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File System Object
How do create a fileSystemObject?
anubhavbajpai
- Mar 8th, 2011
In order to create a File System Object i.e. FSO you may use the following code:Dim objfsoSet objfso = CreateObject("Scripting.FileSystemObject")The appropriate "get" method of FSO can be used to access Drive (GetDrive), Folder (GetFolder) or File (GetFile).
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The metadata stored in the assembly is called :
A) AssemblyInfoB) manifestC) AssemblyData
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VB.NET List Box
How can i retrieve records of a column having certain criteria and display the records in a list box? Please help me...
SunilDadaDbms
- Jan 5th, 2011
Get the data from db in list of strings or key value pair finaldatesource=db calll
With listbox .datasource=finaldatesource .datatextfield="EmplyeeNAme" .datavaluefield="EmplyeeNumber"end withEmplyeeNAme, EmployeeNumber are coloumns in DBjsubha2009
- Dec 7th, 2009
Create a connection object in OLEDB or SQL and set the possible parameters.Create a OLEDB DataAdapter or SQL Data Adapter and populate a dataset through the data adapter object.Then set the value...
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Windows-based application code segment
You develop a Windows-based application that includes the following code segment. (Line numbers areincluded for reference only.)01 Public Sub password_Validating (ByVal sender As _02 Object, ByVal e As _03 System.ComponentModel.CancelEventArgs)04 Handles password.Validating05 If ValidPassword() = False Then06 'Insert new code.07 End If08 End SubYou must ensure that users cannot move control focus away...
SunilDadaDbms
- Jan 5th, 2011
E.Cancel = True This will work when you decalred e as system.componentmodel.canceleventArgsI hope I answered correctly
MrinalShendey1325
- Aug 5th, 2009
E.cancle = TrueIf the input in the control does not fall within required parameters,the property within your event handler can be used to cancel the Validating event and return the focus to the control.
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Dataset is always disconnected
A) TrueB) False
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Class Library
What Is Class Library? How will you use class library in project?
hiltonopl
- Dec 8th, 2010
A class library is a set of files containing the source code for classes. These files compile together as a single dll and the classes it contains are available to be shared between several applications.
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Examples of Extended Provider are
A) Dataprovider & Error HandlerB) Errorprovider & HelpproviderC) Errorhandler & FinalizerD) None
Nick
- Aug 24th, 2006
You can extend the behavior of your components and controls by attaching separate properties that are provided by another component called an EXTENDER provider.
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In VB.NET which of the following restrictions does not exist?
A) No of variables used in modulesB) Module sizeC) NamingD) All of the above
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Class Library
What are the benefits of using Class Library?
HoustonianTECH
- Sep 13th, 2010
The greatest benefits are primarily for application extensibility, code re-usability, and program stability. With good programming, a well coded class library can add fantastic?integrity?to an appli...
rupin
- May 27th, 2009
Class Library is a library of classes, interfaces, and value types that are included in the Windows Software Development Kit (SDK). We can also create your own classes, function procedure and other and all this help to inherit the function from one class to another.
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Date Time Picker
HiI am doing a project on bug tracking tool using VB.NET. For that i need a date time picker control as one in usual vb. I checked the tool box but i couldn't find it. So for the time being i am using a text box and a button to enable the calender control,using which i am selecting the date. Is there any reference to add to get that control.Can some one help. Regards...
jsubha2009
- Jun 15th, 2010
You can right click the ToolBox which displays a list of operations to be done. In that select Choose Items...A dialog box will appear. Select the particular DateTime Picker control from .N...
developeramit.net
- Feb 15th, 2008
See carfully datetimepicker control in toolbox where windows controls show
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How many levels of compilation happens in .NET Framework
A) One LevelB) Two LevelC) Three LevelExplanation: Source Code to MSIL in first level & MSIL to Native code in second level
thegr8_1
- Jun 13th, 2010
Ofcourse two.1st level: Source to MSIL & finally2nd level: MSIL to native code
harsha
- Aug 7th, 2006
There r 2 levels in .net framework. one is source code to MSIL and other is MSIL to native code
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Thread-Safe Class
Which is the only thread-safe class in System.collections?
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Stop rolling page in Dot Metrix Printer
After Print the Label How to stop the printer page rolling and Other Label Started from the next of it.
manoj.deshmukh87
- Jan 26th, 2010
1) You can use printdocument() to print the page.2) In printdocument_printpage() event set the papersize, in width & height, which will define your page height.
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How can we remove Handlers at Run time ?
Deepthi126
- Nov 23rd, 2009
Partial Class _Default Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load &nb...
banoo
- Jul 26th, 2005
RemoveHandler myobj.myEvent, AddressOf MyEventHandler
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How can you detect the removable disk from vb.net ie whether the USB drive is connected or not?
mukundguttal
- Oct 25th, 2009
Sub checkusbconnecteddim drv as driveinfo()=io.drives.getdrives()dim bl as booleanfor i as integer=0 to drv.length-1if drv(i).drivetype=drivetype.removablebl=trueexit forend ifnextif bl=true thenmsgbox "Usb connected"elsemsgbox "Usb not connected"end sub
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How to give alternative colors to Listview Control? i.e Odd number rows should be in blue color and even number rows should be in white color.
WolfEmery
- Sep 3rd, 2009
Okay, I've been looking all over for a way to do this and ended up working it out for myself. So even though this post is a few years old, I've decided to post my results. The...
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Which method in VB.NET is called right before the object is destroyed
A) SealedB) FinalizeC) Finally
Praveen Pampati
- Jan 24th, 2006
B)Finalize()Finally is just execute cleanup code after Try Catch Block. Though, try block raises exception, atlast it comes to Finally block to cleanup.Finalize does the destruction of object.
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How to determine if a variable has not been initialized in VB.NET?
A) ISNull( )B) IsEmpty( )C) IsDdNull( )
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It is not possible to put multiple classes in side a single .vb file
A) TrueB) FalseExplanation: It is possible to have multiple classes inside a single .vb file.
pampatipraveen
- Aug 8th, 2009
Yes, it is possible to have the multiple class names under one namespace in a single .vb file
Praveen Pampati
- Jan 24th, 2006
We can have multiple classes in single vb file.
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What are Satellite Assemblies?
MrinalShendey1325
- Aug 5th, 2009
When we use a multi-lingual or multi-culture application in .Net, and want to distribute the?core application without modify the localize module, the localize assembly?that modify the core application, called Satellite Assemblies.
mubin4all
- Apr 7th, 2009
Assembly which is supposed to be deployed with project is known as sattelite assembly
VB.NET Interview Questions
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