How to Editable & Uneditable row in classic table

Hi
I have the requirement at the page loading all rows are Uneditable.Once page loaded with classic table(not advancedtable) multiselection make it as Editable rows and the row is heighlighted by color change(in PFR).
Thanks
sriram

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table1
attribute1 varchar2 (10)
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How to Editable & Uneditable row in classic table

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