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Logic Error In Vb.net

I have enclosed a zip file of the complete source files. Difference between Singleton and a Static Class Difference between Properties and Fields What does the [Flags] Enum Attribute Mean? Logic error From Wikipedia, the free encyclopedia Jump to: navigation, search In computer programming, a logic error is a bug in a program that causes it to operate incorrectly, but not If decPrincipalLoanAmount > 1000000 Then MessageBox.Show(" You Must Enter a Valid Number! ", " Data Missing ", MessageBoxButtons.OK, MessageBoxIcon.Error) Me.txtPrincipal.Focus() Me.txtMonthly.Text = "" Else If decPrincipalLoanAmount < 1000 Then MessageBox.Show(" You navigate here

Yes No Additional feedback? 1500 characters remaining Submit Skip this Thank you! Of course you would repeat this for the other two in their respective click events with their proper "Values" Or another way, is when you click calculate, check to see if You can fix most run-time errors by rewriting the faulty code, and then recompiling and running it. Vim: what are all the possible swapfile extensions? https://msdn.microsoft.com/en-us/library/shz02d41.aspx

So that leaves a logic error. The code or application that you are debugging is called the debuggee. The problem is the program is suppose to have you pick how you would like to run the app.

To do this, first create one or more breakpoints, then proceed with Step Intos of your choice. Avoid code repetition at all costs. It will occur when your program attempts an operation that is impossible to carry out. Dim intTwo As Integer = Nothing doesn't do anything useful.

Application: Stepping Over Change the document as follows: Module LoanEvaluation Private Sub Announce() MsgBox("This application allows you to evaluate a loan." & vbCrLf & "To proceed, enter the following values" & The content you requested has been removed. What is this aircraft with elaborate folding wings? To delete all breakpoints, on the main menu, click Debug -> Delete all Breakpoints.

For example, you might correctly write a line of code to open a file. Was This Post Helpful? 0 Back to top MultiQuote Quote + Reply #5 cpeachy1223 D.I.C Head Reputation: 0 Posts: 97 Joined: 23-September 07 Re: Logic Error Posted 25 January 2010 Not the answer you're looking for? Unlike a program with a syntax error, a program with a logic error is a valid program in the language, though it does not behave as intended.

I personally prefix my instance variables like this: Private _checkUserSpeed As Long = 0 Note the underscore. http://net-informations.com/faq/netfaq/errors.htm The Type column shows the data type of the variable. The problem, if you were paying attention during the variable types sections, is that we are trying to put floating point numbers into an Integer variable type. You can add something like this to the click event of each of the radio buttons.

You can also remove a breakpoint you don't need anymore. http://compsyscon.com/logic-error/logic-error-code-39.html So that variable will always be 0. These types of errors are called Logic Errors. The only clue to the existence of logic errors is the production of wrong solutions.

Click your button. More about.... Nor did it raise a Runtime error. his comment is here Text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply.

If you write a statement that is syntactically correct, the computer will understand and execute it. Here is the problem I have the program and it compiles just fine. 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

int average(int a, int b) { return a + b / 2; /* should be (a + b) / 2 */ } See also[edit] Software Testing portal Syntax error Off-by-one error

In some cases, we will see how you can suspend debugging. Most Syntax errors are caused by mistakes that you make when writing code. You can fix most run-time errors by rewriting the faulty code, and then recompiling and rerunning it.Logic ErrorsLogic errors are those that appear once the application is in use. 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

When the button was clicked, a Runtime exception did not crash the programme. The best content for your career. What is this shrub/plant? http://compsyscon.com/logic-error/example-of-logic-error.html The system returned: (22) Invalid argument The remote host or network may be down.

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 . If the code to examine covers many pages or many files, it could be aweful and tiresome to examine code with your eyes line by line. The following subprogram has three syntax errors. These can be thought of as coding errors.

What's the verb for "to drink small amounts of drink"? VB 6 Language Elements Not Supported by VB.NET Index Colophon O'Reilly logo Dealing with Logical ErrorsSince Visual Basic makes the handling of runtime errors a relatively straightforward process, it seems reasonable First I do not understand how to fix this but then also if it gets fixed will it affect the side that does work. How could a smaller country successfully take control of a much larger country?

What’s New and Different in VB.NET B. Then they will have a value. For example, the Visual Basic language has a set of keywords that you should (must) not use to name your variable. Me.Close() End Sub Private Function Options() As Boolean Dim objReader As IO.StreamReader Dim strArrayTerm As String Dim strArrayRate As String Dim strArray(3) As String Dim intCount As Integer = 0 Dim

The Code Editor of Microsoft Visual Basic makes it easy to be aware of syntax errors as soon as they occur: When you start typing code, the IntelliSense starts building a We discussed syntax errors in our note on data type errors. Some of them manifest themselves while you are developing your project. For example, a mistyped key or other outside influence might cause your application to stop working within expected parameters, or altogether.

Application: Stepping to Breakpoints Make sure the previous two breakpoints are still selected.To start debugging, on the main menu, click Debug -> Step Into.Make sure you can see the Code Editor Especially as your code gets longer and longer. Page 1 of 1 New Topic/Question Reply 5 Replies - 2569 Views - Last Post: 25 January 2010 - 08:46 PM Rate Topic: #1 cpeachy1223 D.I.C Head Reputation: 0 Posts: Today's Topics Dream.In.Code > Programming Help > VB.NET Logic Errorexception error after part of program runs...

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