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Logic Error In Vb.net

This makes it clear the scope of a variable. That means, Logic errors are those that appear once the application is in use. The VB.NET Command-Line Compiler F. Is the equation pH+pOH=14 still valid at a different temperature? navigate here

Difference between Singleton and a Static Class Difference between Properties and Fields What does the [Flags] Enum Attribute Mean? Subjects to discuss while on break with older colleagues Help! Then change Return False to Return -1, then you can make return value strictly typed (Long). –Neolisk Dec 29 '12 at 22:17 Thank you so much for your help, The system returned: (22) Invalid argument The remote host or network may be down. https://msdn.microsoft.com/en-us/library/shz02d41.aspx

etc... –Steve Dec 29 '12 at 9:28 Or just Option Compare Text? –RBarryYoung Dec 29 '12 at 21:10 Why are you declaring all of your methods as Debugging Statements Executing One Statement at a Time Just as done when reading code with your eyes, the most basic way to monitor code is to execute one line at Thank you for clearing that up....will get back to work on it and try the firs idea. Normally, when you start debugging, the Locals window shows automatically.

After creating a breakpoint, when code executes and reaches that line, it would pause and let you know by drawing a right-pointing yellow button . For example, the Visual Basic language has a set of keywords that you should (must) not use to name your variable. I apologize if I'm missing something simple, I'm pretty new to VB.net –Tlm7 Dec 29 '12 at 21:19 1 I responded to your edits above. –tcarvin Dec 30 '12 at Error Types (Visual Basic) Visual Studio 2015 Other Versions Visual Studio 2013 Visual Studio 2012 Visual Studio 2010 Visual Studio 2008 Visual Studio 2005 Visual Studio .NET 2003 ¬†Updated: July 20,

Move on to Breakpoints and Debugging tools in VB .NET --> Back to the VB NET Contents Page © All course material copyright Home and Learn Errors and Exceptions: Introduction Framework 3.50Tax Calculator - Vb.net-3Send Bulk Email in VB.NET Reciepients Emails will uploaded by excel1VB.net random numbers each to different label0how to update mysql database in vb.net2How to code “one sub The Integer variable only works with whole numbers. http://www.functionx.com/visualbasic/exceptions/ied.htm It is missing parentheses in the calculation, so it compiles and runs but does not give the expected answer due to operator precedence (division is evaluated before addition).

The errors your program will encounter can be classified in three categories: runtime, syntax, and logic errors. Application: Using Breakpoints In the Code Editor, click the margin on the left side of FutureValue = Principal + InterestAmount On the main menu, click Debug -> Start Debugging Click OK Dim intTwo As Integer = Nothing doesn't do anything useful. Use Dim intTwo As Integer = 0 instead.

This will ease your burden with migration to C#, and also make native C# devs understand your code better. http://net-informations.com/faq/netfaq/errors.htm Variables and Data Types 4. You can also double-click the word from the list. Attributes 9.

Fortunately, to assist you with this operation, Microsoft Visual Studio provides various tools and windows that you use, one window or a combination of objects. check over here VB.Net 2008. In the middle list, click Console Application Change the Name to WattsALoan1 Click OK On the main menu, click Project -> WattsALoan1 Properties Click the arrow of the Application Type box VB.NET Language in a Nutshell, 2nd Edition Preface Why Another VB Book?

When this has happened, to resume debugging: On the main menu, you can click Debug -> Continue On the Standard toolbar, you can click the Continue button You can press F5 I have enclosed a zip file of the complete source files. For example, if the user types in a string when the computer expects a number, there will be a runtime error: When running a payroll program, the user entered "ten" instead his comment is here Avoid code repetition at all costs.

First I do not understand how to fix this but then also if it gets fixed will it affect the side that does work. Sometimes you will want to suspend or stop debugging. In this case, the error message states that the programmer has not created an object called "labelone." The programmer probably meant to type "label1".

Nor did it raise a Runtime error.

Any errors you find later will then stand out like white crows. This documentation is archived and is not being maintained. Thank you for clearing that up....will get back to work on it and try the firs idea. Detecting Logical ErrorsTo detect a logical error, we place error-detection code immediately following the potential offender.

An If Statement is used to check if the letter is a "g". Exception handling Logic Errors Your code may compile and run without any Syntax Errors or Run-time Errors, but the output of an operation may produce unwanted or unexpected results in response You can aslo create as many breakpoints as you want. weblink For example, you might correctly write a line of code to open a file.

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