DataGridParentRowsLabelStyle 枚举


指定 DataGrid 控件的父行标签的显示方式。Specifies how the parent row labels of a DataGrid control are displayed.

public enum class DataGridParentRowsLabelStyle
public enum DataGridParentRowsLabelStyle
type DataGridParentRowsLabelStyle = 
Public Enum DataGridParentRowsLabelStyle


Both 3

显示父表名和列名。Displays both the parent table and column names.

ColumnName 2

显示父列名。Displays the parent column name.

None 0

不显示父行标签。Display no parent row labels.

TableName 1

显示父表名。Displays the parent table name.


下面的示例循环访问的每个可能值 DataGridParentRowsLabelStyleThe following example iterates through each of the possible values for the DataGridParentRowsLabelStyle.

Private Sub ChangeParentRowLabels(ByVal myGrid As DataGrid)
   Static currentLabelStyle As Integer
   If currentLabelStyle = 4 Then currentLabelStyle = 0
   Select Case currentLabelStyle
   Case 0 
      myGrid.ParentRowsLabelStyle = DataGridParentRowsLabelStyle.None
   Case 1
      myGrid.ParentRowsLabelStyle = DataGridParentRowsLabelStyle.TableName
   Case 2
      myGrid.ParentRowsLabelStyle = DataGridParentRowsLabelStyle.ColumnName
   Case 3
      myGrid.ParentRowsLabelStyle = DataGridParentRowsLabelStyle.Both
   Case Else
      myGrid.ParentRowsLabelStyle = DataGridParentRowsLabelStyle.Both
   End Select

   ' Increment the variable.
End Sub


使用此枚举的成员可设置属性的值 ParentRowsLabelStyleUse the members of this enumeration to set the value of the ParentRowsLabelStyle property.

仅当 DataGrid 至少包含一 DataRelation 到一秒的 DataTable 值,并且 AllowNavigation 属性设置为允许导航的值时,才可以显示父行。Parent rows can be displayed only if the DataGrid contains at least one DataRelation to a second DataTable, and if the AllowNavigation property is set to a value that allows navigation.