SMART datagrid v.1 > Classes > DataColumn

DataLudi.DataColumn.defaultExpression  property

Expression which returns the value used as a default value of column when add the row. 

If specify defaultCallback, this value will be ignored. And, if set this property, DataField.defaultValue, defaultValue will be ignored. 

Like defaultCallback, it will be used when you need to dynamically specify the default value. 

Defaults to null.

Getter

function defaultExpression(): String

Setter

function setDefaultExpression(value: String)

    // Create a seven-digit random number which starts with 3. 
    column.setDefaultExpression('10000000 + (rand 1000000)');

See Also

defaultValue

defaultCallback

DataField.defaultValue

Examples

Row Inserting