Επεξεργασία

Κοινή χρήση μέσω


DataGridParentRowsLabelStyle Enum

Definition

Specifies how the parent row labels of a DataGrid control are displayed.

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

Fields

Name Value Description
None 0

Display no parent row labels.

TableName 1

Displays the parent table name.

ColumnName 2

Displays the parent column name.

Both 3

Displays both the parent table and column names.

Examples

The 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

Remarks

Use the members of this enumeration to set the value of the ParentRowsLabelStyle property.

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.

Applies to

See also