本文整理汇总了VB.NET中System.Web.UI.WebControls.DataControlField.ExtractValuesFromCell方法的典型用法代码示例。如果您正苦于以下问题：VB.NET DataControlField.ExtractValuesFromCell方法的具体用法？VB.NET DataControlField.ExtractValuesFromCell怎么用？VB.NET DataControlField.ExtractValuesFromCell使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Web.UI.WebControls.DataControlField的用法示例。
在下文中一共展示了DataControlField.ExtractValuesFromCell方法的1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: ExtractValuesFromCell
' This method is called by the ExtractRowValues methods of
' GridView and DetailsView. Retrieve the current value of the
' cell from the Checked state of the Radio button.
Public Overrides Sub ExtractValuesFromCell( _
ByVal dictionary As IOrderedDictionary, _
ByVal cell As DataControlFieldCell, _
ByVal rowState As DataControlRowState, _
ByVal includeReadOnly As Boolean)
' Determine whether the cell contain a RadioButton
' in its Controls collection.
If cell.Controls.Count > 0 Then
Dim radio As RadioButton = CType(cell.Controls(0), RadioButton)
Dim checkedValue As Object = Nothing
If radio Is Nothing Then
' A RadioButton is expected, but a null is encountered.
' Add error handling.
Throw New InvalidOperationException( _
"RadioButtonField could not extract control.")
Else
checkedValue = radio.Checked
End If
' Add the value of the Checked attribute of the
' RadioButton to the dictionary.
If dictionary.Contains(DataField) Then
dictionary(DataField) = checkedValue
Else
dictionary.Add(DataField, checkedValue)
End If
End If
End Sub