How .net Solve Dll
Jun 7, 2012how .net solve Dll problem??
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Solve Matrix In VB?
Mar 15, 2012This is my matrix. I want to solve C,D and E
sample codes to solve C, D and E in VB.Net?
Answers are C=0.4857143, D=0.0000000 and E=-0.1428571 (manual calculation)
.net - Solve Procedure And Functions In VB?
Mar 2, 2012I have this home work question and I don't know what I am doing wrong there are a lot of errors which I don't know how to correct. This the question:An automative service shop performs the following services (all the services below are assigned a value):
Oil Change
Lube Job
Radiator flush
Transmision flush inspection
Muffler replacement and
Tire rotation
Create an application that displays the total for a customer's visit. This is my code so far:
[Code]...
How To Solve An Equation That Is A String
Feb 9, 2011I have an equation in the form of a string:
Dim Answer as Integer
Dim AnswerBox as New RichTextBox
'... Settings for AnswerBox
[code].....
.net - Solve The Performance Decay Of A .NET 1.1 Application?
May 20, 2010I have single-thread windows form application written with VB.NET and targeting Framework 1.1. The software communicates with external boards through a serial interface, and it mainly consist of a state machine that run some tests, driven in a loop done with a Timer and an Interval of 50ms. The feedback on the user interface is done through some custom events raised during the tests.
The problem that is driving me crazy is that the performance slightly decrease over time, and in particular after 1200/1300 test operations. The memory occupied does not increase over time, it is only the CPU that seems interested by this problem. The strange thing is that, targeting framework 2.0 and using the same identical code, I do not have this problem.
I know that is difficult without looking at the code, but do you have suggestions how can I approach the problem? EDIT: I am really lost, after a couple of intensive work the application starts slowing down. The selected row is related to its process, if it could help.
EDIT2: Using the Windows Task Manager I detected that the Handles counter is increased by 1 at the end of each operation. I don't know if it is the cause but the application starts to slow down when the handles counter reaches about 1500 handles. I checked that all necessary RemoveHandler are called after each operation. Any idea?
EDIT3: I found that the handles problem is generated by the C++ library we are using to communicated with the serial device. It then happens both in .NET 1.1 and .NET 2.0. The difference, and that's strange, is that if the target .NET 1.1 the application slow down/freeze instead for .NET 2.0 I reached more than 30000 handles without loosing performances. Now I don't know if the problem is really caused by this lost handles, I will try to ask to the developers of C++ library to correct the problem and see if it solves the problem I am having on .NET 1.1.
.net - Using Regex OR Operator To Solve 2 Conditions?
Apr 10, 2012I am trying to combine 2 regular expressions into 1 with the OR operator: |
I have one that checks for match of a letter followed by 8 digits:
Regex.IsMatch(s, "^[A-Z]d{8}$")
I have another that checks for simply 9 digits:
Regex.IsMatch(s, "^d{9}$")
[Code]...
Apparently I am not combining the two correctly and apparently I am horrible at regular expressions.And for those wondering, I did take a glance at How to combine 2 conditions and more in regex and I am still scratching my head.
How To Solve Date Format / When Using Window XP In C
Jun 2, 2011I am using window 7, when I run my code in local everything is alright, but when upload to window server 2003 the code will coming error "String was not recognized as a valid DateTime".My computer setting (date format) all same with my window server.[code]
View 3 RepliesHow To Solve Duplicate Of Data After Search
Apr 6, 2011In first search, result will show.In second search, the result in first searching will also show with the result in second searching. [code]
View 4 RepliesSolve Date Difference Function?
Apr 20, 2009I am taken DateTimePicker2, DateTimePicker3 n textbox6.Now i wanted to display the result of subtraction of these two dates(DateTimePicker2-DateTime Picker3) in textbox6 automatically. I don't want to enter the result manually. Plz hlp me I need it badly. I hav already tried in lost focus event also its nt workin.
