c# - Source Not Available in WPF window -
anyone please me fix problem. error is:
the invocation of constructor on type 'testws.mainwindow' matches specified binding constraints threw exception.' line number '6' , line position '9'.
also showing:
source information missing debug information module.
i viewed in disassembly window shows like:
01112de1 mov dword ptr [ebp-44h],eax <window x:class="testws.mainwindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:local="clr-namespace:testws" mc:ignorable="d" title="mainwindow" height="467" width="799" background="#ff617eb0"> <window.resources> <datatemplate x:key="datatemplateitemdirect"> <stackpanel orientation="horizontal"> <grid> <grid.columndefinitions> <columndefinition width="60" ></columndefinition> <columndefinition width="120"></columndefinition> <columndefinition width="60"></columndefinition> </grid.columndefinitions> <textblock text="{binding userid}" grid.column="0" width="50"/> <textblock text="{binding name}" grid.column="1" width="150"/> <image source="{binding picturestring}" grid.column="2" name="imagename" height="15" width="15" /> </grid> </stackpanel> </datatemplate> </window.resources> <grid> <dockpanel lastchildfill="true" > <stackpanel orientation="horizontal" height="40" width="700" dockpanel.dock="top"> <label name="lbaddress" height="30" width="60" content="address:" margin="10,0,0,0"></label> <textbox name="txtaddr" width="350" height="20" text="ws://localhost:52804/wshandler.ashx"></textbox> <button name="btconnect" height="20" width="80" content="connect" margin="10,0,0,0" click="btconnect_click"></button> <button name="btdisconnect" height="20" width="80" content="disconnect" margin="10,0,0,0" click="btdisconnect_click"></button> <!-- <button name="btlogin" width="80" height="20" content="logout" margin="10,10,0,0" click="btlogin_click" verticalalignment="top"></button> --> </stackpanel> <stackpanel orientation="vertical" verticalalignment="top" dockpanel.dock="left"> <label name="lbuser" height="auto" width="auto" margin="5" foreground="black" fontweight="bold" fontfamily="cambria"/> <button x:name="btnchat" width="100" height="30" content="chat" click="btnchat_click" /> <button x:name="btnfiletransfer" width="100" height="30" content="file transfer" click="btnfiletransfer_click" /> <button x:name="button3" width="100" height="30" content="notification" click="button3_click"/> <button x:name="button5" width="100" height="30" content="group create" click="button5_click"/> <button x:name="button6" width="100" height="30" content="gps msg" click="button6_click"/> <button x:name="button4" width="100" height="30" content="remove user" click="button4_click"/> <!-- <button x:name="button7" width="100" height="30" content="button" click="button7_click"/> --> <!-- <button x:name="button8" width="100" height="30" content="userlist" click="button8_click"/> --> </stackpanel> <dockpanel dockpanel.dock="right" width="270" > <stackpanel> <label x:name="label" content="group" height="30" dockpanel.dock="top" /> <!-- <listbox x:name="listbox" height="100" margin="5" dockpanel.dock="top" /> --> <!-- <datagrid x:name="grdgroup" width="250" height="120" verticalalignment="top" margin="5" autogeneratecolumns="false" selectionchanged="grdgroup_selectionchanged_1" isreadonly="true" selectedvaluepath ="groupid" > <datagrid.columns> <datagridtextcolumn header="group id" binding="{binding groupid}"/> <datagridtextcolumn header="group name" binding="{binding groupname}"/> <datagridtextcolumn header="parentid" binding="{binding parentid}"/> <datagridtextcolumn header="group" binding="{binding subgrp}"/> </datagrid.columns> </datagrid> --> <listbox name="lbgrouplist" width="auto" height="130" margin="5" dockpanel.dock="right" selectionchanged="lbgrouplist_selectionchanged" selectedvaluepath ="groupid" > <listbox.template> <controltemplate> <scrollviewer> <dockpanel lastchildfill="true" background="white"> <grid dockpanel.dock="top" background="cadetblue" > <grid.columndefinitions> <columndefinition width="60" ></columndefinition> <columndefinition width="90"></columndefinition> <columndefinition width="90"></columndefinition> </grid.columndefinitions> <label grid.column="0" content="group id"></label> <label grid.column="1" content="group name"></label> <label grid.column="2" content="group"></label> </grid> <itemspresenter></itemspresenter> </dockpanel> </scrollviewer> </controltemplate> </listbox.template> <listbox.itemtemplate> <datatemplate > <stackpanel orientation="horizontal" > <grid> <grid.columndefinitions> <columndefinition width="60" ></columndefinition> <columndefinition width="90"></columndefinition> <columndefinition width="90"></columndefinition> </grid.columndefinitions> <textblock text="{binding groupid}" grid.column="0" verticalalignment="center" ></textblock> <textblock text="{binding groupname}" grid.column="1" verticalalignment="center" ></textblock> <textblock text="{binding subgrp}" grid.column="2" verticalalignment="center"/> </grid> </stackpanel> </datatemplate> </listbox.itemtemplate> </listbox> <label x:name="lbluser" content="user" height="30" dockpanel.dock="top" /> <listbox x:name="lstuserlist" height="130" margin="5,0,5,0" dockpanel.dock="right" itemtemplate="{dynamicresource datatemplateitemdirect}" selectionchanged="lstuserlist_selectionchanged_1" itemssource="{binding userdisplay}" issynchronizedwithcurrentitem="true" horizontalalignment="stretch" verticalalignment="stretch" width="auto" > <listbox.template> <controltemplate> <scrollviewer> <dockpanel lastchildfill="true" background="white"> <grid dockpanel.dock="top" background="cadetblue" > <grid.columndefinitions> <columndefinition width="60" ></columndefinition> <columndefinition width="130"></columndefinition> <columndefinition width="60"></columndefinition> </grid.columndefinitions> <label grid.column="0" content="user id"></label> <label grid.column="1" content="user name"></label> <label grid.column="2" content="status"></label> </grid> <itemspresenter></itemspresenter> </dockpanel> </scrollviewer> </controltemplate> </listbox.template> </listbox> <!-- <textbox name="txtrecivemessage" margin="0,0,5,0" verticalscrollbarvisibility="auto" textwrapping="wrap" isreadonly="true" /> --> <!-- <listbox x:name="lstuser" margin="5"/> --> <!-- <datagrid x:name="grdusers" height="121" margin="5" selectionchanged="grdusers_selectionchanged_1" autogeneratecolumns="false" isreadonly="true"> <datagrid.columns> <datagridtextcolumn header="user id" binding="{binding userid}"/> <datagridtextcolumn header="user name" binding="{binding username}"/> <datagridtextcolumn header="status" binding="{binding statusname}"/> <datagridtemplatecolumn header="delete"> <datagridtemplatecolumn.celltemplate> <datatemplate> <button command="delete" content="remove" click="button_click_3"/> </datatemplate> </datagridtemplatecolumn.celltemplate> </datagridtemplatecolumn> </datagrid.columns> </datagrid> --> </stackpanel> </dockpanel> <stackpanel x:name="stkusrcontainer" horizontalalignment="center" > <!-- <local:uctrllogin width="400" height="215" loaded="uctrllogin_loaded" /> --> </stackpanel> </dockpanel> </grid> </window>
this may duplicate of here
they added app.config
<configuration> <startup uselegacyv2runtimeactivationpolicy="true" /> </configuration> 
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