flex - Radio button in datagrid for selecting the entire row -

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i have datagrid in flex. need add radio button in first column such when select radio button, entire row should selected. have tried using following code - 

<mx:datagridcolumn id="selectcolumnradiobutton" sortable="false" textalign="center" editable="false" width="18">                          <mx:itemrenderer >                               <mx:component>                                      <mx:radiobutton selected="false"/>                                  </mx:component>                              </mx:itemrenderer>               </mx:datagridcolumn>

but there following problems - 1) allowing me select multiple buttons. 2) if click anywhere else on row, row getting selected. not expected behavior. if should selected when select radio button.

please me on this. :)

it allowing me select multiple buttons

because radio buttons, being drop-in item renderers, belong different radio-button-groups in different components. write method in parent class (that contains datagrid) takes rowindex input , selects row accordingly , explicitly deselects other radio buttons. can call method drop-in radio button using outerdocument.methodname(listdata.rowindex)

<mx:itemrenderer >   <mx:component>     <mx:radiobutton selected="false"        change="outerdocument.methodname(listdata.rowindex)"/>   </mx:component> </mx:itemrenderer>

if click anywhere else on row, row getting selected. not expected behavior.

this default behavior of datagrid - suggested, you'll have go through datagrid code, figure out part selection happens, , override method. possible behavior implemented in base class of datagrid listbase.


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