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VB.NET DetailsViewDesigner.GetDesignTimeHtml方法代碼示例

本文整理匯總了VB.NET中System.Web.UI.Design.WebControls.DetailsViewDesigner.GetDesignTimeHtml方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET DetailsViewDesigner.GetDesignTimeHtml方法的具體用法?VB.NET DetailsViewDesigner.GetDesignTimeHtml怎麽用?VB.NET DetailsViewDesigner.GetDesignTimeHtml使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在System.Web.UI.Design.WebControls.DetailsViewDesigner的用法示例。


在下文中一共展示了DetailsViewDesigner.GetDesignTimeHtml方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。

示例1: GetDesignTimeHtml

' Generate the design-time markup.
Private Const capTag As String = "caption"
Private Const trOpen As String = "tr><td colspan=2 align=center"
Private Const trClose As String = "td></tr"

Public Overrides Function GetDesignTimeHtml() As String

    ' Make the full extent of the control more visible in the designer.
    ' If the border style is None or NotSet, change the border to
    ' a wide, blue, dashed line. Include the caption within the border.
    Dim myDV As MyDetailsView = CType(Component, MyDetailsView)
    Dim markup As String = Nothing
    Dim charX As Integer

    ' Check if the border style should be changed.
    If (myDV.BorderStyle = BorderStyle.NotSet Or _
        myDV.BorderStyle = BorderStyle.None) Then

        Dim oldBorderStyle As BorderStyle = myDV.BorderStyle
        Dim oldBorderWidth As Unit = myDV.BorderWidth
        Dim oldBorderColor As Color = myDV.BorderColor

        ' Set design-time properties and catch any exceptions.
        Try
            myDV.BorderStyle = BorderStyle.Dashed
            myDV.BorderWidth = Unit.Pixel(3)
            myDV.BorderColor = Color.Blue

            ' Call the base method to generate the markup.
            markup = MyBase.GetDesignTimeHtml()

        Catch ex As Exception
            markup = GetErrorDesignTimeHtml(ex)

        Finally
            ' Restore the properties to their original settings.
            myDV.BorderStyle = oldBorderStyle
            myDV.BorderWidth = oldBorderWidth
            myDV.BorderColor = oldBorderColor
        End Try

    Else
        ' Call the base method to generate the markup.
        markup = MyBase.GetDesignTimeHtml()
    End If

    ' Look for a <caption> tag.
    charX = markup.IndexOf(capTag)
    If charX > 0 Then

        ' Replace the first caption with 
        ' "tr><td colspan=2 align=center".
        markup = markup.Remove(charX, _
            capTag.Length).Insert(charX, trOpen)

        ' Replace the second caption with "td></tr".
        charX = markup.IndexOf(capTag, charX)
        If charX > 0 Then
            markup = markup.Remove(charX, _
                capTag.Length).Insert(charX, trClose)
        End If
    End If

    Return markup

End Function ' GetDesignTimeHtml
開發者ID:VB.NET開發者,項目名稱:System.Web.UI.Design.WebControls,代碼行數:66,代碼來源:DetailsViewDesigner.GetDesignTimeHtml


注:本文中的System.Web.UI.Design.WebControls.DetailsViewDesigner.GetDesignTimeHtml方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。