DataRelation.RelationName DataRelation.RelationName DataRelation.RelationName DataRelation.RelationName Property

定义

获取或设置用于从 DataRelationCollection 中检索 DataRelation 的名称。Gets or sets the name used to retrieve a DataRelation from the DataRelationCollection.

public:
 virtual property System::String ^ RelationName { System::String ^ get(); void set(System::String ^ value); };
[System.Data.DataSysDescription("DataRelationRelationNameDescr")]
public virtual string RelationName { get; set; }
member this.RelationName : string with get, set
Public Overridable Property RelationName As String

属性值

DataRelation 的名称。The name of the a DataRelation.

异常

null 或空字符串 ("") 传入作为 DataRelationDataColumnnull or empty string ("") was passed into a DataColumn that is a DataRelation.

DataRelation 属于一个集合,该集合已经包含具有相同名称的 DataRelationThe DataRelation belongs to a collection that already contains a DataRelation with the same name.

示例

下面的示例使用RelationName属性来检索DataRelationDataRelationCollectionThe following example uses the RelationName property to retrieve a DataRelation from a DataRelationCollection.

Private Sub GetRelation()
    ' Get the collection of a DataSet.
    Dim collection As DataRelationCollection = _
        DataSet1.Relations

    ' Add a relation named CustomerOrders.
    Dim myRel As DataRelation = _
        collection("CustomerOrders")

    ' Print the RelationName.
    Console.WriteLine(myRel.RelationName.ToString())
End Sub

注解

使用RelationName属性来检索DataRelationDataRelationCollectionUse the RelationName property to retrieve a DataRelation from the DataRelationCollection.

适用于

另请参阅