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How do you join strings in VB.NET
A) +B) &C) Both A & B
Ash Khan
- May 13th, 2006
There is difference between 'Join' and 'Add'.Join is to Concatenate 2 or more stringsEx. "1" & "2" gives u "12"Add is to add the numeric value of strings.Ex. "1" + "2" gives u "3"
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Which technique we use to achieve polymorphic behavior of an object
A) Late BindingB) Multiple InterfacesC) .NET ReflectionD) All of the aboveExplanation: All of these can be used to achieve polymorphic behavior of an object
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Option base statement which was introduced in VB6 is till valid in VB.NET
A) TrueB) FalseExplanation: Option base statement has been removed in VB.NET
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Which of the following protocol is used in WebServices?
A) HTTPB) SOAPC) WSDLExplanation: Sipmle Object Access Protocol is used for web services
Ravi kumar
- May 25th, 2006
SOAP is the protocol used for web services.
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What’s the difference between a class field property?
A) A field always has Get and Set MethodsB) A property always has Get and Set MethodsC) None of the aboveExplanation: These methods are internally used set and retrieve values of a property.
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If you create a Dataset Object with no name , it will be given the default name of NewDataSet
A) TrueB) False
veera
- Feb 18th, 2006
False, default is dataset11
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The methods which return the values back to the calling code are called as
A) Interrogative methodsB) Imperative methodsC) Constructors
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Can you create Windows Services using VB.Net
A) YesB) No
Ash Khan
- May 13th, 2006
Yes. Windows services can be created.
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How do you call a method on webservice asynchronously
A) Create a Callback method that take an Iasyncresult as aparameterB) Call the method as you would call a method of any other classC) Declare an exernal function
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Which of the following are not a member of String Type
A) ConcatB) CopyC) JoinExplanation: Join is not a member of String class
ashik_wani
- Apr 27th, 2006
All the options are members of string class, so there shud be one more choice, otherwise user has to select atleast one choice, and finaly the anser goes wrong...Ashik Wani
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Which of the following is a valid statement
A) I = Integer.Parse(S) ' where I is an integer and S is a stringB) I = Parse(S) ' where I is an integer and S is a stringC) S = Parse(I) 'where I is an integer and S is a stringD) None
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Which of the following are the valid method of command object
A) ExecuteNonQuery & ExecuteScalarB) ExecuteQuery & ExecuteScalarC) ExecuteParameterD) None
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Which of the following is not a value type in VB.NET
A) BooleanB) Int16C) ByteD) StringExplanation: String is a class in VB.NET hence it is a reference type but not value type.
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The methods declared with the following modifiers are not accessible out side the current VB.NET project
A) PublicB) ProtectedC) FriendExplanation: Friend methods are internal to the active project they are not acceble out side the project.
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Events can not be declared as shared in VB.NET
A) TrueB) FalseExplanation: Events can also be shared by declaring with Shared Keyword
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Forms in VB.Net are saved in which of the following files
A) .frmB) .vbC) .frxExplanation: .frm &.frx are the file extensions of VB6
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It is possible to have both Autoscroll & IsMDIContainer set to True at the same time
A) TrueB) False
sreeharshavardhana
- Apr 21st, 2006
False - It is NOT possible to have both Autoscroll & IsMDIContainer set to True at the same time
VB.NET Interview Questions
Ans