SMART datagrid v.1 > Classes > CalculatedColumn

DataLudi.CalculatedColumn.valueCallback  property

返回计算列单元格的值的回调函数。 

function (column:CalculatedColumn, row:GridRow):*;

它优先于valueExpression。 

默认值为null.

Getter

function valueCallback(): Function

Setter

function setValueCallback(value: Function)

    grid.setColumns([{
        name: "colAmount",
        type: "calced",
        valueType: DataLudi.ValueType.NUMBER, // 默认值
        valueCallback: function (column, row) {
            return row.getValue('unit_price') * row.getValue('quantity');
        }
    }, 
        ...
    ]);

See Also

valueExpression

valueType

Examples

计算列

累计计算列