c# - handle check event on checkbox in wpf -


i've listview containing name , 2 checkboxes( name, male(checkbox),female(checkbox)). want make sure 1 checkbox selected listview @ time.

   <usercontrol.resources>    <datatemplate x:key="datatemp">         <stackpanel orientation="horizontal" width="200" >             <textblock text="{binding vmname}" width="129" visibility="visible" />             <checkbox  name="cb"  isthreestate="false" checked="off_chek_select"  ischecked="{binding ischeck, mode=twoway}"  margin="6,0,18,6" horizontalalignment="stretch" verticalalignment="stretch"/>             <checkbox  name="cb1" isthreestate="false" checked="ins_chek_select" ischecked="{binding ischeck1, mode=twoway}" horizontalalignment="stretch" verticalalignment="stretch"  />         </stackpanel>     </datatemplate> </usercontrol.resources>

here, i've used datatemplate in listview. i'm not able access controls datatemplate writing on check event.

into tag property can put reference parent element (in case it's stackpanel) , in code-behind can find element using findname method.

xaml:

<datatemplate x:key="datatemp">     <stackpanel x:name="stackpanel" orientation="horizontal" width="200" >         <textblock text="{binding vmname}" width="129" visibility="visible" />         <checkbox  name="cb" tag="{binding elementname=stackpanel}"  isthreestate="false" checked="off_chek_select"  ischecked="{binding ischeck, mode=twoway}"  margin="6,0,18,6" horizontalalignment="stretch" verticalalignment="stretch"/>         <checkbox  name="cb1" tag="{binding elementname=stackpanel}" isthreestate="false" checked="ins_chek_select" ischecked="{binding ischeck1, mode=twoway}" horizontalalignment="stretch" verticalalignment="stretch"  />     </stackpanel> </datatemplate>

code-behind:

private void off_chek_select(object sender, routedeventargs e) {     var cbsender = sender checkbox;     if (cbsender != null)     {         var stackpanel = cbsender.tag stackpanel;         if (stackpanel != null)         {             var cb1 = stackpanel.findname("cb1") checkbox;             if (cb1 != null)             {                 cb1.ischecked = !cbsender.ischecked;             }         }     } }  private void ins_chek_select(object sender, routedeventargs e) {     var cbsender = sender checkbox;     if (cbsender != null)     {         var stackpanel = cbsender.tag stackpanel;         if (stackpanel != null)         {             var cb = stackpanel.findname("cb") checkbox;             if (cb != null)             {                 cb.ischecked = !cbsender.ischecked;             }         }     } }

if have multiple choices , 1 should selected @ time use radiobutton (msdn).

<usercontrol.resources>     <datatemplate x:key="datatemp">         <stackpanel orientation="horizontal" width="200" >             <textblock text="{binding vmname}" width="129" visibility="visible" />             <radiobutton  name="cb"  isthreestate="false" ischecked="{binding ischeck, mode=twoway}"  margin="6,0,18,6" horizontalalignment="stretch" verticalalignment="stretch"/>             <radiobutton  name="cb1" isthreestate="false" ischecked="{binding ischeck1, mode=twoway}" horizontalalignment="stretch" verticalalignment="stretch"  />         </stackpanel>     </datatemplate> </usercontrol.resources>

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