enable-update-delete-按下单选按钮时插入一行

I had tabular with 10 number of display items which is disabled update delete insert property and also the text_items so at initialization of form most likely are disabled. I tried to add radio button so when user select a row only selected row will be enabled its text_items and update delete insert property when user move to another record it will disabled again but I am getting this error message I had tabular with 10 number of display items w