Coding A Huge Project
Jul 31, 2009
I have been writing code fore a rather large project in the past mounts And Im beginning to think about arcitecture of the program... Its just a complete mess. I dont know how to tackle so much code..Its beginning to be impossible to debug.Basically Im doing the following prosidures. Importing several a Excel files and getting the rfrequency data from these files..Displaying them in a litview and a datatable... so you are able to edit them..Doing some calculation and exporting the results back to a xls file.Problem is now that im going to add more functionallity to the program,. What im woundering about is, is there some good unofficial guides on how to program with OOP?
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May 25, 2010
I want to know the professional way to comments VB.net project coding. In future, it may help to other people, whom may update my project.
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May 22, 2010
I am making a application to help manage your files and notes on different projects, you can organize your notes, images and videos, However i am stuck on what coding to use to manage the project, what my.settings etc.
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Oct 24, 2009
I have just started coding my Computing project for my A-Level, and I will admit, I am far more experienced in VB6 than VB.NET (as embarrassing as that is to say).I get extra marks for making everything presentable, so was wondering if it was possible to add icons into .NET buttons. For example if I have a button to add an entry to the database, I want a nice Web 2.0 looking icon (for which I already have) next to the text on that button.
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Apr 4, 2012
I am coding an asset management system for telecom as my major project.It features submitting asset information,retrieving an asset information by entering the id of the user responsible for it,checking the number of live,stock and scrap assets and downloading it in an excel file and updating any asset information if needed.It has an admin login to it and even a change password form.
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Jan 7, 2009
I am about to commence coding (actually recoding) on a project that accesses 100 tables of a database, more to added at later time. About half of the accesses are queries with joins and unions. I am more of a coder to not use wizards such tableAdapter, but code more by other methods. I have read some post of this site that suggest avoiding tableAdapters, not to use them in an Enterprise environmentl, but no reasons. I would like to hear from willing to bend my ear, pro or con.
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May 7, 2009
Say we have a DataGridView on the main form. I can chose to establish its properties by code or by selecting them in the Properties panel. Is there a difference between these two techniques, a loading time penalty in any of the cases especially?
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Sep 21, 2009
I've been messing around with prime numbers for a while now, but I now want to use massive numbers, say a few million digits in length. Is there a way of storing and performing mathematical functions with such large numbers? Is it even possible on my home computer? I read on another old thread, something about a big number library, but the links he gave are now dead.
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Aug 1, 2008
Ok New thread - god I hate laptops sometimes - I just 'lost' a huge post in the editor due
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Jun 15, 2010
I have a huge .txt file which contains X & Y data seperated by serialization. Each serialization contains 1K x and y data points, the text file is about lines 1,340,000 long. Sometimes I need to go into the .txt file and find certain sets of data so I can plot and overlay them which gets tedious. I am going to write an application that I can just write the serialization into a text box on a form and and it will seach all of the txt files for the right data, put them into arrays, and then load them up into excel. My question is how would I search the .txt file for the correct serialization? Would I first read it into an array and then try and split it that way, or is there a way to just open the .txt file and search for the serialization without putting it into an array first?
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Mar 8, 2010
In .NET, the Generics Lists have a sort function that accepts IComparer or Comparison. I'd like to sort just part of a list. Hopefully I can specify the start index, count of elements to sort, and a lambda function. It looks like you can only use lambda functions to do this if you're sorting the entire list. Is that right or did I miss something?
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Oct 5, 2009
My program uses a wmp control to play sound, but I am not sure why it is listed in Windows 7's Sound mixer and has a huge icon. How do I change this?
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Apr 21, 2012
Is there a way I can store HUGE strings without using settings? Or storing it outside the program?
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Dec 18, 2011
I have a past experience with visual Foxpro and SQL. Now, I need to build a database with multiple data files (say 100 files), each data file with millions of records, each record with dozens of fields.Then, each data file is linked with other files by using different fields. Primary data is in English. Then there would be a translation of the English data is in another language. Primary data in English is stored in separate files whereas the translated data is stored in separate data files.
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Sep 22, 2009
I've been messing around with prime numbers for a while now, but I now want to use massive numbers, say a few million digits in length. Is there a way of storing and performing mathematical functions with such large numbers? Is it even possible on my home computer? I read on another old thread, something about a big number library, but the links he gave are now dead.
