Reading Value From Text File And Create Matrix?

Mar 11, 2010

I am trying to read the matrix (see this link [URL]

This matrix will be in text based file. How can I read this file and create a matrix and fill it in my code. The other question I have is that the matrix has first row and column with value as char and rest values are in integer, how can I take care of this?

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Create A Matrix Through An Iteration In Python?

Jul 18, 2011

I want to create a (3n*7) Matrix in python through Iteration, I did this in VB.Net and it worked but it gives me some challenge in Python as this a new language to me. n can be the number of Iterations to build up the matrix, i.e. ; if u iterated 3 times, the matrix will be a 9*7 matrix. Here is how I did it in VB.Net. :

[Code].....

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Create Excel VBA Objects With The Command (Dim X As Matrix)

Aug 27, 2010

just hoping that someone may be able to point me to some information where I can create VBA objects in vb.net (I am using VS2008). For example, I would like to create a new object in VBA with the command (Dim x as Matrix) where 'Matrix' is an object with various properties and methods.

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Reading, Then Using, Then Reading Text File?

Jan 2, 2010

I am working on a project in VB 2008 and need it to do this:Read first line from text file (using Openfile)Enter line into textbox on formDo some other codeThen Read second linefrom text fileEnter line into same text boxand loop until we have gone through text fileI am not sure how to read line by line from text file then enter it in textbox. I can open the Openfile and get the filename and everything, but I just am not sure how to read from it or enter that line into the textbox.Here is what I have, its not much but its a start:

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim FileReader As StreamReader

[code]....

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Print Raw Text Using Dot Matrix Printer?

Aug 10, 2011

I want to print text line by line by passing raw text per line to dot matrix in vb.net. Is that Possible

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VS 2010 WebRequest.Create() Not Reading Text Files Properly?

Mar 1, 2011

I borrowed part of this routine to download files, and it works great; except when I download text files the returns aren't written into the outputted file. I've tried different web request and techniques with no luck in solving the problem.

Test file:[URL]

Private Sub DownloadFile(ByRef FileSource As String, ByRef FileDestination As string)
Dim request As WebRequest
Dim response As WebResponse

[Code].....

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Reading A Specific Line From A Text File And Displaying It In Individual Text Boxes?

Feb 16, 2010

I've been writing a weight program for flooded pressure vessels and I'm having trouble retrieving the data from the text files I've been saving. I know how to write the data to the text file, but retrieving it with OpenFileDialog is not so easy for me.The user has individual text boxes that they input strings or numbers into and when they save the file, each text box input is written to one line in the text file. For example, the first text box is for the username, therefore the first line of text that is saved is the person's name, the second text box is the customer, thus the second line in the text file is the customer name, and so on.

(Actually, the first line of text in the saved file designates whether English units were used or Metric units because when the user retrieves the saved file, English units will open one form and Metric units will open a separate form, so some If...Then statement will need to occur).I need to be able to read the first line, have either my "EnglishForm"form open or my "MetricForm" form open, and then have each subsequent line of text be displayed in their corresponding text boxes. I know I need to use ReadLine or LineInput, but I don't have a clue what to do.Assuming the syntax I've displayed below would just magically work (if only life were that easy), it would look something like this

If FirstLineOfTextInFile = "English" Then
EnglishForm.Show()
ElseIf FirstLineOfTextInFile = "Metric" Then[code]....

And so on...I read a lot of articles from the MSDN library and exhausted each link that I've looked through from Google and Bing, but most only retrieve data from the file to a single text box through some loop or streamreader and don't take into account multiple forms.

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Forms :: Reading File, Split Text And Write To Text Boxes

Jun 25, 2010

I'm trying to read a text file that contains info like this:

ACX-101-011 , J2168
BTXR-130A-013, D6733
AJ4-233-614, T8211

I want to split each line at the comma and write the left side to a textbox and the the right side to another textbox. I'm close, with the code below, but I can only post results from the first line in the file. How do I loop this and append the text results in each of the textboxes.

Dim TempFile As String
TempFile = "temp.txt"
Dim sw As StreamWriter

[Code].....

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Reading A Text File Into A Checked List Box Through The Open File Dialog?

Apr 4, 2011

I have a checked list box that is populated with the text from a text file. I started off with this code:

Dim FileToLoad As String
FileToLoad = TextBox3.Text
Dim fs As FileStream = New FileStream(FileToLoad, FileMode.Open)

[code].....

