Visual Basic .NET (VB.NET) is an object-oriented computer programming language that can be viewed as an evolution of Microsoft's Visual Basic 6 (VB6) but implemented on the Microsoft .NET Framework.

learn more… | top users | synonyms

2
votes
0answers
25 views

Vulnerability of Encryption class usiing AES + HMAC

I've written an encryption-decryption class that is to be used in my companies commercial web application that will handle sensitive information. The encrypted data will be passed over the internet ...
3
votes
0answers
44 views

Swapping Tab Order

The code I have below swaps two tabs around. This is done through creating an array, deleting all tabs and then recreating them which seems very inefficient to me. ...
9
votes
1answer
184 views

Rendering an HTML form based on a specification in a string

Here's a brief explanation of my method: Provide a string and parse it to HTML code respecting a specific format the accepted format is : For dropdown menu : Test DropDown~Select:Options1; ...
5
votes
3answers
60 views

Userform that calculates gas mileage

I created a project for a programming class that asks you to make a userform in Visual Studio that calculates mileage, given the user inputs of gallons of gas consumed and distance traveled. The code ...
0
votes
1answer
19 views

Creating a wrapper for SqlClient

I'm trying to find out what is the best way to create a class so I can use it to connect to the SQL Server and be able to rollback everything if a single error exists. Right now, I'm using a single ...
4
votes
2answers
58 views

De-serializing and Serializing objects the proper way

I am serializing and de-serializing a class object within the class which is then sent over the network like this: ...
2
votes
2answers
40 views

Performance of MySQL helper class for VB.NET

I have inherited this code from my company. It is acting as a helper class for a database and written in VB.NET until date. It is working properly and almost 5 to 10 commercial packages I am ...
1
vote
1answer
40 views

Generate URLs for images hosted on Google Drive

The brief is to be able to generate links to artwork files and PDFs easily and quickly without having to use a browser. I have added an image box which shows the user the image upon clicking one. The ...
4
votes
0answers
39 views

Model-View-Presenter

I work on a .NET application that very loosely followed an n-tier kind of architecture (the business objects (not logic) and data access were split out). We are now looking to start to refactor the ...
3
votes
2answers
36 views

Registering endpoints and HTTP method for exemption of authentication

I have a set of API endpoints where the URL is not standardized, so I could either get "api/auth" or "api/auth/" (may or may not end with "/"). I'm 'registering' the endpoint, plus the HTTP Method ...
3
votes
1answer
53 views

Guess the Number

Continuing with my VB.NET experience, I wrote a quick guess-the-number game. Any improvement suggestions? ...
4
votes
2answers
42 views

FizzBuzz Kickoff

My first FizzBuzz question (well, I asked, then deleted, one previously), and my very first VB.NET question. ...
10
votes
3answers
437 views

Data Access Layer code for MSSQL Databases

We use this class quite a bit for boilerplate / glue that allows web services and applications to call databases. This code is very important, and I'd like to ensure I'm getting the best performance ...
1
vote
1answer
50 views

Creating and sending a Fixed-Width file

This function will run every x seconds. PAN: The name we are calling our fixed width file we are transmitting. ...
7
votes
4answers
99 views

Recursive filename search

I have created a little program to search a set of folders holding documents scanned. The folder structure is as follows: c:\images\year\month\date\documenttype\firstpartofdocumentNo.\ the ...
2
votes
1answer
72 views

Populating fields from stored procedure

I was just wondering if my code below is a good way of populating data from database. I have had no issues with this really but I am being taught this and just wondering if it is the best practice. ...
6
votes
2answers
473 views

Making error messages more efficient

I am using a way of making error messages, and it works fine. It is just starting to get a little annoying as my project gets larger. I was wondering if there was a way to do with with out having to ...
4
votes
2answers
220 views

Performing actions based on command line arguments

I'm currently reviewing a bit of an older console application which performs certain tasks depending on the command line argument that is given. These tasks are called through Windows Task Scheduler. ...
-1
votes
2answers
61 views

Using session values in the body of an email

I created the body of an email by using the following bit of code: ...
2
votes
2answers
412 views

Get alpha numeric count from a string

Following is the code I am using to find a separate count for alphabets and numeric characters in a given alphanumeric string: ...
1
vote
2answers
101 views

Checking consecutive characters in a string

First of all, this code will ask for a number (first) on how many test the user would like to have. Then the user will input the strings depending on how the number entered. ...
3
votes
1answer
83 views

Passing arguments to a SendMail function referenced by addressOf operator

I am trying to send daily mail alert to users based on some timer values. For that I've used Addhandler to call the sendmail() ...
-1
votes
2answers
63 views

Classifying duration as <1, 1-2, 2-3, or >3 years

How can I refactor this method to look cleaner and free from 2 If statements? ...
5
votes
1answer
139 views

Genetically engineered doodle creatures selector combo

I have created an awesome cheat/fan page for the game Doodle Creatures with the help of some cool people in The 2nd Monitor. Is there anything I can do to improve this code? Here is my ASP.NET ...
4
votes
1answer
62 views

