SMART datagrid :: expression

SMART datagrid v.1 > Classes > ColumnFilter

DataLudi.ColumnFilter.expression property

Column filter discriminant.

The row which is against this discriminant will not be displayed in grid during run time. In the table below, it has introduced Built-in Variables which can be used within the expression.

Defaults to null.

Getter: function expression(): String
Setter: function setExpression(value: String)

Table-1 ColumnFilter.expression variables

Variable	Explanation
'value'	The value of this column data cell
'field'	The index of data field connected to this column
'values'	It gets the different field value of the same row by field name or field index.

Code -1

    grid.setColumns([{
        name: 'col_1',
        filters: [{
            name: 'filter_01',
            expression: "value > 10 && values['field_2'] == 'a'"
        }]
    },
    ...
    ]);

See Also: active; DataColumn.filters; GridBase.rowFilter

Examples: Column Filtering