new DataRelation(relationName, parentTableName, parentColsName, childTableName, childColsNameopt) → {DataRelation}
Describe a relation between two DataTables of a DataSet.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
relationName |
string | |||
parentTableName |
string | |||
parentColsName |
String | Array.<String> | array of string | ||
childTableName |
string | |||
childColsName |
String | Array.<String> |
<optional> |
parentColsName | optional names of child columns |
Returns:
- Type
- DataRelation