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What is boxing?

Answers were Sorted based on User's Feedback



What is boxing?..

Answer / sivaprasad

Boxing is nothing but converting value type to reference type
Example:int i =10;
object o = i; \\Boxing which can happen implicitly

int j = (int)o; \\Unboxing Converting Referrenvce Type
to value type.

Is This Answer Correct ?    13 Yes 0 No

What is boxing?..

Answer / vidhya t

Boxing means convert value type to reference type

Is This Answer Correct ?    13 Yes 2 No

What is boxing?..

Answer / suresh

converting value type to reference type is called boxing.

Is This Answer Correct ?    10 Yes 2 No

What is boxing?..

Answer / maloy.adhikari

Boxing is the process of converting a value type to the
type object or to any interface type implemented by this
value type. When the CLR boxes a value type, it wraps the
value inside a System.Object and stores it on the managed
heap. Unboxing extracts the value type from the object. In
the following example, the integer variable i is boxed and
assigned to object o.
Exam::
int i = 123;
object o = (object)i; // boxing
...........
o = 123;
i = (int)o; // unboxing

Is This Answer Correct ?    1 Yes 0 No

What is boxing?..

Answer / progguru

casting value type to reference type eg. int to string

Is This Answer Correct ?    1 Yes 0 No

What is boxing?..

Answer / ardhendu samajdwer

Boxing is the implicit conversion of value type to reference type.

For ex:-

Dim A as integer = 10
Dim B as object
B = A

Or in C#
int A = 10;
object B;
B = A;

Is This Answer Correct ?    0 Yes 0 No

What is boxing?..

Answer / amar

The actual definition of boxing means converting value type to reference type.

Is This Answer Correct ?    0 Yes 0 No

What is boxing?..

Answer / dinesh

boxing allows value types to be converted into object type or reference type

Is This Answer Correct ?    0 Yes 0 No

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Hi this is the coding for adding data in to an xml table i want the coding for update and delete Try Dim emp_xml_doc As New XmlDocument If System.IO.File.Exists(Server.MapPath("emp.xml")) Then emp_xml_doc.Load(Server.MapPath("emp.xml")) Dim myrow_element As XmlElement myrow_element = emp_xml_doc.CreateElement("EmpDetails") Dim str As String str = "<EmpID>" & TxtEmpId.Text & "</EmpID>" & _ "<Empname>" & TxtName.Text & "</Empname>" & _ "<EmpSalary>" & TxtSalary.Text & "</EmpSalary>" myrow_element.InnerXml = str emp_xml_doc.DocumentElement.AppendChild(myrow_element) emp_xml_doc.Save(Server.MapPath("emp.xml")) Response.Write("Record Saved") Dim ds As New DataSet ds.ReadXml(Server.MapPath("emp.xml")) GridView1.DataSource = ds GridView1.DataBind() Else Response.Write("File does not exist.") End If Catch ex As Exception Response.Write(ex.ToString) End Try *********************** this is the xml file <?xml version="1.0" encoding="utf-8" ?> <Employee> <empdetails> <empid>100</empid> <empname>xxx</empname> <empsalary>2000</empsalary> </empdetails> <EmpDetails> <EmpID>yyy</EmpID> <Empname>dddd</Empname> <EmpSalary>77777</EmpSalary> </EmpDetails> <EmpDetails> <EmpID>rrrr</EmpID> <Empname>rrrr</Empname> <EmpSalary>6666</EmpSalary> </EmpDetails> <EmpDetails> <EmpID>qaqa</EmpID> <Empname>sini</Empname> <EmpSalary>50000</EmpSalary> </EmpDetails> <EmpDetails> <EmpID>errrrrrrrr</EmpID> <Empname>rrrrrrrrr</Empname> <EmpSalary>677777</EmpSalary> </EmpDetails> <EmpDetails> <EmpID>rrr</EmpID> <Empname>rrr</Empname> <EmpSalary>33</EmpSalary> </EmpDetails> </Employee>

0 Answers   InfoCom,


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