Well, I gave it up. To use -1/0/1 instead. On Mon, Oct 18, 2010 at 8:41 PM, Hu Hailin <i...@h2l.name> wrote: > Hi, > > =============== > - type: Radiogroup > name: invitation > options: > - [ ~, 'do nothing'] > - [ 0, 'refuse'] > - [ 1, 'accept'] > =============== > > I tried to use a nullable db column to store such a status above and I > have trouble in filling a NULL value from db into form back properly. > The option whose value is ~( or '' ) will not be set checked="checked". > > Any advice or workaround? > > Thanks. > -- > islue >
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