c# - Checkbox checked event not firing in wpf -
hi in form(adminentitylist.xaml) file contains code below
<resourcedictionary xmlns:local="clr-namespace:iwatch.administration" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" mc:ignorable="d" xmlns:my="clr-namespace:iwatch.uilibrary;assembly=uilibrary" xmlns:dxg="http://schemas.devexpress.com/winfx/2008/xaml/grid" xmlns:dx="http://schemas.devexpress.com/winfx/2008/xaml/core" xmlns:dxb="http://schemas.devexpress.com/winfx/2008/xaml/bars" xmlns:cmd="clr-namespace:iwatch.uilibrary;assembly=uilibrary" x:class="adminentitylist"> <controltemplate x:key="addimgbtntemplate" targettype="button"> <grid> <image name="normal" source="/uilibrary;component/themes/default/images/add.png" opacity="1.0" height="18" width="18"/> </grid> <controltemplate.triggers> <trigger property="ispressed" value="true"> <setter targetname="normal" property="opacity" value="0.5"/> </trigger> <trigger property="isenabled" value="false"> <setter targetname="normal" property="opacity" value="0.2"/> </trigger> </controltemplate.triggers> </controltemplate> <controltemplate x:key="delimgbtntemplate" targettype="button"> <grid> <image name="normal" source="/uilibrary;component/themes/default/images/delete.png" opacity="1.0" height="18" width="18"/> </grid> <controltemplate.triggers> <trigger property="ispressed" value="true"> <setter targetname="normal" property="opacity" value="0.5"/> </trigger> <trigger property="isenabled" value="false"> <setter targetname="normal" property="opacity" value="0.2"/> </trigger> </controltemplate.triggers> </controltemplate> <style targettype="{x:type local:adminentitylist}"> <setter property="fontfamily" value="calibri"/> <setter property="dx:thememanager.themename" value="office2007black"/> <setter property="template" > <setter.value> <controltemplate targettype="{x:type local:adminentitylist}"> <dockpanel> <dockpanel dockpanel.dock="top"> <stackpanel name="stpfilter" orientation="horizontal" horizontalalignment="left" margin="5"> <contentcontrol x:name="filtercriteriaarea" contenttemplate="{templatebinding filtercriteriaarea}"/> </stackpanel> <stackpanel name="stpcountry" orientation="horizontal" horizontalalignment="right" margin="5" > <label content="select country" name="lblcountry" style="{staticresource lblnormal}" margin="10,0,5,7" horizontalalignment="stretch" verticalalignment="bottom" visibility="collapsed"/> <combobox name="cbcountry" width="170" style="{staticresource ddlnormal}" selectedvalue="{binding countrykey,mode=twoway}" horizontalalignment="left" verticalalignment="top" margin="5,2,10,0" visibility="collapsed"/> <button content="filter" name="btnfilter" width="70" height="23" margin="0,0,10,0" visibility="collapsed"/> </stackpanel> <stackpanel name="actinact" orientation="horizontal" horizontalalignment="left" margin="5"> <checkbox name="chkactive" height="18" content="active" checked="chkactive_checked"></checkbox> <checkbox name="chkinactive" height="18" content="in-active"/> </stackpanel> <stackpanel name="stpadddel" orientation="horizontal" horizontalalignment="right" margin="5"> <button name="btnadd" height="20" width="20" margin="5,0" template="{staticresource addimgbtntemplate}" /> <button name="btndel" height="20" width="20" margin="5,0" template="{staticresource delimgbtntemplate}" /> </stackpanel> </dockpanel> <dockpanel name="amldp"> <dxg:gridcontrol name="genericgrid" autopopulatecolumns="true" showborder="false" designtimedatasourcerowcount="50" datasource="{binding}" padding="0" margin="0,0,0,0" ismanipulationenabled="true" dx:thememanager.themename="cpcegridtheme"> <dxg:gridcontrol.resources> <resourcedictionary x:key="cpcegridtheme" source="/uilibrary;component/themes/default/styles/datagrid/cpcegridtheme.xaml" /> </dxg:gridcontrol.resources> <dxg:gridcontrol.view> <dxg:tableview x:name="tblgeneric" multiselectmode="row" allowgrouping="true" cliptobounds="true" autowidth="true" showgrouppanel="false" showhorizontallines="true" showverticallines="false" allowmovecolumntodroparea="false" allowdrop="false" isgrouppanelmenuenabled="false" allowediting="false" navigationstyle="cell" margin="0" grouprowstyle="{staticresource oddevenrowstyle}" virtualizingstackpanel.isvirtualizing="true" virtualizingstackpanel.virtualizationmode="standard" allowhorizontalscrollingvirtualization="true" rowstyle="{staticresource oddevenrowstyle}" cellstyle="{staticresource focusedcellstyle}"> <dxg:tableview.rowcellmenucustomizations> <dxb:barbuttonitem name="ctmview" isvisible="false" content="view" command="{x:static cmd:customcommands.view}" /> <dxb:barbuttonitem name="ctmedit" isvisible="true" content="edit" command="{x:static