SMART datagrid v.1 > Classes > CalculatedColumn

DataLudi.CalculatedColumn.calcRange  property

通过ColumnCalcRange常数，指定当计算cached状态的计算列的单元格的值时，将会被一同计算的单元格的区域。 

通过calcBounds属性，指定限制计算区域的范围。 

默认值为ColumnCalcRange.ROWS.

Getter

function calcRange(): ColumnCalcRange

Setter

function setCalcRange(value: ColumnCalcRange)

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

See Also

ColumnCalcRange

ColumnCalcBounds

calcBounds

Examples

累计计算列

计算列