Visual Basic .NET is a .NET oriented-object implementation and evolution of Visual Basic developed by Microsoft.

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how to find each point of arc that i can draw the arc manualy in visual basic [on hold]

[![iwant acod that when enter the start point value and end point value and center point value in ther textboxes in the programe and hit button1 the programe will give me in msgbox coordinate of each ...
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27 views

Is 2007 Office System Driver compatible with Microsoft SQL Server 2012 R2? [on hold]

Overview I am making an application in which I am importing excel file into SQL Table. Let me tell you here that In my client PC there is no MS Office or Excel is installed. Only MS Server 2012 R2 is ...
0
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4answers
181 views

How do I elegantly store tabular data in code?

Let's say I want to store date which cannot be changed by the user in code. For example, my application supports ten types of reports, and I want to store metadata about it. Usually, I'd use a ...
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1answer
36 views

Encapsulate common application libraries into a single library project

My company is planning to integrate 3 in-house libraries into all of our applications (with possibly more on the way), and I'm wondering what the best way to go about this would be. My initial ...
2
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4answers
166 views

Do I really need to stop the timers that do nothing?

I have a sample code here: Dim a As Boolean = False Private Sub Timer1_Tick(sender As Object, e As EventArgs) Handles Timer1.Tick If a = True Then Console.WriteLine("Example of a task ...
2
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1answer
126 views

Standard way to call virtual method

So recently I was working on a project where I had a base class that provided some common functionality. It had several virtual (overridable in vb) functions. I noticed that some of these methods ...
1
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1answer
55 views

How to map references in different VB.Net solutions

I just come to a small company. There are more than 500 solutions in different VS.Net versions and even VB 6.0 projects. They share several dll. Is there a way to map relation between each program? ...
1
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2answers
47 views

Iterate over Collection while removing elements from it

I am iterating over a collection and want to delete some entries of it. Example: For i = 0 To Node.Nodes.Count If i >= args.TotalNumberOfNodes Then Node.Nodes.RemoveAt(i) End If ...
2
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2answers
149 views

C#/VB struct – how to avoid case with zero default values, which is considered invalid for given structure?

How to implement some constrained .NET struct/structure (let's say LimitedString), where its state with default values (set by CLR to technical defaults, i.e. nulls, zeros, etc.) should be prohibited ...
3
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1answer
79 views

Can an object contain a property that is another object?

I am new in the object oriented world. I am interested on learn the foundations of object oriented programming independently of any language. But for the moment I am doing the implementation on VB.NET....
3
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1answer
130 views

“Best Practices” when designing large applications with multiple functions

A little background first. I have been tasked with rewriting our gun software into VB.Net (converting the code from BBJ). This software incorporates many different inventory management functions, such ...
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55 views

Use vb.net sql reader as a Delegate to gather Data

Is there a way to use a sub to create a loop, but change the content of the inside of the loop? I don't know what I don't know. I keep looking at this code and I have a feeling that it's possible. ...
15
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6answers
775 views

Methods of debugging code (Nightmare situation)

I am frequently tasked with debugging an application at my job. It is a BI Application that we deploy to businesses, which includes a test environment, and a production environment. I am wondering if ...
3
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0answers
42 views

Is it OK to have a property of type COM object

I am developing a COM addin for Microsoft Excel, using VB.Net. I wrote a class to represent a worksheet that contains certain elements. Let's say for example it has a ListObject. I create a property ...
1
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1answer
117 views

How can regular expression be ambiguous?

I am recoqnizing this pattern <.*> From string <a href="hello world">Hi Baby</a> Now, there are several match <a href="hello world"> is a match <a href="hello world"&...
7
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2answers
781 views

Should we include Nuget PACKAGE folder in version control?

