Upon Viewing Generated Csv File Preceding Number Zero Is Missing?
Nov 22, 2009
I've been developing an export program which generate a csv file.
Column_A, Column_B, Column_C
00014, Sample, test
Now upon this data is viewed in csv the trailing zero from column_A is gone. it becomes 14.I revise the writing of data from Column_A which if the start of it is zero i insert a single quote. Upon viewing it in csv i got a '00014 which single quote is visible. how can i remove this single quote? which i expected to view it 00014 only in csv file.
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Jan 30, 2012
I'm working on a project which involves communications with a remote device via a modem. Communication is accomplished via HEX commands. However, with my code below, I am not receiving zeros where they are meant to be.For example, a test file contains the following HEX:
010203040506070809
However, I am only receiving this:
123456789
The zeros are critical.
Private Sub receive_data(ByVal sender As System.Object, ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) Handles SerialPort1.DataReceived
Dim buff As String
Dim i As Short
[code]....
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Jan 24, 2012
MVC3 vb.net Application using built in session management. I have an mvc3 application that I would like to add being able to see the current number of users online to whether they are logged in or not. I have tried using: Membership.GetNumberOfUsersOnline.ToString But that only keeps track of current users logged in which is not acceptable in what I am trying to do. Is there any other method that keeps track of connections?
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Feb 21, 2010
I am using some arrays that are pre-filled and I am having a random number generated between 0-10. That random number will then go in to all 5 arrays and pull the item from that location. I think try to take the sentence that is generated into another string. Once that is complete I then go through the final array to pull all the sentences and concatenate them together.
Currently I've only been able to get 1 sentence to print out of 5...a fresh pair of eyes would prob see where I am going wrong...I've been at this for awhile and wouldn't mind some advice to where I am going wrong.
Public Class MainForm
Private Sub MainForm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
End Sub
[CODE]...
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Nov 2, 2009
For my assignment I have to tell the largest and smallest number in a label, and the numbers are generated randomly in this code:
Dim intNumbers(14) As String
Dim intCounter As Integer
Private Sub btnGenerate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
[code]....
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Jul 26, 2010
I've got a global random type variable, let's call it rRandom.In my code, I generate a random number like below:
Dim iRandom As Integer = rRandom.Next(0, x)
9 out of 10 times iRandom is 0, the other time it was 1. The code isn't on a timer, it happens when I do something (say clicking a button), so the frequency of the code being called is about 2-3 seconds, I say this because I've had similar issues when generating random numbers really fast in a timer, or with a for loop IIRC.X is a variable that, presently, starts at 3, and will decrease until 0, in which it'll return back to 3. Obviously, if X is 0, iRandom will be 0, but it shouldn't be 0 all the time.I'm declaring the variable globally because I remember, again, having similar issues using local variables, idk whether I should be or not.
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Dec 2, 2009
In a project I'm working on, I've assigned each user a unique ID with the following code. [code] However, I want to replace the number at the end (RecordCount) with a randomly generated sequence of 4 numbers (no 2 can be the same).
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Feb 26, 2009
I am trying to generate a random number during testing using NUnit, but it keeps generating the same number. I am using the following function for this purpose.
dim dCount As Integer = Math.Floor((High - Low + 1) * Rnd() + Low)
dim divName As String = "abc" & dCount
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Nov 23, 2010
Right so my generator is working, but I now want to take the numbers that it generates and add them to a list of generated numbers. So you can monitor what numbers have been generated. then ideally a way to exclude these numbers from being generated again.
[Code]...
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Nov 27, 2011
Basically I am trying to get my timer to stop when it reaches a randomly generated number.
I have dimmed num2 as integer (num2 is timer)
I have dimmed num3 as integer (num 3 is random number)
I have done num3 = randNum.Next (0, 8)
My timer is working perfectly and counts from 0 -8. My randomly generated number works too, so how do i get the timer to stop when it reaches the random num?
