onBeforeColumnDrop

fires the moment you drop the column to its target position

function onBeforeColumnDrop(
    // the source column id
    sourceId: string,
    // the target column id
    targetId: string,
    // object    the native event object
    event: Event
): void

Example

datagrid1.attachEvent("onBeforeColumnDrop",
    function(sourceId, targetId, event){
        // some code
        return true;
    });

Details

The event is blockable. Returning false will prevent column dropping.

See also

Articles

• Drag-and-drop with DataGrid

API

• onAfterColumnDrop
• onBeforeColumnDrag