Work with DataView

Setting focus on item

To set focus on a DataView item, make use of the setFocus() method. It takes the id of an item as a parameter:

dataview.setFocus("7");

Editing items

You can edit a particular DataView item with the help of the editItem() method. It takes as a parameter the id of an item:

dataview.editItem("1");

Related sample:  Dataview. Edit Item

Disabling and enabling selection of an item

For information on disabling/enabling selection of an item, read Enabling/Disabling Selection object.

Using Data Collection API

You can manipulate DataView items with the help of the Data collection API.

Adding items into DataView

It is possible to add more items into the initialized DataView on the fly. Use the add() method of Data Collection. It takes two parameters:


dataview.data.add({
    "value": "Learning new DHTMLX" + " " + (2019 + i),
    "thumbnailName": "61ot4vfL9HL.jpg",
    "shortDescription": "Create your first single-page JavaScript application"
},0);

Related sample:  Dataview. Add

Updating DataView items

You can change config options of the item via the update() method of Data Collection. It takes two parameters:


For example, you can change the value of an item:

dataview.data.update("item_id",{
    value:"Nice item"
});

Related sample:  Dataview. Update

Removing items from DataView

To remove an item, make use of the remove() method of Data Collection. Pass the id of the item that should be removed to the method:

dataview.data.remove("id");

Related sample:  Dataview. Delete

Filtering DataView data

You can filter DataView data by the specified criteria with the help of the filter method of Data collection. Check all details on parameters of the method in the Data collection API.

dataview.data.filter({
    by:"value",
    match:2,
    compare:(value,match,item)=>{ return parseFloat(value) % 2 == 0}
});

Related sample:  Dataview. Filter

Sorting DataView data

It is possible to sort data in DataView via the sort method of Data collection. Check all details on parameters of the method in the Data collection API.

dataview.data.sort({ 
    by:"value",
    dir:"desc"
});

Related sample:  Dataview. Sort

Using Selection API

For information on using Selection API, read Work with Selection Object.

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