cmd:customcommands.edit}" /> <dxb:barbuttonitem name="ctmmiq" isvisible="false" content="manage interview questions" command="{x:static cmd:customcommands.manageinterviewquestions}" /> <dxb:barbuttonitem name="ctmactivate" isvisible="false" content="activate" command="{x:static cmd:customcommands.activate}" /> <dxb:barbuttonitem name="ctmcopyinterviewtype" isvisible="false" content="copy interview type" command="{x:static cmd:customcommands.copyinterviewtype}" /> <dxb:barbuttonitem name="ctmassigninvgroup" isvisible="false" content="assign investigative group" command="{x:static cmd:customcommands.assigninvestigativegroup}" /> <dxb:barbuttonitem name="ctmcopyselected" isvisible="false" content="copy selected" command="{x:static cmd:customcommands.copyinterviewtemplate}" /> </dxg:tableview.rowcellmenucustomizations> </dxg:tableview> </dxg:gridcontrol.view> <dxg:gridcontrol.commandbindings> <commandbinding x:name="cmdedit" command="{x:static cmd:customcommands.edit}" /> <commandbinding x:name="cmdview" command="{x:static cmd:customcommands.view}" /> <commandbinding x:name="cmdmiq" command="{x:static cmd:customcommands.manageinterviewquestions}" /> <commandbinding x:name="cmdactivate" command="{x:static cmd:customcommands.activate}" /> <commandbinding x:name="cmdcopyinterviewtype" command="{x:static cmd:customcommands.copyinterviewtype}" /> <commandbinding x:name="cmdassigninvestigativegroup" command="{x:static cmd:customcommands.assigninvestigativegroup}" /> <commandbinding x:name="cmdcopyselected" command="{x:static cmd:customcommands.copyinterviewtemplate}" /> </dxg:gridcontrol.commandbindings> </dxg:gridcontrol> </dockpanel> </dockpanel> </controltemplate> </setter.value> </setter> </style> </resourcedictionary> in above code created checkbox checked event checked="chkactive_checked"
private void chkactive_checked(object sender, routedeventargs e) { } but event not firing , getting error
error 14 'adminentitylist' not contain definition 'chkactive_checked' , no extension method 'chkactive_checked' accepting first argument of type 'adminentitylist' found (are missing using directive or assembly reference?)
please me problem...
here simple example:
<window x:class="checkboxcheckedcommand.mainwindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" title="mainwindow" height="350" width="525"> <grid> <checkbox content="case sensitive" command="{binding checkedcommand}"/> </grid> codebehind:
public partial class mainwindow : window { public viewmodel vm { get; set; } public mainwindow() { initializecomponent(); vm = new viewmodel(); this.datacontext = vm; } } viewmodel:
public class viewmodel { public icommand checkedcommand { get; set; } public viewmodel() { checkedcommand = new checkedcommand(this); } public void checkedhandler() { //todo - implement handler } } and of course checked unchecked command:
public class checkedcommand : icommand { private viewmodel _vm = null; public checkedcommand(viewmodel _viewmodel) { _vm = _viewmodel; } public bool canexecute(object parameter) { return true; } public event eventhandler canexecutechanged; public void execute(object parameter) { _vm.checkedhandler(); } } let me know if need more details, maybe parameter has sent view , received handler..
i see easy , normal flow mvvm. have instance/static method issue right there.. try above approach, in opinion cleared , helps decouple things.
oh, forgot say, command="{binding checkedcommand}" , both applicable checked , unchecked events.
update 1
this can codebehind:
public partial class mainwindow : window { public bool ischecked { { return (bool)getvalue(ischeckedproperty); } set { setvalue(ischeckedproperty, value); } } // using dependencyproperty backing store ischecked. enables animation, styling, binding, etc... public static readonly dependencyproperty ischeckedproperty = dependencyproperty.register("ischecked", typeof(bool), typeof(mainwindow), new propertymetadata(false, new propertychangedcallback(propertychanged))); private static void propertychanged(dependencyobject obj, dependencypropertychangedeventargs e) { //textbox.scrolltoend(); //an object reference required non-static field. mainwindow localwindow = (mainwindow)obj; console.writeline(localwindow.teststring); } public string teststring { get; set; } public mainwindow() { initializecomponent(); teststring = "test"; this.datacontext = this; } } and checkbox definition now:
<checkbox content="case sensitive" ischecked="{binding ischecked}"/> you define dependencyproperty name ischecked. each time check or uncheck it, callback method defined there called. , may see example on how access instance field static method. luck!
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