c# - My scrollview is not working in windows phone 8.1 -

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my scrollview not working in windows phone 8.1. here code. please me. textblock see in bind database. fetch data database , show in scrollviewer. suggest me correct code.

<phone:pivotitem header="market status">             <grid>                 <grid.rowdefinitions>                     <rowdefinition height="auto"/>                     <rowdefinition height="auto"/>                     <rowdefinition height="*"/>                 </grid.rowdefinitions>                 <button x:name="btnrefresh" grid.row="0" horizontalalignment="center" verticalalignment="bottom" width="80" height="80" borderbrush="transparent" click="btnrefresh_click">                     <button.background>                         <imagebrush imagesource="/assets/icons/refresh2.png"/>                     </button.background>                 </button>                 <stackpanel orientation="vertical" horizontalalignment="center" margin="20,10,20,10" grid.row="1">                     <stackpanel.background>                         <imagebrush imagesource="/assets/icons/bg-market-highlight.png"/>                     </stackpanel.background>                     <stackpanel margin="10,20,10,0">                         <stackpanel.background>                             <imagebrush imagesource="/assets/icons/market-status-bar.png"/>                         </stackpanel.background>                         <stackpanel x:name="stack_datetimenstatus" orientation="horizontal" >                             <textblock text="status:" fontsize="22" foreground="black" margin="10,0,10,0" />                             <textblock x:name="txbmarketstatus" text="{binding marketstatus}" fontsize="22" foreground="black" width="85" />                             <textblock x:name="txbdate" text="{binding datetime}" fontsize="22" width="210" textalignment="right" horizontalalignment="right" foreground="black" margin="5,0,0,0" />                         </stackpanel>                     </stackpanel>                      <stackpanel x:name="stack_listbox_markethighlights" margin="0,10,0,10">                         <listbox x:name="listbox_markethighlights" itemssource="{binding}" scrollviewer.verticalscrollbarvisibility="disabled">                             <listbox.itemtemplate>                                 <datatemplate x:name="datatemplate_markethighlights">                                     <stackpanel orientation="horizontal">                                         <textblock x:name="txb_title_value" width="250" foreground="black" horizontalalignment="left" text="{binding title}" margin="10,0,10,0" />                                         <textblock x:name="txb_value_value" width="125" foreground="black" horizontalalignment="right" textalignment="right"  text="{binding value}" margin="0,0,10,0" />                                     </stackpanel>                                 </datatemplate>                             </listbox.itemtemplate>                         </listbox>                     </stackpanel>                  </stackpanel>                 <stackpanel orientation="vertical" horizontalalignment="center" margin="20,10,20,10" grid.row="2">                     <stackpanel.background>                         <imagebrush imagesource="/assets/icons/bg-market-highlight.png"/>                     </stackpanel.background>                                            <stackpanel x:name="stack_listbox_favorite" margin="0,10,0,10">                         <stackpanel margin="10,10,10,0">                             <stackpanel.background>                                 <imagebrush imagesource="/assets/icons/market-status-bar.png"/>                             </stackpanel.background>                             <stackpanel orientation="horizontal" >                                 <!--<textblock text="industry" fontsize="22" foreground="black" width="180" margin="10,0,10,0" />-->                                 <textblock text="symbol" fontsize="22" foreground="black" width="250" margin="10,0,0,0" />                                 <textblock text="change" fontsize="22" width="125" textalignment="right" horizontalalignment="right" foreground="black" margin="0,0,10,0" />                             </stackpanel>                         </stackpanel>                         <stackpanel margin="0,10,0,10">                             <scrollviewer>                                 <listbox x:name="listbox_favorite" itemssource="{binding}" virtualizingstackpanel.virtualizationmode="recycling" scrollviewer.verticalscrollbarvisibility="disabled">                                     <listbox.itemtemplate>                                         <datatemplate >                                             <stackpanel orientation="horizontal">                                                 <textblock x:name="txb_symbol_name"  foreground="black" width="250" horizontalalignment="left" textalignment="left"  text="{binding symbol_name}" margin="10,0,10,0" grid.column="0" />                                                 <textblock x:name="txb_change_value" foreground="black" width="125" horizontalalignment="right" textalignment="right"  text="{binding change}" margin="0,0,0,0" grid.column="1"/>                                                 <!--<stackpanel orientation="horizontal">-->                                                 <!--<textblock x:name="txb_industry_name" width="180" foreground="black" horizontalalignment="left" text="{binding industry_name}" margin="10,0,10,0" />-->                                                 <!--<textblock x:name="txb_symbol_name"  foreground="black" width="250" horizontalalignment="left" textalignment="left"  text="{binding symbol_name}" margin="10,0,0,0" />                                                 <textblock x:name="txb_change_value" foreground="black" width="125" horizontalalignment="right" textalignment="right"  text="{binding change}" margin="0,0,10,0" />                                             </stackpanel>-->                                             </stackpanel>                                         </datatemplate>                                     </listbox.itemtemplate>                                 </listbox>                             </scrollviewer>                             <textblock x:name="txbnorecordes" text="no record found" visibility="collapsed" horizontalalignment="left" verticalalignment="top" fontsize="30" grid.row="0" margin="20,0,0,0" foreground="black"/>                         </stackpanel>                     </stackpanel>                 </stackpanel>             </grid>         </phone:pivotitem>

i saw comment , have code example how work me, put in right place , should help:

    <scrollviewer padding="20" horizontalalignment="center">                <listbox horizontalalignment="stretch" verticalalignment="stretch">                       ....                </listbox>    </scrollviewer>

you can play params want, horizontalalignment , verticalalignment important, don't forget set them.


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