wpf - Problem with binding property on control in datagrid header -


.net 4, caliburn micro. need add textbox, comobobox , controls datagrid headers , bind property view model class on these controls.

so try use headertemplate:

xaml:

<datagrid itemssource="{binding calls}"               autogeneratecolumns="false">     <datagrid.columns>          <datagridtextcolumn  isreadonly="true"                              cellstyle="{staticresource cellstyle}"                              binding="{binding path=number}">              <datagridtextcolumn.headertemplate>                 <datatemplate>                     <stackpanel orientation="vertical">                         <textblock text="cell phone no"/>                         <textbox width="120"                                   fontsize="14"                                   verticalalignment="center"                                  borderthickness="1"                                  text="{binding path=numberfiltervalue,                                                 mode=onewaytosource,                                                 updatesourcetrigger=propertychanged}"/>                     </stackpanel>                 </datatemplate>             </datagridtextcolumn.headertemplate>         </datagridtextcolumn>     </datagrid.columns> </datagrid>

in header have textbox control , try bind property numberfiltervalue view model class.

view model class:

    public string numberfiltervalue     {         { return _numberfiltervalue; }         set         {             _numberfiltervalue = value;             notifyofpropertychange(() => numberfiltervalue);             filtercalls();         }     }

problem binding not works. property numberfiltervalue still empty.

what root of problem , how can solve it? thank cooperation.

if sure meant onewaytosource , not oneway should read this: onewaytosource binding seems broken in .net 4.0


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