Fusion8 Design Relational ListControl Class Library

RelationalListBox.ValidateDataRelation Method 

[This is preliminary documentation and subject to change.]

Ensures the DataSource is valid and contains at least one valid DataRelation.

[Visual Basic]
Overridable Protected Function ValidateDataRelation() As DataRelation
[C#]
protected virtual DataRelation ValidateDataRelation();

Return Value

A valid DataRelation.

Remarks

A DataRelation is required to link the child list's items to the selections in the parent list.

Exceptions

Exception TypeCondition
InvalidOperationExceptionThe datasource is not a DataSet or does not contain at least one valid DataRelation.

See Also

RelationalListBox Class | Fusion8Design.WebControls.UI Namespace