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Jun 5, 2011
I have a huge amount of data in flat-file format that I would like to validate with Visual Basic 2010. Basically the data is a text file with 300 comma separated fields and 500,000 records.
Any tips, sample code or examples? Are any .NET classes specifically geared for data validation?
As I have different validation rules for each field (some fields are dates, some are currency, etc.) I would like to store the rules away from the code (e.g. in an SQL database table). Has anyone seen this done before?
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Nov 16, 2010
im using vs2010 and SQL server 2005. what is the best and fastest way to load large volume of data into treeview
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Aug 31, 2009
I am programing a basic P.O.S. (Point of Sale) system, ad am looking for the best way to save Inventory objects. The object contains a few Singles and Strings (Such as barcode, name, price...ect). Assuming the user could possibly input thousands of such items, what is the best way to store and handle these?
My first, and simplest thought, is to add each inventory Item to an ArrayList, then once the user saves, or closes, the ArrayList prints each object to a text file, then when the program opens it reads the text file to re-populate the Array list. However, this seems very un-efficient (I assume). Would it be better to use an excell file or a Database (I know almost nothing about databases, but I can learn), or something completely different?
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Aug 9, 2010
Such as the text file has 5000 lines and 500000 columns. Each line has the format "xxx,yyy,zzz,000,...."
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Nov 24, 2010
I have a huge text file that stores a huge matrix. The size of the file has 120GB. There are tremendous rows and 25 columns. I am only interesting a coulple of columns, say column 3, 6, 8, 13, 20. How to create a small matrix which contains these columns. I want to find a effective way rather than read the entire file.
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May 4, 2011
I have a very huge server log files like files are more than 500 to 600 mb and even some files are over 2 gb data. the files are maintained for few years. it will be maintained as is. each log file has at least 1 million lines to 20 million lines.I am looking create an application which can find a line in the text file using regex, removing duplicate entries.how these huge file can be handled in a way it works very quickly.
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Oct 14, 2010
I have code in an ASP.NET form that needs to, depending on user entry create messages in the database. We are speaking of potentially thousands of db entries. How do I protect against deadlocks, I mean apart from using Transactions and setting IsolationLevel to Serializable, as well as using WITH(NOLOCK) statement on my select statements since I don't mind a dirty read.
[Code]...
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May 19, 2012
web method:
[Code]...
with this condition(PACK_DATE > "1388/11/07" 366 records) everything works well.but when i change date to 1388/11/06 1260 records or 1388/11/05 5460 records or ... following error occurs:
[Code]...
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Oct 3, 2009
Im trying to tell my button to go directly to a website, it works fine when i path it to the web browser itself, but then when i add it to go to the sppecific site it says system cannot specify file path. Heres the code Rob gave me and it didnt work ""[URL]""" Heres my exact line: Process.Start("C:Program FilesFlockFlock.exe ""[URL]"")
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May 27, 2009
I am using file.readalllines to read the file into a string, then using listbox.items.addrange and splitting by vbcrlf to insert the items. Is there a way to reduce the lag it causes for loading huge lists?
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Jul 1, 2010
I'm currently working with a gridview that has a huge underlying dataset.I'm almost certain that I saw something about a new facility in Visual Studio 2010/.NET 4, which would improve the performance (e.g. doesn't download all the data on databind, but rather only what data required for current page). My guess would be that it was using AJAX.I didn't need it at the time I saw it, and now I can't find it, even though I've been hunting online for a while.
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Sep 19, 2009
Is there anyway to use Microsoft File Transfer Manager as an OCX or DLL to manage huge downloads? I'm planning an app.
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Mar 4, 2011
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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Dec 20, 2010
Public Class ExtendedDateTimePicker Inherits DateTimePicker
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May 5, 2010
For reasons that are beyond my control, I have three Projects. Projects A and B reference project C. Project A references project B so that it can open a large form in project B. I now need to open that large form from project C, but VB won't allow me to add a reference from C to B because that would create a circular dependency. I found a way around it, though. I created a Timer in A, and when I opened C from A, I passed in that timer. When the user performs a certain action, I enable the Timer from A, and this causes C to open B for me.
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