SMART datagrid v.1 > Classes > CalculatedColumn

DataLudi.CalculatedColumn.calcBounds  property

通过ColumnCalcBounds常数，指定当计算cached状态的计算列的单元格的值时，将会一同计算的单元格的限制范围。 

通过calcRange属性，设置计算区域。 

默认值为ColumnCalcBounds.GRID.

Getter

function calcBounds(): ColumnCalcBounds

Setter

function setCalcBounds(value: ColumnCalcBounds)

    grid.setColumns([{
        name: "colQuantity",
        type: "calced",
        cached: true,
        calcBounds: DataLudi.ColumnCalcBounds.GRID,
        calcRange: DataLudi.ColumnCalcRange.FIRST,
        valueExpression: "quantity + prevval",
        ...
    },
    ...
    ];

See Also

ColumnCalcBounds

ColumnCalcRange

calcRange

Examples

累计计算列

计算列