You can see that if the application server reads a value of True in the table column LIKED_ONE, it will insert the CHECKED attribute after the word input in the first radio button's input tag. If the application server reads a value of False in column LIKED_ONE, it will insert the CHECKED attribute into the second radio button's input tag. Thus, the Yes or No radio button will appear selected when the application server reads a True or False value, respectively.
For more information, see "Making form objects dynamic" in Chapter 6 of Using UltraDev or in Dreamweaver UltraDev Help (Help > Using UltraDev).
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