How can I refresh a grid data source using angular Kendo UI

Question

I am combining Telerik Kendo grid with Angular using the Angular Kendo UI project.

I have the following markup:

<div kendo-grid="" k-options="thingsOptions" style="height: 600px;" />

and the following code in my controller:

    $scope.thingsOptions = {
        dataSource: {
            type: "json",
            transport: {
                read: "/OM/om/getAssets",
                dataType: "json"
            },
            schema: {
                model: {
                    id: "ProductID",
...

This all works fine however I would like to force a data source refresh of my grid from my controller. something like

 $scope.getTasks = function() {
    $scope.thingsOptions.dataSource.read();
};

Is this possible to do from the controller? I could always do something like

$("#taskGrid").data("kendoGrid").dataSource.read();

In my controller. But it seems a bit wrong to have to select a HTML element from my controller.

Solution 1

Just pass in a scope variable to the directive, then inside of your controller you can use the variable to call whatever widget methods you need.

<div kendo-grid="grid" ...></div>

<script>
  ...

  $scope.getTasks = function() {
    // scope.grid is the widget reference
    $scope.grid.refresh();
  }

  ...
</script>

Ref: http://blogs.telerik.com/kendoui/posts/14-02-26/a-few-angular-kendo-ui-best-practices

Solution 2

Your datasource must be a kendo object

$scope.thingsOptions = {
        dataSource: new kendo.data.DataSource({
                    type: "json",
                    transport: {
                        read: "/OM/om/getAssets",
                        dataType: "json"
                    },
                    schema: {
                        model: {
                            id: "ProductID",

then it is possible to call

$scope.thingsOptions.dataSource.read();

Comments

[Agent_K]

Great answer, but unfortunately this doesn't work if you change dataSource and columns. The KendoUi-Grid doesn't support defining columns after the widget is created - as is stated here: kendo-labs.github.io/angular-kendo/#/grid-widget. Any idea how to achieve that? Probably you have to go to another route and thus reload the child template ...

[Halcyon]

I can confirm this as well. I had to use $scope.grid.dataSource.read(). I'm using the 2015.3.930 library.

[micjamking]

You have to pass in $scope to use those methods.

[Pankaj Parkar]

@micjamking somehow this doesn't work, I solved my problem with by this answer

[Immortal]

this is a better answer compared to the accepted one, gives more control of what to do.