DataGridParentRowsLabelStyle DataGridParentRowsLabelStyle DataGridParentRowsLabelStyle DataGridParentRowsLabelStyle Enum

定义

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
继承
DataGridParentRowsLabelStyleDataGridParentRowsLabelStyleDataGridParentRowsLabelStyleDataGridParentRowsLabelStyle

字段

Both Both Both Both 3

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

ColumnName ColumnName ColumnName ColumnName 2

显示父列名。Displays the parent column name.

None None None None 0

不显示父行标签。Display no parent row labels.

TableName TableName TableName TableName 1

显示父表名。Displays the parent table name.

示例

下面的示例循环访问的可能值的每个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.
   currentLabelStyle+=1
End Sub

注解

使用此枚举的成员的值设置ParentRowsLabelStyle属性。Use the members of this enumeration to set the value of the ParentRowsLabelStyle property.

可以显示父行,仅当DataGrid至少包含一个DataRelation第二个DataTable,并且如果AllowNavigation属性设置为一个值,使导航。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.

适用于

另请参阅