SMART datagrid v.1 > Classes > CalculatedColumn

DataLudi.CalculatedColumn.nanText  property

当valueType为NUMBER并且计算值为NaN时，将会被替代显示的字符串。 

默认值为null.

Getter

function nanText(): String

Setter

function setNanText(value: String)

    grid.setColumns([{
        name: "colAmount",
        type: "calced",
        valueExpression: "unit_price * quantity",
        nanText: "-"
    },
        ...
    ]);

See Also

nanValue

valueType

valueExpression

valueCallback

Examples

累计计算列

计算列