SMART datagrid v.1 > Classes > DataSet

DataLudi.DataSet.setRowTag  method

Specify user data which can be managed in application in each data row. 

The data of any types, such as JSON object or a simple value, is possible. After changing Tag, GridDataSet.onTagChanged event or TreeDataSet.onTagChanged event will be fired. In addition, you can refer the specified tag in data set or several Expressions of grid and tree. 

You can get the tag which is set in data row by getRowTag. 

Returns

Void

Parameters

row - Integer|TreeDataRow. required.

The row number. In the case of TreeDataSet, you can directly specify Row Object.

tag - *. required.

The application data.

Note

• In the case of specifying object as tag, it will not copy and save in DataSet. In other words, if change the properties of object after specifying as tag, the state will be maintained. If not a special case, it should be manged as a read-only object.

    var row = grid.focusedRow();
    if (row) {
        var tag = _getRowTag(row);
        ds.setRowTag(row.dataIndex(), tag);
    }

See Also

GridDataSet.onTagChanged

TreeDataSet.onTagChanged

getRowTag

setRowTags

TreeDataRow

Expression

DerivedField.expression

Examples

Derived Field & Row Tags

Tree Data Tag

Column Dynamic Styles

Row Dynamic Styles