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programmatically re-order a collection of string values

Posted on 2009-04-07
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Last Modified: 2012-05-06
How would one go about changing the order of some string values in a collection.  Say I have the following list of values in a list collection:

List<string> colors = new List<string>("red","blue","yellow","green","purple");

I want to add the values in the colors list to a selection list, but in a different order:

"purple"
"yellow"
"green"
"blue"
"red"

Not ascending or descending, but in a sequence I need to specify.

How could I accomplish this?

Thanks for any help.
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Question by:-Dman100-
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3 Comments
 
LVL 26

Expert Comment

by:Anurag Thakur
ID: 24088679
kind of difficult when you dont have a proper sequence you want to display the colors
are they random numbers
if yes then you can generate a random number from 1 to 5 and then get the value out of the list
if the random no. is 3 then colors[3-1] will give you yellow

if there is one specific order then you might want to hardcode the values
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Author Comment

by:-Dman100-
ID: 24088789
Hi ragi0017,

Thanks for replying to my post.  The values are returned and assigned to a list, which are not in the correct order.

There is one specific order that the values need to be in.

So, if I loop thru the list, how could I hardcode the values into the sequence that I need?

I tried using a if statement, but the values remained in the original order?  My logic was probably incorrect.

Thanks for your help.
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LVL 26

Accepted Solution

by:
Anurag Thakur earned 2000 total points
ID: 24093867
the best way will be to create a new list of colors and then add in them the names of colors in the order you need instead of trying to sort or reordering the existing list
it will save you time and effort
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