CODEWITHSUNDEEP
c#class
Ali.Rashidi
Ali.Rashidi

Reputation: 1462

How to declare methods inside methods

I have a class like this:

public Class Work
{
   public DataTable GetWork()
      {
         //return a datatable which contains information about working hourse

      }

}

I want to declare another method isnide the GetWork method.

Actually I want to create a class in which I can call something like this:

DataTable myData=Work.GetWork.ToDays()//Returns work days
DataTable myOtherData=Work.GetWork.ToHour();//Returns work hours

How can I achieve the above state? Thanks in advance and pardon my poor english :(

Upvotes: 0

Views: 120

Answers (4)

L-Four
L-Four

Reputation: 13531

Create a custom DataTable class in which you implement the ToDays and ToHour operations.

Example:

 public class Work
 {
     public MyDataTable GetWork()
     {
          //return a datatable which contains information about working hourse

     } 
 }

 public class MyDataTable : DataTable
 {
      public int ToDays()
      {
          // todo: implement
      }
      public int ToHour()
      {
          // todo: implement
      }
 }

I favour this approach to extension methods as you put logic where it logically belongs and it's automatically available without the need to add a using statement.

Upvotes: 1

Xaruth
Xaruth

Reputation: 4104

You must create another class

public class Work
{
    public DataTable GetWork()
    {
        DataTable result;

        //create result

        return result;
    }
}

public class DataTable 
{
    // properties

    // int or other type...
    public int ToDays()
    {
         // return a property
         return something;
    }

    // int or other type...
    public int ToHours()
    {
         // return a property
         return something;
    }
}

You can call your result with :

var myData = Work.GetWork().ToDays()//Returns work days
var myOtherData  =Work.GetWork().ToHour();//Returns work hours

(be sure that GetWork() return always something wich is not null)

Upvotes: 0

Bhushan Shah
Bhushan Shah

Reputation: 1038

You cannot define a method inside another method.

What you can instead do is create a property in your class, as follows:

public class Work
{
    public static DataTable WorkProperty
    {
        get
        {
            //return a datatable which contains information about working hourse

        }
    }
}

Now, define your GetWorkInHours and GetWorkInDays methods so that they take a DataTable as parameter, and also return a DataTable, and do your stuff inside.

Now, you can do stuff like

DataTable myData=Work.WorkProperty.GetWorkInDays()//Returns work days
DataTable myOtherData=Work.WorkProperty.GetWorkInHours();//Returns work hours

Upvotes: 1

Sani Huttunen
Sani Huttunen

Reputation: 24385

You can use Extension Methods to achieve this.
Example:

public static class DataTableExtensionMethods
{
  public static int ToDays(this DataTable dt)
  {
    // fetch and return the days.
  }
}

Now you could call it with:

var myDays = Work.GetWork().ToDays();

Upvotes: 2

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