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Thanks for the info. Was not aware about the naming rules.
Joined: Jul 26, 2005
I do not have the requirement that you pointed at. In my case i have a row in a table which has child rows in the same table. If a row has a child row then in the first column a + sign will be displayed for expanding it. On clicking on the + sign the child rows are shown.
Assuming we give levels to the rows depending on the level they are at from the root parent. i.e Row no. 1 will be at level 1 if this row has a child that will be at level 2 and will be row 2 but hidden unless the + button on the parent is clicked. now if this row2 also has a child that will be at level 3
Now when doing sorting on a column, first all the rows at level 1 should be sorted, then for each level 1 row, it respective level 2 rows will be sorted, for each level 2 its level 3 rows will be sorted and so on....