.net - Add delete button for every row in datagrid -

how add delete button every row in data grid (contains 2 fields) in wpf. while datagrid itemsource

observablecollection<result> 

and

 public class result : inotifypropertychanged {     public string friendlyname { get; set; }     public string id { get; set; }      public result(string name, string id)     {         this.friendlyname = name;         this.id = id;     }      #region inotifypropertychanged members      public event propertychangedeventhandler propertychanged;      void onpropertychanged(string property)     {         if (this.propertychanged != null)         {             this.propertychanged(this, new propertychangedeventargs(property));         }     }      #endregion } 

}

you can add datagridtemplatecolumn , add button celltemplate. use built in applicationcommands.delete or own icommand button

<datagrid itemssource="{binding results}"           autogeneratecolumns="false">     <datagrid.columns>         <datagridtextcolumn header="friendlyname"                             binding="{binding friendlyname}"/>         <datagridtextcolumn header="id"                             binding="{binding id}"/>         <datagridtemplatecolumn header="delete">             <datagridtemplatecolumn.celltemplate>                 <datatemplate>                     <button content="delete"                             command="delete"/>                 </datatemplate>             </datagridtemplatecolumn.celltemplate>         </datagridtemplatecolumn>     </datagrid.columns> </datagrid> 

update
if don't want use built in delete can use own icommand. here short example relaycommand can found in following link: http://msdn.microsoft.com/en-us/magazine/dd419663.aspx. also, uploaded here: relaycommand.cs

<datagrid itemssource="{binding results}"           selecteditem="{binding selectedresult}"           autogeneratecolumns="false">     <datagrid.columns>         <!-- ... -->         <datagridtemplatecolumn header="delete">             <datagridtemplatecolumn.celltemplate>                 <datatemplate>                     <button content="delete"                             command="{binding relativesource={relativesource ancestortype={x:type datagrid}},                                               path=datacontext.deletecommand}"                             commandparameter="{binding}"/>                 </datatemplate>             </datagridtemplatecolumn.celltemplate>         </datagridtemplatecolumn>     </datagrid.columns> </datagrid> 

and in viewmodel or code behind

private result m_selectedresult; public result selectedresult {     { return m_selectedresult;}     set     {         m_selectedresult = value;                         onpropertychanged("selectedresult");     } }  private bool candelete {     { return selectedresult != null; } }  private icommand m_deletecommand; public icommand deletecommand {         {         if (m_deletecommand == null)         {             m_deletecommand = new relaycommand(param => delete((result)param), param => candelete);         }         return m_deletecommand;     } }  private void delete(result result) {     results.remove(result); }