DataRelation.ChildColumns 属性

定义

获取此关系的子级 DataColumn 对象。

public:
 virtual property cli::array <System::Data::DataColumn ^> ^ ChildColumns { cli::array <System::Data::DataColumn ^> ^ get(); };
public virtual System.Data.DataColumn[] ChildColumns { get; }
[System.Data.DataSysDescription("DataRelationChildColumnsDescr")]
public virtual System.Data.DataColumn[] ChildColumns { get; }
member this.ChildColumns : System.Data.DataColumn[]
[<System.Data.DataSysDescription("DataRelationChildColumnsDescr")>]
member this.ChildColumns : System.Data.DataColumn[]
Public Overridable ReadOnly Property ChildColumns As DataColumn()

属性值

DataColumn[]

一个 DataColumn 对象数组。

属性

示例

以下示例获取 a DataRelation. 的子DataColumn对象。

Private Sub GetChildColumns()
    ' Get the DataRelation of a DataSet.
    Dim relation As DataRelation = _
        DataSet1.Relations("CustomerOrders")

    ' Get the child columns.
    Dim childArray() As DataColumn = relation.ChildColumns

    ' Print the ColumnName of each column.
    Dim i As Integer
    For i = 0 to childArray.GetUpperBound(0)
       Debug.Write(childArray(i).ColumnName)
    Next i
End Sub

适用于

另请参阅