Replieshow can i make the program read the name of a file in the same direction i want to make a program that when the user write the name of the file the program make search in the same directory and the open it
View 8 RepliesI want to read an xml file into a program and i am getting confused as to which commands to use. [code]my ultimate aim is to convert the xml files into an sql database file
View 2 RepliesI have a byte array and I want to read it using a structure. This is a common situation with structured files having information in various places in the file and it's much easier to read the data if it's mapped with a structure. BitConverter would be great if it worked with Structures, but it doesn't. Basically, I want to read the same memory address either as a byte array or as a structure, or have a function that works like
vb.net
MyStructure = BitConverter.ToStructure(bytearray(), position)
Maybe there's a pointer method to do this?
I am trying to get the program to read a text file online. Thus it can return a result if present inside the text file. If text file contains XXX@yahoo.com Then show form.
Private Sub Form6_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim request As System.Net.HttpWebRequest = System.Net.HttpWebRequest.Create("")
Dim response As System.Net.HttpWebResponse = request.GetResponse()
Dim sr As System.IO.StreamReader = New System.IO.StreamReader(response.GetResponseStream())
im using visual basic 2008 and a made a fully functional webbrowser useing the control. i have a huge list of ad servers and every different one is separated by an enter. i need a way for the program to read the file and block ads from loading.
View 1 RepliesI would like to read a file and display certain lines ( like from line 5 to 10) in a label. i know how to read the file line by line but not the specified line i want.
View 8 RepliesI have a vb program that reads data from an excel sheet and displays it in a datagridview. The problem with this program is that it is able to read the data and display it only when the excel file is opened but when the excel file is not opened, it gives an error report that[code]...
View 1 RepliesI want to save some data to a binary file, and read it later, as in several strings of data.
My objective:
To save the following things...
1. 3 different strings of data, and be able to easily read them later.
CODE:
So when i click btnNextRecord i need it to show data for first employee when i click btnNextRecord move to the second one and so on. But when i click btnNextRecord it only displays data for last Employee and if i keep clicking it, it will keep displaying the same data for the same amount of employees i had entered data for.
Attached File(s)
What my program does is load a file (password list), then progressively reads each line of text in the file whilst writing each line to a new file. After X amount of lines have been written, it should start writing the lines of text to a new document until the initial password list has been split into X amount of password lists. The problem I have is that after hours of tweaking, all I can get it to do is write either blank ocuments, or write all of the lines to only one file. I really need it to be able to split into multiple files, preferably at runtime rather than loading a whole text document into the program in a textbox or array then writing it to new files.Below is the source:
Imports System
Imports System.Windows.Forms
Imports System.IO
[code].....
Is there any way of being able to read the structure of a specific directory in tree view. [code]
View 2 Replies2 - Saves the server XML file it into a folder separate from the root folder of the application.3 - Deletes the local XML file in the root folder of the application.4 - Copies the server XML file to the local folder of the application.5 - Opens the application.6 - Closes the updater.Now when the application opens, it reads this XML file in the local folder. When I run it stand alone, it works fine and can find this XML file. However, my problem is when the application is opened by the updater, it can't read the XML file in the local folder. I check for this file doing File.Exists(XMLfilename) and it returns false but like I said, if I close the application and reopen it it works fine.
I'm thinking that for some reason the updater is "locking" this file so my other process can't read it? I can't close the process before I open the original application so I'm not sure what's happening here. My Update Folder is the users ApplicationData folder and the root directory of the application is in the Program Files folder.
This is my code in the updater:
Dim ImageDir As DirectoryInfo
Dim fi As FileInfo
[code].....
How do you read a CSV file and display the results in a grid in Visual Basic 2010? This sounds so simple but I still can't find the answer to it after googling for a while. I have DataGridView on a form and it's called DataGridView1. I have a csv with just 3 columsn of data and I want to be able to display them.
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