xaml - WPF - GridView items inside the listview cannot be properly aligned -

i have following .xaml file. have grid view inside listview. gridview contains 2 columns. issue items of first column cannot aligned in way want be.

      <listview ....>           <gridview....>               <gridviewcolumn header=" ...." ....>                  <gridviewcolumn.celltemplate>                          <datatemplate>                                 <stackpanel .....>                                      <textblock text="{binding name}" ..../>                                  </stackpanel>                           </datatemplate>                   </gridviewcolumn.celltemplate>            </gridviewcolumn>           <gridviewcolumn header="....."  ....>                <gridviewcolumn.celltemplate>                          <datatemplate>                                  <itemscontrol itemsource="{binding namelist}">                                          <itemscontrol.datatemplate>                                                  <stackpanel ....>                                                                <textbox text="{binding itemname}">                                                  </stackpanel>                                          </itemscontrol.datatemplate>                                   </itemscontrol>                          </datatemplate>                 </gridviewcolumn.celltemplate>            </gridviewcolumn>      </gridview>  </listview> 

what ouput following.

               * item 1                * item 2  header 1      * item 3                * item 4                * item 5                 * item 1   header 2     * item 2                * item 3 

what need following

       header 1    * item 1                    * item 2                    * item 3                    * item 4                    * item 5       header 2      * item 1                    * item 2                    * item 3 

could pls me fix ?

found solution !

  <listview ...>        <listview.itemcontainerstyle>             <style targettype="listviewitem">                  <setter property="verticalcontentalignment" value="top" />              </style>       </listview.itemcontainerstyle>      .........  </listview>