SMART datagrid v.1 > Classes > GridBase
Change visible property of Columns contained in parameter columns based on visible value.
var columns = [{
name: "colRow",
fieldName: "RowIndex",
}, {
name: "colItemId",
fieldName: "ItemId",
}, {
name: "colItemName",
fieldName: "ItemName",
}];
grid.setColumnsVisible(columns, false);