Recently I got this question in one of my interviews.
Although I have a single answer for this, but interviewers want more ways to
return the multiple models in a single view. So I googled this after my
interview and found the following ways to do it:
I will create small-small code snippets for these and will
publish them soon here only.
using System;
namespace ConsoleApplication
{
class Test
{
private int number;
public int MyProperty
{
get { return number; }
set { number = value; }
}
[STAThread]static void Main(string[]args)
{
Test test = new Test();
test.MyProperty = 100;
Console.WriteLine(test.MyProperty);
Console.ReadLine();
}
}
}
using System;
namespace ConsoleApplication
{
class Test
{
private static int number;
public static int MyProperty
{
get { return number; }
set { number = value; }
}
[STAThread]static void Main(string[]args)
{
Test.MyProperty = 100;
Console.WriteLine(Test.MyProperty);
Console.ReadLine();
}
}
}
public class Employee
{
private int empID;
private string empName;
internal int ID
{
get { return empID; }
set { empID = value; }
}
internal string Name
{
get { return empName; }
set { empName = value; }
}
}
public class Test
{
public static void Main(string[]args)
{
Employee emp = new Employee();
emp.Name = "Joydip";
emp.ID = 259;
System.Console.WriteLine("The id is:" + emp.ID);
System.Console.WriteLine("The name is:" + emp.Name);
}
}
<Modifier> <Return type> this[arguments]
{
get { }
Set { }
}
namespace ConsoleApplication
{
using System;
class Employee
{
private string[]name = new string[10];
public string this[int index]
{
get { return name[index]; }
set { name[index] = value; }
}
}
class Test
{
public static void Main()
{
Employee emp = new Employee();
emp[0] = "Joydip";
emp[1] = "Manashi";
emp[2] = "Jini";
Console.WriteLine("The namesare:--");
for (int i = 0; i < 3;Console.WriteLine(emp[i++]))
;
Console.ReadLine();
}
}
}
using System;
class Base
{
public int number;
public int this[int index]
{
get
{
Console.Write("Get of the baseclass.");
return number;
}
set
{
Console.Write("Set of the baseclass.");
number = value;
}
}
}
class Derived: Base{}
class Test
{
public static void Main()
{
Derived d = new Derived();
d[0] = 500;
Console.WriteLine("The value is: "+ d[0]);
}
}
using System;
class Base
{
protected int number;
public virtual int this[int index]
{
get
{
Console.Write("Get of the baseclass.");
return number;
}
set
{
Console.Write("Set of the baseclass.");
number = value;
}
}
}
class Derived: Base
{
public override int this[int index]
{
get
{
Console.Write("Get of the derivedclass.");
return base.number;
}
set
{
Console.Write("Set of the derivedclass.");
base.number = value;
}
}
}
class Test
{
public static void Main()
{
Base obj = new Derived();
obj[0] = 500;
Console.WriteLine("The value is: "+ obj[0]);
}
}
using System;
abstract class Base
{
protected int number;
public abstract int this[int index]
{
get;
set;
}
}
class Derived: Base
{
public override int this[int index]
{
get { return number; }
set { number = value; }
}
}
class Test
{
public static void Main()
{
Derived obj = new Derived();
obj[0] = 500;
Console.WriteLine("The value is: "+ obj[0]);
}
}
| emp_id | emp_name | emp_manager_id |
| 1 | John | Null |
| 2 | Tom | 1 |
| 3 | Smith | 1 |
| 4 | Albert | 2 |
| 5 | David | 2 |
| 6 | Murphy | 5 |
| 7 | Petra | 5 |
| manager | employee |
| John | Tom |
| John | Smith |
| Tom | Albert |
| Tom | David |
| David | Murphy |
| David | Petra |
