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Computed Columns / Derived Columns

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M
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M asked on 02 Jun 2010, 11:00 AM
Can I have a column whose value is derived from the difference of a column in two rows. Like:

For example I have following radgrid:

Row_Id         Rank                            Derived Col
1                     5                                      0
2                     7                                      2
3                     7                                      0
4                     3                                     -4                         

Derived col = TableRow.Rank - TableRow(-1).Rank

Is it possible using bindings?

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Vlad
Telerik team
answered on 02 Jun 2010, 12:25 PM
Hello,

I've attached an example to illustrate you how to achieve this at your data level.

Best wishes,
Vlad
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M
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answered on 02 Jun 2010, 12:35 PM
Ok, I see a public property which computes its value based on same object's two properties. My scenario is a little different than that. Let me know if you want me to elaborate.
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Vlad
Telerik team
answered on 02 Jun 2010, 01:10 PM
Hello,

Currently calculated property can be achieved only at your data level. The best approach will be to wrap your original data in a custom model and bind the grid to this model. In other words - MVVM.

Best wishes,
Vlad
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