Problems using collection ArrayCollection as a DataProvider for trees and the menu bar, possibly bug?

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  Hi people!
  I have a problem of ugly...
  in the my application, I have a datagrid named DG and its dataprovider is bound as an ArrayCollection called AC collection.
  A result of the query contains the AC...
  
  Ok.. So far so good...
  
  the problem just when I try to select an object in AC by name...
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  0 objecthjh324jghf7
  1 objectd5674567
  2 objectAaagohrtt
  3 object4534c45jg
  
  so I can choose an object by its index (0,1,2,3... ecc)
  but not by name (objectxxxxxx)
  
  I might want the names of the objects are the name of the column (such as ID, NAME, NATION, phone ecc)
  
  is this possible?
  now, if I want the object ID in KT (i.e. the ID column in my datagrid DG), I have to check with a loop from 0 to col_number to find some AC (loop_value) USER.USER
  
  EDIT
  example:
  If my first column of the DG's 'id', I want to use something like "myDataGrid.columns ('id')", now I have to use this "myDataGrid.columns (0)»
  EDIT
  Help me please! : D :D
  
  PS: Sorry for my bad English... ^ _ ^

  "Amy Blankenship" wrote
  in the message news:[email protected]...
  >
  > "123qweads" wrote in message
  > news:[email protected]...
  > okay...
  > maybe I made a few mistakes in my last posts.
  > I'll try to explain better my problem...
  >>
  > my problem is to give a name to myDG.columns
  > (before I talk about DATAGRID...) Sorry! I'm guilty... but the problem
  > is
  (> the same)
  >>
  > myDG.colums is a TABLE and I can get you an object index for example
  > myDG.colums (1) .dataFiled or myDG.colums (2) .visible ecc...
  > If I can give a name for the elements of each array, I could take an object by
  > its
  > name for example myDG.colums (ID) .dataFiled or myDG.colums (PRICE) .visible
  > ecc...
  >>
  > Today I discovered how give an object name in the ARRAYCOLLECTION collection... in
  > This
  > way
  > var o: Object = new Object();
  > o [namecol1] = myObject1;
  > o [namecol2] = myObject2;
  > myAC.addItem (o);
  >>
  > works very well and myAC I find namecol1, namecol2, namecol3 instead
  (0), (1), (2) but when I convert collection ArrayCollection in table online
  >>
  >>
  >>
  > I lost all the name of the object... and remains only the information from the object (i.e. the)
  > column
  (> information as dataField, visible, headerText, etc.)
  >>
  > WHY DO I WANT TO DO?
  > I want to write a function that hide certain columns...
  > now, my function is O (n * m), where n< m="" but="" if="" i="" can="" resolve="">
  > problem
  > my function become o (n)
  > and it's a good thing
  >>
  >>
  >>
  >>
  > BAD! (now)
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  > for (var x: int = 0; x)< col.length;="">
  > for (var i: int = 0; i< mydatagrid.columncount;="">
  > If (myDataGrid.columns .dataField ==
  (> col [x]) myDataGrid.columns.visible = false;
  >> }
  >>
  >>
  > GOOD (after your explanation)
  > public void HideColums(col:Array,_myDataGrid:DataGrid):void {}
  > for (var x: int = 0; x)< col.length;="">
  > myDataGrid.columns [col [c] m:System.NET.SocketAddress.ToString ()] .visible = false;
  >> }

  try (somewhere in your result handler that takes care of your objects):

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  columnNames = []; should be set on a global scale
  for {(prop: String en sampleObj)}
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  }

  now:

  public void hideColumns(columnsToHide:Array,_myDataGrid:DataGrid):void {}
  for (var x = 0; x)< columnstohide.length;="">
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