Executing a list of tasks from a database

I have a list of tasks I get from my database (as strings) and then execute. However I'm uncertain on how to implement this correctly. Currently I have implemented this in the following way: ...
3
votes
1answer
166 views

Wait for System.IO.StreamReader.ReadLineAsync

I want to wait for a line to be read, but only for so long before timing out. This is what I came up with. Is there a better way to do it? ...
3
votes
3answers
96 views

Zero pad function trim extra leading zeros

Here is a zero pad function I have: ...
2
votes
5answers
214 views

IIF shortern to one datarow .Net

Is it possible to shorten the Isnull checking? It would be great to shorten this code and only have to put the datarow once. This code imports data details (usually there would be more .x = ...
2
votes
2answers
74 views

Avoid Split to reduce memory press (on servers)

I have a Component that is used for all Active Directory queries. The function below is used heavily perhaps even milions of times each day. Performance is a feature! It's used on servers and I ...
10
votes
1answer
62 views

Autocompleting locations

Can this function be cleaner? It looks to me that I have too much nested stuffs(using+if+while) ...
5
votes
2answers
185 views

Best way to get the list of XML files

I'm a newbie in the use of LinqToXml and I wonder if I can improve this snippet. ...
1
vote
1answer
32 views

Compare strings by custom sort order

Each letter represent a category. Example the group with "M" Code is greater Than "I" and "C" group. "F" is the higher group Here is what I did but I wonder if there is a better way to do it. ...
2
votes
1answer
69 views

Vehicle Loan Calculator

A loan calculator has to be created for the proNetBank. Method of processing the loan is as follows: Vehicle loan is given for a period of three to seven years depending on the customers ...
0
votes
1answer
90 views

Binding controls to properties in ASP.Net WebForms

In my application, we have a number of pages which provide an advanced search capability, with a large number of potential search options (some pages have as few as 3, some as many as 150). The HTML ...
7
votes
2answers
312 views

Checking and updating lines in a file

I am trying to check a bunch of files that should have a leading | delimiter but sometimes don't. If the first line doesn't have the ...
2
votes
1answer
44 views

Implement interface type in implementation of another interface without too much casting

I have a group of tests that must be run in similar (but different) fashion and they have setups, results, etc. which are also similar but different. Great, I thought, I'll use interfaces to define ...
3
votes
0answers
99 views

Parsing small sets of data from a large XML using XMLReader [closed]

Suppose I have a lot of large XMLs I want to parse data from and each of these can range in size from 10MB to well over 300MB. Now, I only need a small sub-set of data from a few specific keys. For ...
11
votes
3answers
229 views

Proper way to validate from sub to sub

I am using a public validating sub to help validate the other subs. Is this the most efficient way to do this? ...
2
votes
1answer
726 views

Calculate percentage of values in an array with a certain condition

I had to write a function that calculates the percentage of values in table less or equal to 2. Is my code right or is there anything missing? ...
4
votes
0answers
186 views

Wrapping a GridView with custom controls

My aim is to create a server control which inherits from a GridView and outputs the basic output wrapped in external markup, including other controls. For example, the output will look something ...
4
votes
1answer
278 views

Using Concurrent Dictionary as First Level Cache

I am currently implementing a thread safe in memory cache mechanism, with the intent of storing objects that are expensive to create or often used by the system. I also want to include expiration ...
5
votes
1answer
416 views

Reading large file, splitting by new line

I am reading a ~120 MB log file (~300 Million lines of text). ...
4
votes
1answer
94 views

Deserialize an email header into key-value pairs

I've created a function that will deserialize an email header into a list of key-value pairs. I've run numerous tests using MS Office Outlook 2010 and MS Office 14.0 Object Library, all of which were ...
2
votes
2answers
252 views

Phone Number Extracting using RegEx And HtmlAgilityPack

I've written this whole code to extract cell numbers from a website. It is extracting numbers perfectly but very slowly, and it's also hanging my Form while Extracting. ...
10
votes
5answers
994 views

Using TryXXX pattern to avoid exceptions

I have been using the TryXXX and GetXXX pattern lately to give clients a choice whether to trap an exception or to read a boolean. An example of this concept would be ...
6
votes
3answers
466 views

Shutdown Delay Program

I wrote this program a while back that would allow me to set a delay, say 3 hours, and when the delay had expired, my PC would turn off. The purpose of it was so I didn't have to leave my PC on all ...
5
votes
2answers
190 views

Evaluating algebra expression using an auxiliary VB class compiled on the fly and consumed in a C# project

I want to create algebra evaluator but I don't want to write my own parser because it takes much time to learn. I don't like algebra expression in C# because it does not look natural compared to VB ...
3
votes
2answers
376 views

Adding string binary numbers

My requirement is to add two binary numbers, say "1001" and "0101" as binary1 and binary2. ...
12
votes
3answers
657 views

Security issues in a SQL query and possible function?

By adding more and more features to my websites, I am now up to 7 different hard coded queries. I have read a lot about SQL injections and possible flaws and security issues, and wanted to make ...
4
votes
1answer
254 views

Filling a table in code behind

I was wondering if there could be an easier or simpler way of filling a table with code behind. So far I have my html/asp.net table : ...