HtmlTextWriter.GetTagKey(String) 方法

protected:
 virtual System::Web::UI::HtmlTextWriterTag GetTagKey(System::String ^ tagName);

protected virtual System.Web.UI.HtmlTextWriterTag GetTagKey (string tagName);

abstract member GetTagKey : string -> System.Web.UI.HtmlTextWriterTag
override this.GetTagKey : string -> System.Web.UI.HtmlTextWriterTag

Protected Overridable Function GetTagKey (tagName As String) As HtmlTextWriterTag

参数

返回

HtmlTextWriterTag

HtmlTextWriterTag 枚举值；否则，如果 tagName 不与特定的 HtmlTextWriterTag 值关联，则为 Unknown。

示例

下面的代码示例演示如何重写采用字符串作为其参数的方法的 RenderBeginTag 重载。 字符串将传递给 GetTagKey 方法，该方法将其转换为相应的 HtmlTextWriterTag 枚举成员，然后将该 RenderBeginTag 字符串传递给将枚举值作为参数的重载 HtmlTextWriterTag 。

virtual void RenderBeginTag( String^ tagName ) override
{
   
   // Call the overloaded RenderBeginTag(HtmlTextWriterTag) method.
   RenderBeginTag( GetTagKey( tagName ) );
}

public override void RenderBeginTag(string tagName)
{
    // Call the overloaded RenderBeginTag(HtmlTextWriterTag)
    // method.
    RenderBeginTag(GetTagKey(tagName));
}

Public Overloads Overrides Sub RenderBeginTag(ByVal tagName As String)
    ' Call the overloaded RenderBeginTag(HtmlTextWriterTag) method.
    RenderBeginTag(GetTagKey(tagName))
End Sub

注解

如果 tagName 为 null空字符串 (“”) ，或者无法在标记标记名称表中找到，该方法 GetTagKey 将 Unknown 返回该字段。

适用于

另请参阅

• TextWriter
• HtmlTextWriterTag