本文整理汇总了VB.NET中System.Windows.Controls.DataGrid.Columns属性的典型用法代码示例。如果您正苦于以下问题：VB.NET DataGrid.Columns属性的具体用法？VB.NET DataGrid.Columns怎么用？VB.NET DataGrid.Columns使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类System.Windows.Controls.DataGrid的用法示例。
在下文中一共展示了DataGrid.Columns属性的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: DataGridTextColumn
'Create a new column to add to the DataGrid
Dim textcol As New DataGridTextColumn()
'Create a Binding object to define the path to the DataGrid.ItemsSource property
'The column inherits its DataContext from the DataGrid, so you don't set the source
Dim b As New Binding("LastName")
'Set the properties on the new column
textcol.Binding = b
textcol.Header = "Last Name"
'Add the column to the DataGrid
DG2.Columns.Add(textcol)
End Sub示例2:
Private Sub Button_Click(ByVal sender As Object, ByVal e As RoutedEventArgs)
'Delete the first column whether visible or not
DG1.Columns.RemoveAt(0)
End Sub示例3: ObservableCollection
Private Sub DG1_AutoGeneratingColumn(ByVal sender As Object, ByVal e As DataGridAutoGeneratingColumnEventArgs)
'Set properties on the columns during auto-generation
Select Case e.Column.Header.ToString()
Case "LastName"
e.Column.CanUserSort = False
e.Column.Visibility = Visibility.Visible
Exit Select
Case "FirstName"
e.Column.Visibility = Visibility.Visible
Exit Select
Case "CompanyName"
e.Column.Visibility = Visibility.Visible
Exit Select
Case "EmailAddress"
e.Column.Visibility = Visibility.Visible
Exit Select
Case Else
e.Column.Visibility = Visibility.Collapsed
Exit Select
End Select
End Sub
Private Sub CheckBox_Checked(ByVal sender As Object, ByVal e As RoutedEventArgs)
'Make each column in the collection visible
For Each col As DataGridColumn In DG1.Columns
col.Visibility = Visibility.Visible
Next
End Sub
Private Sub CheckBox_Unchecked(ByVal sender As Object, ByVal e As RoutedEventArgs)
'Get the columns collection
Dim columns As ObservableCollection(Of DataGridColumn) = DG1.Columns
'set the visibility for each column so only 4 columns are visible
For Each col As DataGridColumn In columns
Select Case col.Header.ToString()
Case "LastName"
col.Visibility = Visibility.Visible
Exit Select
Case "FirstName"
col.Visibility = Visibility.Visible
Exit Select
Case "CompanyName"
col.Visibility = Visibility.Visible
Exit Select
Case "EmailAddress"
col.Visibility = Visibility.Visible
Exit Select
Case Else
col.Visibility = Visibility.Collapsed
Exit Select
End Select
Next
End Sub