C# HtmlTextWriter.WriteEndTag方法代码示例

 private void RenderSiteMapNode(HtmlTextWriter writer, SiteMapPath path, SiteMapNode node)
 {
     writer.WriteBeginTag("a");
     if(node.Url != "")
         writer.WriteAttribute("href", node.Url);
     if (node.Description != "")
         writer.WriteAttribute("title", node.Description);
     writer.Write(HtmlTextWriter.TagRightChar);
     writer.Write(node.Title);
     writer.WriteEndTag("a");
 }

    private void RenderNodes(HtmlTextWriter writer, TreeNodeCollection children)
    {
        writer.Indent++;
        foreach (TreeNode subnode in children)
        {
            writer.WriteLine();
            writer.WriteBeginTag("li");
            writer.Write(HtmlTextWriter.TagRightChar);

            if (subnode.NavigateUrl != null)
            {
                writer.WriteBeginTag("a");
                if(subnode.NavigateUrl != "")
                    writer.WriteAttribute("href", subnode.NavigateUrl);
                if(subnode.ToolTip != "")
                    writer.WriteAttribute("title", subnode.ToolTip);
                writer.Write(">");
                writer.Write(subnode.Text);
                writer.WriteEndTag("a");
            }

            writer.WriteEndTag("li");

            if (subnode.ChildNodes.Count != 0)
            {
                writer.WriteLine();
                writer.WriteBeginTag("ul");
                writer.WriteAttribute("class", "TreeViewSubmenu");
                writer.Write(HtmlTextWriter.TagRightChar);
                RenderNodes(writer, subnode.ChildNodes);
                writer.WriteEndTag("ul");
            }
        }
        writer.Indent--;
        writer.WriteLine();
    }

		protected override void RenderEndTag (HtmlTextWriter writer)
		{
			if (Count == 0)
				writer.WriteLine ();
			writer.WriteEndTag (TagName);
			if (writer.Indent == 0)
				writer.WriteLine ();
		}

		override void RenderChildren (HtmlTextWriter w)
		{
			base.RenderChildren (w);

			if (items == null) {
				return;
			}
			
			w.WriteLine ();

			bool done_sel = false;
			
			int count = items.Count;
			for (int i = 0; i < count; i++) {
				ListItem item = items[i];
				w.Indent++;
				
				/* Write the <option> elements this
				 * way so that the output HTML matches
				 * the ms version (can't make
				 * HtmlTextWriterTag.Option an inline
				 * element, cos that breaks other
				 * stuff.)
				 */
				w.WriteBeginTag ("option");
				if (item.Selected && !done_sel) {

					w.WriteAttribute ("selected", "selected");

					if (!Multiple) {
						done_sel = true;
					}
				}
				
				w.WriteAttribute ("value", item.Value, true);
				w.Write (HtmlTextWriter.TagRightChar);
				
				w.Write (HttpUtility.HtmlEncode(item.Text));
				w.WriteEndTag ("option");
				w.WriteLine ();

				w.Indent--;
			}
		}

        /// <include file='doc\WmlPageAdapter.uex' path='docs/doc[@for="WmlPageAdapter.HandleError"]/*' />
        public virtual bool HandleError(Exception e, HtmlTextWriter writer)
        {
            WmlMobileTextWriter wmlWriter = (WmlMobileTextWriter)writer;

            bool renderBackButton = Device.NumberOfSoftkeys > 2 && !Device.HasBackButton;

            //  set mime type, in case init() has not been called yet
            Page.Response.ContentType = _contentType;

            Exception ex;
            if ((e is HttpException && e.InnerException != null) || 
                (e is System.Reflection.TargetInvocationException && e.InnerException != null))
            {
                ex = e.InnerException;
            }
            else
            {
                ex = e;
            }

            if (RequiresUTF8ContentEncoding())
            {
                Page.Response.ContentEncoding = UTF8Encoding;
            }

            wmlWriter.BeginResponse();
            wmlWriter.BeginFile(Page.Request.Url.ToString(), _contentType, Page.Response.Charset);

            RenderXmlHeader(writer);

