onHeaderClick

fires on clicking the column header

function onHeaderClick(
    // the column header
    header: object,
    // the native HTML event
    event: object,
    // an HTML element on which a click was caught
    target: element
): boolean

Returns

boolean returning false will prevent further actions: headermenu opening, sorting, etc.

Example

datagrid1.attachEvent("onHeaderClick", function(header, event, target){
    this.sort({ by:header.column });
});

Details

The first parameter of the handler function is the column header, e.g: {column:"columnId"}.