I would like to know In C# or VB.NET project should we include the PACKAGE folder (nugget package folder that is created to the root of my project that contain the nupkg files and other content) to ...
2
votes
4answers
123 views

Alternative way to expose you're returning Nothing in a method

I'm kind of in an impasse here. Lets say I have module A which exposes some methods returning objets and module B that uses said methods from Module A. Module A will have situations when it will have ...
1
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2answers
188 views

Refactoring method with nested loops and 6 variables [duplicate]

I have a method which implements a small section of a (complex) algorithm. This algorithm has taken me several weeks to perfect and is by far the fastest method I can find. The method in question has ...
2
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1answer
69 views

Exception to the 'Nested types should not be visible' rule?

Is the following an acceptable breach of the 'Nested types should not be visible' (Microsoft .NET code analysis CA1034) rule? I have a have a class, let's call it 'TandAOLL', this is tree and an ...
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0answers
64 views

Metrics for when to use a hash value?

I am working on a project that requires a series of flat files. I will be doing some data checking against simple date like: ID;StatusCode So a typical file might be like: 13993;R 38293;A 19349;I ...
0
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2answers
336 views

How to avoid using service location when using dependency injection? [closed]

I am trying to use dependency injection in a WPF application, and I really can't figure how to avoid using service location, which is considered to be an anti-pattern in many articles. I am using the ...
4
votes
2answers
215 views

Handling exceptions in a loop without breaking the loop (try to process all members)

Scenario: I have a loop that iterates over an Array of COM objects and does some work using them. My fear, working with COM objects, is that some exception will creep up (possibly on another user'...
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2answers
115 views

Should client side have a log? [closed]

The client side of my application is written in VB.Net, it accesses a java server. Server logs every request that was made by client, client shows every exception to the user (with an option to send ...
5
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2answers
207 views

Is it acceptable to define a “module” and “class” within a single .VB element?

Experiment: I have found it is possible to define both a "Module" (Namespace?) and a "Class" (Namespace?) within a single .Vb element (Module??). You can try this at home: Create a new Console ...
2
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1answer
87 views

Parsing XML to two separate (WInForm) controls

I've spent a great deal of time researching a solution to my issue with very little success. I'm rather new with .NET and vb.net so I apologize if this seems simple to anyone else. I had a first ...
4
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3answers
784 views

Saving to Registry vs. CustomFile [closed]

I've been using the usual My.Settings... method when it came to saving settings for my program but I was just wondering, If I wanted to save program settings into the Registry and load those settings, ...
1
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2answers
125 views

When to turn off Option Strict? Or how to deal with inheritance of COM using Option Strict?

I'm trying develop an add-in for an application using it's API and I have Option Strict turned on. Trying to work with these COM objects is causing multiple compile issues saying Option Strict ...
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2answers
849 views

DLL or web service for common functions?

We have a variety of basic functions (date utilities, email sending, internal math calculations, etc) that are currently in an old VB.NET project. We're going to move towards C# and I'm wondering if ...
0
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0answers
151 views

How to model dynamic table schema in .Net code

I am preparing to do an upgrade of a fairly large program that is currently written entirely in MS Access, both GUI and data (code and data in separate files). One of the key features of the product ...
0
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3answers
247 views

Understanding VB.NET variable scope

What's the difference between this code snippet: Sub Test() Dim i as Integer = 0 Dim q as String = "" While i<10 q=String.Format("Some text {0}", i) Console.WriteLn(q) i=i+1 ...
0
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1answer
324 views

proper exception handling (throwing/message) dll libary

I just wrote a dll library using vb.net. while testing, i got an error which i did not initially use a try-catch block. The code is Try 'The first four bytes are for the Command ...
3
votes
1answer
178 views

How to design similar purpose static methods

I know that you cannot override static functions, but for what I'm looking to do, it seems like the logical way to design my class. I have a method that is associated with my abstract class, that i ...
3
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3answers
497 views

Is it bad practice to register assemblies in the GAC?

I have moved a few assemblies to the Global Assembly Cache because they are used by multiple applications i.e. a VB.NET app and an ASP.NET app. I remember a few years ago when I started in my current ...
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1answer
603 views

.NET WCF: Persistent connection or Open/Close as needed?

