Personally, if you could. Change the structure to create a column that has a value that can just be used to sort on. 10,20,30,40,etc. Makes it much easier.

>Hi,
>I have item as below:
>
>

>ItemName          BeforeItem    AfterItem
>------------------------------------------
>"First"
>"Second"
>"Third"
>"B4Second"        "Second"
>"BetweenSecond"   "Second"      "B4Second"
>
>

>
>I would like to implement IComparable to sort them so that it could be as below:
>
>First
>B4Second
>BetweenSecond
>Second
>Third
>
>Please advice
>
>Thank you