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File I/O And Registry :: Reading TAB Delimited File Using MS Text Driver

Jun 14, 2011

I am trying to import a TAB (NOt comma) delimited text file into a DataGridView. The following code works fine if I have a comma separated file. All I have to do is change the FMT to "Delimited".It just does not work with FMT=TabDelimited. All columns are read into single datatable column. The text file is ANSI text and I have double checked to make sure Tabs are tabs and not spaces, even exported a sample Tab Delimited file from Excel.Can this even be done using Text Driver? [code]

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Play A WAV File While The Computer Is Reading Aloud A Text File?

Nov 20, 2010

How do I play a WAV file while the computer is reading aloud a text file? It uses Text to Speech synthesis and I need a laughter wav to play when the computer comes across something funny in the line.

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Database Is A .sdf File Created In Web Matrix?

Jul 31, 2011

I am writing a small aspx web application that takes in forum information after validation and then opens a database connection and populates the proper columns with data.note: The database is a .sdf file created in web matrix My issue is that even with: Import Namespace="System.Data.OleDb" on the page I am getting:
Type 'OledbConnetion' is not defined. I am extremly new to VB, I am coming from java and honestly I do not have all year to read vb code and take classes and read books. I need to finish this app for a client so I am kind of rushed.

[Code]...

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Reading Text From A Text File Into A Listbox

Dec 15, 2010

I'm a little new to VB, and I'm in a class for it, but I'm trying to do something we aren't going to learn in the class (mostly out of sheer interest) and I need help. I'm trying to read lines from a text file into a listbox, each line representing a new item on the listbox. For example, if the text file reads: [code]I want to be able to take that as is and read it into a listbox, where those words would appear in the exact same fashion; as a list, each as separate items. I've looked at the Help stuff and learned (sorta) about delimiters... but the thing is I don't want to write my entire list in a continuous line separated by commas--I want it to keep reading each line, and moving on to the next, until there are no more lines left. I am thoroughly stumped, and would appreciate it SO much if someone could help. For a frame of reference, this is the point I'm at now with my code: [code]Note that when I run the program, all it will do is read the first line of text available and stop; once I press ENTER in a text file, it decides to stop reading.

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Reading Text From Online Text File

Jul 30, 2009

im trying to read a online txt file and its not working [code]but it has a uri error i think in doing it wrong but need help with how im doing it wrong, all i want to do is read the text from a file online not from the system should be easy.

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Reading Text From Online Text File?

Jul 4, 2010

Usually, the text file that would need to be read and processed would be local (on the computer the program is run), but for this example, we need to get the data from an online text file.

I have searched on google for nearly an hour now and haven't found anything of any real use. One of the earlier projects we submitted used a similar target, and I managed to get it working fine, however I dont have the original source code with me and I cannot remember how I did it.

I believe I used a Net.WebRequest method of some sort, because I had tried using StreamReader and ended up with an URI error or something like that.

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File I/O And Registry :: Text File Reading And Writing?

Jul 17, 2010

I have just recently been using VB 2010 after using VB5. I have noticed a lot of changes. The problem I have is that I wish to open and save text files to and from arrays in the background. I've attached what I would do in VB5. I have searched around, but all the examples I find use a Textbox instead of an array. Can anyone show me how I can do this with VB 2010?

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Reading Text File And Append The Text File?

Nov 2, 2011

I want to read the text file and check whether its contain the specific string or not at the end of the text file. If it doesn't contain the specific string, I want to append the text file to write the specific string.. Can I use this code? But its not working..What is the problem actually?

Dim line As String = ""
Dim fileName As String = "C:\Drill Blind.txt"
Dim sr As StreamReader = New StreamReader(fileName)

[code]....

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Reading A Text File

Jan 25, 2010

I have a fixed width delimited text file, the data spans over several line. I do not know how to approach in reading this file and displaying its results to a gridview.

[Code]...

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Reading A Text File?

Nov 29, 2009

How could i echo individual lines?, Like for example if i want to echo the hostname line, How could i just echo 'Christopher's Testing server', and not the hostname part too?

echo Executing Server Config...
lanmode 1
rcon_password changethis
password password321
maxplayers 20

[Code]...

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Reading From A Text File?

Jun 10, 2011

why this doesn't work?