I have tried;
if num2 = num3 then
timer1.enabled = false
But that didn't work
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Mar 25, 2012
Beginning VB 2010, had a project that requires us to create a list box of 25 randomly generated 0s or 1s. Problem is when I put the loop in, it only repeats the same random number, not different one each loop. What am I doing wrong?This is the code I have so far...Code in Question:
'Declare new random object
Dim RandomGenerator As New Random
intRandomNumber = RandomGenerator.Next(0, 2)[code]......
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Feb 1, 2009
I want to run registery file ( with Shell command or system.process.start) but do not want to the messages it gives. ( Are you sure want to add the information in register " And the second message is " Information has been successfully entered in to register )How can i run the registry file by vb.net without viewing these messages.
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Mar 16, 2011
I have built a vb.net web application. I have tried to make it secure, with all users requiring a password to get in. The only problem is that if anyone can guess (or detect using some kind of hacking tools) the url of the javascript file, they can download it and read it, without even having to log in first.
Is there any way that this can be prevented?
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Dec 26, 2011
Syntax error (missing operator) in query expression 'Serial Number = 'L3FW341''.The Serial Number field is declared as text in Access Db.
I am not sure which operator is missing in my command!Below is my code:[code]......
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Dec 6, 2011
The user will be selecting a file to be read into the program. At the top of the form is a button that says "View Hourly Data File". This button is to be a link to open the data file in a text viewer. However, I would like the button to be deactivated (grayed out) until the user selects the file. Once the file is selected, it will then be an active button.
The Second:Once the user selects the file, and the button is activated, I want the user to be able to open and view-only the text file that they have loaded. It should be opening into a pop-up window.
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Oct 26, 2010
I need to create a program that rolls a dice a user generated number of times and give the frequencies of the numbers that come up.I cannot for the life of me figure out how to get the frequencies?
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Sep 22, 2009
I need to trim everything preceding the last / in a string. for example if the string were "C:FilesNewprogram.exe" all I want is the "program.exe portion.
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Apr 6, 2009
I am using a webbrowser control, which is used for both internet and folder exploring. How can I determine when viewing files on the local directory, which file is selected?
I ran across something in my searches saying there was a property under the webbrowser.document called SelectedItem. But this must not be in 2008.
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Jul 9, 2011
I am trying to move from the old ADO to the new ADO .NET . However , no matter how many tutorials I read over the internet , I still can't find a way to do something which , as I believe , has to be very simple I tried to mimic the way the graphic control did but I am missing some things ... I noticed that , in the graphic way , the wizard created 4 controls :- a DataGridView control- a DataSet control- a BindingSource control- a TableAdapter controlI recreated all of them and filled their correspondent properties , but yet I can't make it work . I think what I am missing is the connection itself . I looked on the internet and I think a connection can be made and opened like this :
Dim DataBaseConnectionMY As New OleDb.OleDbConnection
DataBaseConnectionMY.ConnectionString = "PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source = C:ProsoData.mdb"
[code].....
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Jun 10, 2011
Sometimes when backing up an sql file using phpmyadmin (database stuff), for some reason it forgets to double up a single quote, resulting in an error when loading the sql file back into the database when required. A line in such an sql file looks like this;[code]As shown in the example, phpmyadmin did double up the quote in "you're" as it should, but it forgot to double up the one after "27", resulting in an error.As you can see it's like this (*value*, *'value'*, (and so on) but beforehand I can;
A) Never know how many values are in such a string
B) Can't simply split the values by "," because the value itself can hold a comma aswel.
It would be easy if every value was like this; *'value'* because then I could split by " ', ' " but that's not the case, and I also never know what location the values not enclosed in single quotes are. I also can't simply double up all single quotes in the entire string because then it will also double up the ones that are enclosing the values, resulting in an error during upload again.So yeah, what I need to get done is single out all the values with regex ($1, $2 etc.) and then string.replace single quotes in those values but *only* if said single quote is not preceeded or followed by another single quote, else it would become a tripple quote resulting in an error again.
