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 End-User Documentation
View this topic on docs.devexpress.com (Learn more)

FederationConditionType Enumeration

Specifies the relation's condition.

Namespace:DevExpress.DataAccess.DataFederation
Assembly:DevExpress.DataAccess.v19.1.dll

Expanded Public Members

Show: Inherited
  Name Description
Public field Equal Specifies the "equal" relational operator.
Public field Greater Specifies the "greater than" relational operator.
Public field GreaterOrEqual Specifies the "greater than or equal to" relational operator.
Public field Less Specifies the "less than" relational operator.
Public field LessOrEqual Specifies the "less than or equal to" relational operator.
Public field NotEqual Specifies the "not equal" relational operator.
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Expanded Remarks

The FederationConditionType enumeration member is assigned to the FederationRelationColumnInfo.ConditionOperator property.

Expanded Example

To create a master-detail relationship between two queries, add an instance of the FederationMasterDetailInfo (see FederationMasterDetailInfo) object to the Relations collection:

Note

The complete sample project How to Create a Federated Data Source at Runtime is available in the DevExpress Examples repository.

Expanded See Also

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