View 6 RepliesTime Out Error - Solve It Rather Than Optimizing?
Apr 8, 2010I have a lengthy query..always it shows timeout..I am filling it in a dataset, not using command execute.Is there anyway to solve this rather than optimizing the code? any way to solve the timeout..
View 3 RepliesVS 2008 - How To Solve Equation That Is In Textbox
Oct 31, 2009Let's say I wrote 1+1 in a text box1 how to get answer in a text box2?
View 10 RepliesMaking A Program To Solve Second Grage Equation
Jul 1, 2012So im making a program to solve second grage equations,its already working but i want to make it better,heres my idea.Right now the user must input the three equation coefficients (in a equation like 2x+2x+2 they are 2,2 and 2),i want to make it possible for them just to insert the equation like 2x+2x+2 and the computer will get that data,and extract the coefficients from it. [code]
View 1 RepliesFunction Command To Solve Equations In Textbox
Feb 3, 2010Similar to using VAL(a$) to return the numerical value of a string, is there a function for returning the solution of an equation that is user-typed into a textbox? For instance, user types F$=(a+b*x)/(c*x^2-d*x^3) where the variables of the equation are either pulled from a textbox or derived within the code. I am looking for something like F=Solve(F$).
View 5 RepliesHow To Solve "Operator '=' Is Not Defined For Types
May 22, 2012I get an Operator not defined error at "SetAttr(j = fo.GetFolder("C:\Documents and Settings\a19238\My Documents\VB Grille OrderTest\"))"
[code]...
Incoming Events Solve And Change Time For Timezone?
Jun 20, 2011i'm going to create event application where's times like:
a) 17:00
b) 18:00
c) 20:00
(Current compuer's time: 17:16)How do i make my application detect timezone and change a), b) and c) times for the same timezone, that people knows if event is my time 17:00 so what it is in their time?
Insert Sql Statement In Array (vb 2005), Or Any Other Ways To Solve It?
Jun 21, 2009insert sql statement in array (vb 2005), or any other ways to solve it??
View 1 RepliesSolve System.Timeout.Exception On A PBX SMDR Capture App?
Feb 8, 2012The port connection is successful but when it gets to receive data I get this timeout exception. Got no idea what to do...what to fix
System.TimeoutException: The operation has timed out.
at System.IO.Ports.SerialStream.Read(Byte[] array, Int32 offset, Int32 count, Int32 timeout)
[code].....
VB Program To Solve Linear System With Any Number Of Equations?
Oct 28, 2009I need a VB.NET program to solve linear system with any number of equations
View 5 RepliesSolve The Expection Exception Of Type 'System.ExecutionEngineException' Was Thrown?
May 4, 2009i am having the Visual basic code which is following..
View 3 RepliesIDE :: Solve Warning Of Late Bound Resolution; Runtime Errors Could Occur?
Jul 6, 2010Private Sub cmbEmployee_Validating(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles cmbEmployee.Validating
[code]...
C# - How To Solve COM Exception Class Not Registered (Exception From HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))
Jul 2, 2010When I try to create a instance of a COM class it throws an exception as Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))
View 2 RepliesC# - Solve COM Exception Class Not Registered (Exception From HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))?
Sep 30, 2009When I try to create a instance of a COM class it throws an exception as Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))
View 4 RepliesC# - Solve This Error "Cannot Convert Lambda Expression To Type 'string' Because It Is Not A Delegate Type"
Jun 12, 2010. I get this error: "Cannot convert lambda expression to type 'string' because it is not a delegate type" - keyword select become underlined in blue
[Code]...
Above code should displays drop list of employees first name and last name in a combo box
Unable To Solve Error "reference To A Non-shared Member Requires An Object Reference"
Jul 26, 2011I have the following code
[Code]...
that vb method returns data of type string. i declared result of type string. but it is showing on that vb method like "reference to a non-shared member requires an object reference" How to solve this? Did I make any other mistakes in this code?