closable

Optional. Either allows closing a particular element of the group panel or makes it permanently enabled

pro version only

The described functionality requires PRO version of the DHTMLX Grid (or DHTMLX Suite) package.

Usage

closable?: boolean; 

Default value: true

Example

const grid = new dhx.Grid("grid_container", {
    columns: [
        {
            id: "country",
            header: [{ text: "Country" }],
            // grouping of the "country" column is permanently enabled
            // and can't be switched off via the group panel
            closable: false, 
        },
        // more columns configuration objects
    ],
    group: {
        order: [ "country" ]
    },
    // more options
});

Related article: Making group panel elements closable