onBeforeLoad

fires immediately before data loading has started

boolean onBeforeLoad();
booleanreturning false will prevent data loading

Example

mygrid.attachEvent("onBeforeLoad", function(){
    webix.message("Loading...");
    return true;
});

Related samples

Details

Returning false from the event handler will block further processing.

See also
Back to top
If you have not checked yet, be sure to visit site of our main product Webix lightweight js framework and page of web based spreadsheet product.