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As a temporary work-around you can remove the data-attribute that gives the column options and then the new options should be applied. Try it using the jQuery. You have several problems in your code: Accessing your view components from inside your viewmodel is not the way to do things in MVVM.
Because it is specifically not designed to work this way, you will have to go out of your way to make it work. You should probably investigate how to accomplish your goals using Well I don't profess to be an expert in mvvm, but one way that I have found works is the following.
Let's say that I have a textbox on my form whose gotFocus and Text changed events I want to handle in my view model. In the xaml I would Since I was essentially getting a value out of the url, I used the old school approach until I can use routes across the entire app properly: You can use them to provide some guidance with your framework. This isn't problem with kendoui-popover. The problem is unneeded scope. They will remove that in newest version: Forum discussion They committed fix today: Assuming you truly want to have a collapsed visibility in case of null SelectedItem only, there's really no need to use code for that.
The following XAML will do the job just fine. Just give your source DataGrid a name I've assumed Grid as name in following example and use Change your controller to this: Projects; return Json projects.
There is a solved question similar to this on kendo forum, it already has the answer to solve this problem by extending the kendo tabstrip widget and add kendo Reorderable into it. There is no API to get Grid object from data source, but there is many approach beside that.
You can create generic grid's edit event and storing in global scope variable which grid's ID was triggered that event. I prefer to do this rather than compare mutable data source. Since you're marking the event as Handled e. You'll have to manage the sort direction yourself. But it should be as easy as this: After hours of searching, I found a StackOverflow answer to a similar question. The answer was to add a PropertyChanged function to the Propertymetadata. I'm not sure yet what this actually means or why it is only needed here, but it works properly: This is a common misconception.
You need to use a PropertyChanged callback if you want to execute some code whenever the property value changes. Your UserControl code should look like this, instead: There's a different solution out there, namely that you can use a converter to define the translation between your strings and a bool. I have one 'Window', the mainwindow, and in this window all UserControls are loaded.
Every UserControl has its Therefore the code in the object's constructor will be executed. If your constructor does anything fancy which may need to reference another class, or create objects, you will likely get errors, but only in design-time.
You need to specify kendo date time picker parse-format and match it with kendo date picker format by default its follow your culture setting, e. You can use the edit event of the grid to hide some element from the popup window: MainViewModel is not a class that is part of the visual tree. You are not changing the value of the TestString, you are assigning a command to change the value but you do not seem to be executing it. RunAction ; Bind that command to something or execute it manually from somewhere.
Also you need to assign the property not StyleSelector doesn't listen to PropertyChange notifications. However you can use DataTrigger based on a Boolean property instead: This is an all or nothing change, but will do just that. Set the default options for the scrollable to false kendo. You're referring caching here. Required; and in OnNavigatedTo event handler , check your navigationMode and delete if you're doing something more than default initializing How about validating the whole person object in your Validate methode, not just a single property?
Error is an event, not a property. You can't set Bindings to events. But there really isn't anything wrong with just adding a regular event handler in code-behind and calling some viewmodel Your issue is caused by the fact that the mapping plugin makes your data observable, but doesn't augment your data with the functions in your model such as the add, remove, etc If you do a console log for the json data when it's inserted into the view model In kendoGrid each data is represented by array of objects in which one array element is one row.
Kendo adds uid property to all dataObjects in array. So one dataObject looks like: The Telerik support asked the right questions. The problem is quite simple: There is no editor template specified! There are at least? Specify the name of the editor template e. I have fixed by using oData filtering. The first level of the dataSource is the groups.
Then each group has a property called items which is actually the rows in the group. By logging the data that you're charting, you can see that the code is called for 6 items. If you add category to the label, you can see that legends are being created for items from Men and Women: You should debug the data structure that is actually generating labels You probably also want In MVVM, the state typically comes from the view model.
One possibility would be to share the same view model and another To enable the bound value to update the filter change it to: I believe you're on the right track with POST.
GET is much more simplier: Probably you should consider to use dataSource. As usual the answer is ain't common, it depends on how you really want to implement it. But for the sake of patterns and organized code, i would recommend that you have: Separate Viewmodel per view: You should not notify property changes if the property did not change.
You always can know for sure when it becomes empty and the other way around. You can put code on the CLR setter of your OrganizationName property, to update the rest of the properties however you want: You can use column templates: Well, the best solution I came up with is to put the cell in edit mode when mouse enters that cell!
So instead of the entire JS code in the question, I simply use this. You would need to: How to make KendoUI grid. My problem can be reproduced by performing few simple steps with bellow given jsfiddle code Resize columns Save the state Move the columns to some other width Load the state What I would expect to be the outcome is that after step 4, column width will be reset to saved state.
How can I access non-route url parameters in an angular app? Implementing data binding in a MVVM framework c , mvvm , data-binding , system.