Thanks Ivan and Trent, but for the scenario I´m working on it doesn´t work with the radio button group.
I´m attaching the UI. I have a field in the database (IsTaxable) but instead of having the checkbox I wanted to use two radiobuttons:
"gravable" = taxable
"no gravable" = non taxable
With the radiobutton group, when editing the row it always check the taxable item no matter I´m editing the non taxable one. Maybe is something I´m doing wrong but for now I found a work around managing radiobutton checked state at code side.
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I would like to change the world, but they don´t give me the source code.
MS Windows 7 Ultimate 64-Bit
Intel(R) Core(TM)2 Quad CPU Q9300 2.50 GHz
6.00 GB of RAM, NVIDIA GeForce 9800 GT
MacBook Pro i5 OSX Lion