Public Sub LoadFile()
Dim file As StreamReader
Dim temp As String

[code].....

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Reading From Text File

Apr 30, 2010

got this code where users created txt file with email address and password [code]

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Reading From Text File?

May 29, 2012

I want to know how you would read in from a text file line BY LINE with timer and put it in a Listbox. Lets say I want to read this text from text file

1234232123
12342321
234223423421
23423233

Now i set the timer interval 300 and debug, i expect this to put each number in the listbox. I tried doing this but i failed

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Reading Text-file From CD?

Jun 26, 2010

I want to check if a textfile is in a CD, read the file, and if it contains the text "blahblah", do something. If it doesn't, MsgBox("Error!"). :P I only know how to open and close the CD drive. >_<;

[Code]...

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Display The Elevation Value In Resolution Of 11x11 Matrix From A DEM File?

Apr 8, 2009

My work is, I have a DEM file and header file of it.Now, I want to display the elevation value from the DEM file of the given Longitude and Latitude.And, I worked on it before,Where I could get the elevation value with the resolution matrix of 6000x4800 and I can able to read the elevation value.But, now I want to modify in such a way that I should read the elevation values from the DEM file with the resolution matrix of 11x11.So, kindly guide me in getting the elevation value with resolution of 11x11 matrix.The code I have used before to display the elevation value with resolution of 6000x4800 are:

[Code]...

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Get Elevation Value Of Given Latitude And Longitude From A DEM File In 11x11 Matrix?

Apr 2, 2009

I need to display or get the elevation value of a given latitude and longitude from the DEM file in 11x11 matrix array.Actually I have a DEM file and corresponding HDR file of it.And, the DEM file is 6000x4800 Matrix with 57600000 data's.Now, I worked with some codes where I can able to get the elevation of a Given latitude and longitude.But, When I Zoom IN or OUT,the Latitude and Longitude values changes so,when I pass the changed latitude and Longitude value,I could not able to get the elevation value.The reason is,

In the 6000x4800 matrix the Resolution of the X and Y is large,so when we Zoom IN or OUT the resolution changes and could not display the elevation value.But, where as if we get the elevation values in 11x11 matrix array,since it has 121 data's only, the resolution value will be small and even when we Zoom IN or OUT and pass the changed Latitude and Longitude, we could able to get the elevation.[code]....

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Use The Data Of An Access File Table As A Matrix Directly?

Apr 13, 2012

how to build it and how to manipulate it?can i use the data of an access file table as a matrix directly?

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Error In Reading A Text File?

Feb 26, 2012

In my project i read text file line by line by checking with a specific word and store that line into textboxes.

My code id

Dim fName As String = " Z:\rdf1.txt" 'path to text file
Dim testTxt As New StreamReader(fName)
Dim allRead As String = testTxt.ReadToEnd() 'Reads the whole text file to the end

[Code].....

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Looping In Reading Text File?

Oct 14, 2011

Here is my code for splitting "," from the text file. But the problem is I don't know how to include looping in the code to make the code read the whole text file. when I run this code, it's only read the first line of the text file.

Dim sr As StreamReader = New StreamReader("C:\drill.txt")
Dim data As String()
data = sr.ReadLine().Split(",")

[Code].....

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Performance Reading Text File?

Jun 14, 2012

i have this simple code from a vb.net project:

Using sr As New StreamReader(NewSwitch.ActFolder & NewSwitch.ActSShowName)
worker.ReportProgress(LoadSwitchProgressType.Normal, "Loading Active SupportShow, size " & NewSwitch.ActSShowSize & "...")
NewSwitch.ActSShowData = sr.ReadToEnd
End Using

Obviously it reads a file - a 20M text file to be exact. Now if this 20M file is on my PC, it reads in about a second. If i open this same file in a text editor, such as Conext, its about the same.However, if this 20m File is on a network location, the Context text editor loads the file in about 1 min 40 seconds. I would have expected similar times with my vb.net code, but it took 7 minutes 45 seconds.I have no idea what the text editor uses to read a file, but i figure i must be able to get similar time in vb.net somehow.

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Randomizing The Reading Of A Text File

May 21, 2009

I am creating a hangman game for a class prject. I have done everything apart from randomising the word that is loaded in. I have tried a few different types of code but just can't seem to get it. I have tried this:

[Code]...

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