I have a .NET WCF web service currently running in production right now. I would say 95% of the time it works flawlessly and as intended. However; there are times when I am throwing an exception that ...
3
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2answers
318 views

An algorithm that spreads similar items across a list

I need an algorithm that distributes same items across a list, so maximizing the distance between occurrences. E.g. I have a list of 15 items: {a,b,c,c,c,d,e,f,f,f,g,h,h,i,j} The algorithm should ...
3
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1answer
504 views

Trying to get a better understanding of Interfaces

Im working on a small program and I thought i would use it as a chance to get a better understanding of things I haven't really used before, mainly Interfaces and Inheritance from base classes. ...
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1answer
178 views

Generate all possible outcomes from pattern or range

I have multiple patterns that I want to expand. Expansion should expand number and letter ranges between curly braces. Numbers need to support padding. I want to have it expand into a List(Of String) ...
1
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1answer
150 views

How can I share a managed DBConnection across various objects?

I am implementing what I thought was a simple object wrapper around a database where one object "PartRecord" represents one row of a database table. I want a client to be able to request a given ...
3
votes
1answer
571 views

Where to keep global variables in Windows Forms App

I have here a Vb.Net employee management application. It has employees, managers, teams, trainings and so on. The way the application is set up now, data is read from the database in the startup form ...
0
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1answer
2k views

VB.NET - Serial Key Generating (Encryption, Hashing, Encoding?) Algorithm

I am trying to create a basic licensing system where I take a unique ID from the client computer, and I get this Hexadecimal string (hyphens removed e.g. "84-18-CE-...."): "...
1
vote
1answer
337 views

What is the best approach to storing a multi-dimensional array with unknown bounds?

I'm trying to store content scraped from several lyric and chord websites into separate variables into either a multi-dimensional array, or into separate string arrays, but I've been stuck trying some ...
2
votes
1answer
490 views

Compiler warnings and errors [duplicate]

I come from a C# background before my existing role. I am developing a VB.NET app. The code I inherited had option strict set to off and all other directives set to 'None'. I have recently switched ...
0
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2answers
655 views

Why And is needed when there is AndAlso

I have referred What is the difference between And and AndAlso in VB.net? to understand the difference between And and AndAlso. I am from C# background - and C# has AndAlso only - no And.. And I don'...
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1answer
192 views

OPTION STRICT set to off [closed]

I am working on an application with over one million lines of code. OPTION STRICT is set to off!. I want to set it to ON during the next work iteration. I believe the only reason OPTION STRICT ...
2
votes
1answer
317 views

What language is better for working with databases? [closed]

I am going to develop a software that works with different databases and I'm considering whether to use .NET languages or C++. I've known that .NET features LINQ and ADO.NET but are there features ...
2
votes
1answer
430 views

When to add new project to solution?

I'm tidying up my company's Version Control Guidelines. One of my tasks is to determine how solutions should be organized in a very broad sense. I have somewhat come to my own conclusion that one ...
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2answers
86 views

Agile retesting

I wrote some code about two years ago, which was deployed to the production environment. The code deletes information that is six years old from a system. When it was first deployed there were only ...
1
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1answer
2k views

Is VB.Net deprecated by Microsoft? [closed]

I have come to this web page from Sony: http://www.sonycreativesoftware.com/scripting_in_vegas_pro_and_sound_forge We suggest you use C# for your scripts, since although you can currently write ...
1
vote
2answers
654 views

Sending emails from server side

I need to read some of your opinions. I'm developing a desktop app (.net/winform) to keep data in one place. This is used by several clients and the data is stored in MS SQL Server (client-server arch....
0
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1answer
583 views

Are VB.NET and C#.NET projects created from Microsoft Visual Studio “Open Source” safe? [closed]

I'm developing software in VB.NET and C#.NET and planning to release their source codes as fully open source. Are these projects "open-source" safe? My doubts are: VB.NET and C#.NET are using the ....