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Sep 12, 2010
Im using HtmlAgilityPack/HAP so that I can use Xpath with HTML documents.selecting the preceding-sibling of div class="address" in this url[url].....The sibling that I want is h3 class="listingTitleLine" Here is a screenshot:
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Jan 28, 2011
Basically, I'm not sure if I'm thinking along the correct lines when trying to break this down. The program is supposed to display the question "How much is _ x _?" with _ being a randomly generated number between 0-9 which I have in a label. The student inputs the answer and clicks the "Answer" button. If he gets it right, the label below outputs "Very Good!" and automatically puts a new question in the above label. If the student gets it incorrect, the output is "No, Please try again." and the student keeps trying until the question is answered correctly.
My method of thinking on this is that the random.object generator is input first so the question with the numbers are output in the first label. Then, under the Sub answer.button, enter the statements that will either check and refer to the above statements to get a new question or have the student try again until it's answered correctly. One of the other criteria for this is that I have to use a function for the calculation. Would the function statement, because it has to return a value, go before the answer.button code or after?
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Sep 15, 2011
I am writing a Windows Form program to automatically download and store generated PDF reports from a web site using the WebBrowser Control. The web site uses Ajax to link an icon back to the source aspx file which then returns a PDF file.
The problem I have is that the WebBrowser control brings up the File Save As dialog box when the PDF file is returned and I can find no way of handling this to cature and save the returned file. I have found other examples of how to manage this using the Navagating event to validate the extension of the file that is being accessed (e.g. [URL] and, if not an HTM, file then use the HTTP Web control to directly download the file. Unfortunately this will not work as the call references a .aspx page.
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Jul 4, 2009
the goal i want to accomplish is when the user presses a button, "moneyamount" increases by a random number generated. the problem i am having is that after the action is finished the script does not seem to save the new value and always starts at zero. here is the script:
Private Sub button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles dojob1button.Click
Dim moneyamount As Integer = moneyamount + Int(Rnd() * 10)
moneylabel.Text = "$" & moneyamount
End Sub
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Apr 28, 2007
I'm converting a user generated list box to an array and then generating a user defined number of random strings and placing it in a textbox.The code I have works fine as it will generate the number of random strings the user wants, except sometimes a line is blank at the top of the list but is counted as a string.
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Jan 1, 2011
My goal is to take some form inputs and prompt the user to download a summary of everything once a certain button is clicked. I have no need for the file once it is downloaded and so I'd like to have a solution where the data is streamed directly to the user. My current solution doesn't even prompt the user for a download. Can anyone point out what I'm doing wrong?[code]....
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Jun 12, 2011
I want to transfer a html file generated by my VB application to my account in Unix Server, know if this is possible and if yes, how can I achieve this?
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Jul 3, 2012
I have made a project in VB.net. and it is working fine on my computer.But when i publish this project and install on my office laptop, i shows:Unhandled Exception: dwmapi.dll file missing. Module can not be found.
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Nov 2, 2010
I'm trying to open a text file that was already generated with info inside.I want to read specific lines and have them changed via user input.the lines are not consistently on the same "line".An example of the text I'm trying to read and change is:
// General (upgradeable) values the Player sees for each system
hullLevel = 1700
weaponsLevel = 1450
[code]....
The "H" in hullLevel shows up in line 26 in some of the files, line 27 in other, line 36 in some others and line 37 in yet others.
The reason this jumps around is that this comes from a file that is edited by other modders when they create a ship for a game that I'm modding.My program is designed to allow the user to visually see a representation of how strong and well equiped a ship is and change the values of each line with a slider bar.I have all the slider bar and progress bar code worked out.
I just need a way to reliably pull these lines no matter where they are from the ship file chosen by the user so that the program can edit them without disturbing the rest of the text in the file.
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Sep 2, 2009
My co-worker gave me a class library project without .sln file. I can implement it by add the .dll file. I want to know if i can open this project in visual studio and modify something in there. How can I open this file?
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