.NET (Core and Framework)

TARAK NATH ROY wrote:

Can any one suggest me what can i do this in c#

RAJAGOPALMS76 wrote:

But the following is not working or not allowed
Dim dr As DataRow

waqarnaeem2@hotmail.com wrote:

why we need recursion

waqarnaeem2@hotmail.com wrote:

please don't give formal reason.

Class Plus
  Inherits OpNode
  Dim LeftOp, RightOp as OpNode
  Function Eval as Double
    Return LeftOp.Eval + RightOp.Eval
  End Function
  End Class

Class Plus
  Inherits OpNode
  Dim LeftOp, RightOp as OpNode
  Function Eval(MaxDepth as Integer) as Double
    If MaxDepth < 0 then Throw New WhateverException("Expression too complicated")
    Return LeftOp.Eval(MaxDepth-1) + RightOp.Eval(MaxDepth-1)
  End Function
  End Class

function copyfolder(folder)
  for each file in folder
    copy file
  next
  for each subfolder in folder
    for each file in subfolder
      copy file
    next
    
    for each subsubfolder in subfolder
      for each file in subsubfolder
        copy file
      next
      ... what if there is some subsubsubfolders?
    next
  next
end function

function copyfolder(folder)
  for each file in folder
    copy file
  next
  for each subfolder in folder
    copyfolder(subfolder) ... this line is where the recursion happen
  next
end function