wpf - how to bind itemsource to combox which is in datagrid having again another itemsource -


this id code.. how bind itemsource combox in datagrid having again itemsource

<datagrid x:name="dgdata" autogeneratecolumns="false" borderbrush="aqua" minwidth="500" minheight="270" itemssource="{binding selectedaccdtlist}" background="transparent"  canuseraddrows="true">     <datagrid.columns>                                                    <datagridtextcolumn header="sr.no." binding="{binding selectedaccdtlist.instcode}" />         <datagridcomboboxcolumn  header="accessory_name" selectedvaluebinding="{binding selectedacclist, mode=twoway}"  selectedvaluepath="itemcode" displaymemberpath="itemname" />         <datagridtextcolumn header="accessory_scope" binding="{binding accscop}"/>         <datagridcomboboxcolumn header="accessory_type" itemssource="{binding accctyp}">         </datagridcomboboxcolumn>     </datagrid.columns> </datagrid>

to want, need structure data correctly. means need have class data items , in class, need have 1 collection property:

<datagrid itemssource="{binding classitems}" autogeneratecolumns="false">     <datagrid.columns>                                                    <datagridtextcolumn binding="{binding stringpropertyfromclass}" header="sr.no." />         <datagridcomboboxcolumn itemssource="{binding collectionpropertyfromclass}"             selecteditem="{binding dataitempropertyfromclass, mode=two-way}" header="items" />         ...     </datagrid.columns> </datagrid>

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