HtmlTextWriter.GetStyleName(HtmlTextWriterStyle) 方法

protected:
 System::String ^ GetStyleName(System::Web::UI::HtmlTextWriterStyle styleKey);

protected string GetStyleName(System.Web.UI.HtmlTextWriterStyle styleKey);

member this.GetStyleName : System.Web.UI.HtmlTextWriterStyle -> string

Protected Function GetStyleName (styleKey As HtmlTextWriterStyle) As String

參數

傳回

與列舉值HtmlTextWriterStyle相關的styleKey樣式屬性名稱。

範例

以下程式碼範例說明如何檢查元素是否 <label> 正在被渲染。 如果是這樣，它會檢查元素上是否 Color 定義了樣式屬性。 若未定義屬性，AddStyleAttribute則呼叫該方法，GetStyleName並將列舉成員轉換為Color其字串表示以傳遞給方法。AddStyleAttribute

// If the markup element being rendered is a Label,
// render the opening tag of a <Font> element before it.
if ( tagKey == HtmlTextWriterTag::Label )
{
   
   // Check whether a Color style attribute is
   // included on the Label. If not, use the
   // AddStyleAttribute and GetStyleName methods to add one
   // and set its value to red.
   if (  !IsStyleAttributeDefined( HtmlTextWriterStyle::Color ) )
   {
      AddStyleAttribute( GetStyleName( HtmlTextWriterStyle::Color ), "red" );
   }

// If the markup element being rendered is a Label,
// render the opening tag of a Font element before it.
if (tagKey == HtmlTextWriterTag.Label)
{
    // Check whether a Color style attribute is 
    // included on the Label. If not, use the
    // AddStyleAttribute and GetStyleName methods to add one
    // and set its value to red.
    if (!IsStyleAttributeDefined(HtmlTextWriterStyle.Color))
    {
        AddStyleAttribute(GetStyleName(HtmlTextWriterStyle.Color), "red");
    }

' If the markup element being rendered is a Label,
' render the opening tag of a Font element before it.
If tagKey = HtmlTextWriterTag.Label Then
    ' Check whether a Color style attribute is 
    ' included on the Label. If not, use the
    ' AddStyleAttribute and GetStyleName methods to add one
    ' and set its value to red.
    If Not IsStyleAttributeDefined(HtmlTextWriterStyle.Color) Then
        AddStyleAttribute(GetStyleName(HtmlTextWriterStyle.Color), "red")
    End If

備註

若 styleKey 不是有效 HtmlTextWriterStyle 物件， GetStyleName 該方法會回傳一個空字串（“”）。

另請參閱

• TextWriter
• HtmlTextWriterStyle
• AddStyleAttribute