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Transfer Value
How to transfer value from one form to another form?
pradhib.l
- Aug 20th, 2008
By using the forms we can able to transfer the variable values from one form to another form
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Picture and Image Controls
What is the difference between the picture and image controls in VB6.0
pradhib.l
- Aug 20th, 2008
The main difference bw this two controls is .when you place the picture box on your form .the displaying size of the picture is the size of the picture box .in image controlwhole picture is displayed on the with in the size of image box
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When do we use imports.system.sqlclient and when imports.system.oledb?What is the purpose of using executenonquery?
pradhib.l
- Aug 20th, 2008
There are two methods used for disconnected architecture one is 1) Execute Scaler2) execute nonqueryExecute Scalar:?It is for math functions?(min,max,add,sub)Execute Nonquery: It is used for insert,update,delete operations.
Diptikanta
- Apr 3rd, 2008
Imports system.sqlclient is used only for MSSqlserver database.Imports system.oledb is used for any other databases including MSSqlserver.Executenonquery is used for Insert,Update,Delete command. And ...
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How would you implement inheritance using VB.NET ?
mallikasachi
- Sep 13th, 2008
Key word for inheritance used inheritsexample Class Parent Public i As Integer = 5Public Overridable Sub MyMethod() Console.WriteLine("I am Parent's MyMethod()")End Sub End ClassClass Ch...
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What is the difference between manifest and metadata?
shriniwasmw
- Sep 17th, 2008
Manifest is part of MetaDataManifest contains information about Assembly version, culture, dependencies etc.while Metadata is data about data i.e. information about classes in the assembly various datatypes etc.
rajesh
- Sep 26th, 2007
Manifest and metadata are 2 parts of assembly architecture. Manifest is used for storing AssemblyName, AssemblyTitle, publicKey. Metadata contains Namespaces, Classes
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I was asked in interview that if i have created a class and i don't want the class to be inherited by any other members without me which key or function i have to use?
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VB.NET 2003 can not support following
A) Operator OverloadingB) Multiple InheritanceC) Multilevel InheritanceD) All of the aboveE) A & B Only
Majith
- Jul 2nd, 2007
Multiple inheritance is NOT supported when using .net frame work classesHybrid inheritance is NOT supported when using .net frame work classes Multipath inheritance is NOT supported when using .net ...
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Whats the output of following codeClass A Public Overridable Sub F() End SubEnd ClassClass B Inherits A Public Overridable Sub F() End SubEnd Class
A) Runtime ErrorB) Compiler ErrorC) Compiler Throws a warning message
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What is the out put of the following codeMustInherit class MyFirstclassPublic Dim Num as IntegerPublic Sub New( I as integer) Num=iEnd SubEnd ClassClass Test Dim cls as New MyFirstclass( 100) Console.writeLine (cls.Num)End Class
A) Can not Create an Instance of MyfirstClassB) MyFirstclass is created and 100 is assigned to Num variableC) Runtime Error
cakes181286
- Feb 15th, 2009
MyFirstClass is abstract(MustInherit) . Hence you cant create object of that class.
ashutosh
- Jul 3rd, 2006
Can u please explain why
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Which statement shows Boxing?
A) Dim O as object=I ( as i an integer)B) Dim I as integer=OC) Both
cakes181286
- Feb 15th, 2009
Avalue Type -> Reference type --- BoxingReference type -> value type --- Unboxingie assigning a value(int,double anything) to an object is boxing reverse is unboxing
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AppDevRight Modify Visual Studio .NET Application
You company AppDevRight assigns you to modify a Visual Studio .NET application that was created by a former colleague. However, when you try to build the application, you discover several syntax errors.You need to correct the syntax errors and compile a debug version of the code so the application can be tested.Before compiling, you want to locate each syntax error as quickly as possible.What should...
rafabenitez5
- Apr 6th, 2009
Run the application in Debug Mode. Each time an error is encountered, correct it and continue debugging the application
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Can any body tell me the code procedure for preparing parameterized cristel reports.the report should be generated by taking to or more parameters.example: report should be genarated FROM DATE to TODATE
mubin4all
- Apr 7th, 2009
'use this procedure for displaying crystal report with two date paramentersPrivate Sub btnshow_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnshow.Click &n...
JAGAN.G
- Aug 31st, 2006
We can generate Crystal Report by using date parameter, but the date format should be "yyyy,mm,dd".Ex. CrystaReport1.SelectionFormula = "{GLNOTE.L_DT} = date(" & a & ")"The variable 'a' should be assign with formated date
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How to store and retrieve images in sql server database through VB.NET
geocheru
- Jun 14th, 2009
Dim con As New SqlConnection _ ("Server=YourServer;uid=;pwd=;database=northwind") Dim da As New SqlDataAdapter _ ("Select * From MyImages", con) Dim MyCB As SqlCommandBuilder =...
tapasvi darji
- Aug 16th, 2006
To store image in database 1st u need to make table like this CREATE TABLE PicImage ( Picid int, Pic Image )Now in vb.net coding u ha...
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How do you implement interrogative methods in VB.NET
A) Using Sub keywordB) Using Function KeywordC) Using New KeywordExplanation: Functions always return a value hence they are interrogative methods
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Int and int32
What is the difference between int and int32
mdafazal
- Jul 29th, 2009
There are the below differences between int and int321. It is good practice in the programming that code should be more readable, when you will use int32 it is explicitly specifying that it is a 32 bi...
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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
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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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How to determine if a variable has not been initialized in VB.NET?
A) ISNull( )B) IsEmpty( )C) IsDdNull( )
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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 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...
VB.NET Interview Questions
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