            // First card.

            writer.WriteFullBeginTag("wml");

            if (Device.SupportsCacheControlMetaTag)
            {
                writer.Write(_cacheExpiry);
            }
            else
            {
                Page.Response.AppendHeader("Cache-Control", "max-age=0");
            }

            writer.WriteFullBeginTag("card");

            writer.WriteFullBeginTag("p");
            writer.WriteFullBeginTag("big");
            writer.WriteFullBeginTag("b");
            wmlWriter.WriteEncodedText(SR.GetString(SR.WmlPageAdapterServerError,
                                       HttpRuntime.AppDomainAppVirtualPath));
            writer.WriteEndTag("b");
            writer.WriteEndTag("big");
            writer.WriteEndTag("p");

            writer.WriteFullBeginTag("p");
            writer.Write("<do type=\"accept\" label=\"");
            writer.Write(GetDefaultLabel(MoreLabel));
            writer.Write("\"><go href=\"#more\" /></do>");
            if (renderBackButton)
            {
                writer.Write("<do type=\"prev\" label=\"");
                writer.Write(GetDefaultLabel(BackLabel));
                writer.WriteLine("\"><prev /></do>");
            }
            wmlWriter.WriteEncodedText(ex.GetType().ToString());
            writer.Write("<br />");
            wmlWriter.WriteEncodedText(ex.Message);
            writer.Write("<br />");
            wmlWriter.WriteEncodedText(SR.GetString(SR.WmlPageAdapterMethod));
            if (ex.TargetSite != null) {
                wmlWriter.WriteEncodedText(ex.TargetSite.Name);
            }
            writer.Write("<br />");
            writer.WriteEndTag("p");

            writer.WriteEndTag("card");

            // Stack trace card.

            writer.Write("<card id=\"more\">");
            writer.Write("<p mode=\"nowrap\">");

            if (renderBackButton)
            {
                writer.Write("<do type=\"prev\" label=\"");
                wmlWriter.WriteEncodedText(GetDefaultLabel(BackLabel));
                writer.WriteLine("\"><prev /></do>");
            }

            String stackTrace = ex.StackTrace;
            if (stackTrace != null) {
                int maximumStackTrace = OptimumPageWeight / 2;
                if (stackTrace.Length > maximumStackTrace)
                {
                    wmlWriter.WriteEncodedText(SR.GetString(SR.WmlPageAdapterStackTrace));
                    writer.Write("<br />");
                    stackTrace = stackTrace.Substring(0, maximumStackTrace);
                }
                else
//.........这里部分代码省略.........

		protected internal override void RenderContents (HtmlTextWriter writer)
		{
			bool selected = false;
			Page page = Page;
			for (int i = 0; i < Items.Count; i++) {
				ListItem item = Items [i];
				if (page != null)
					page.ClientScript.RegisterForEventValidation (UniqueID, item.Value);
				writer.WriteBeginTag ("option");
				if (item.Selected) {
					if (selected)
						VerifyMultiSelect ();
					writer.WriteAttribute ("selected", "selected", false);
					selected = true;
				}
				writer.WriteAttribute ("value", item.Value, true);

				if (item.HasAttributes)
					item.Attributes.Render (writer);

				writer.Write (">");
				string encoded = HttpUtility.HtmlEncode (item.Text);
				writer.Write (encoded);
				writer.WriteEndTag ("option");
				writer.WriteLine ();
			}
		}

 protected override void Render(HtmlTextWriter writer)
 {
     // Render control as a div with ID (to ensure IPostBackEventHandler works in UpdatePanel)
     writer.WriteBeginTag("div");
     writer.WriteAttribute("id", ClientID);
     writer.Write(HtmlTextWriter.TagRightChar);
     base.Render(writer);
     writer.WriteEndTag("div");
 }

 protected override void RenderEndTag(HtmlTextWriter writer)
 {
     writer.WriteEndTag("ul");
 }

        private void RenderListItem(ListItem item, HtmlTextWriter writer)
        {
            writer.WriteBeginTag("option");
            writer.WriteAttribute("value", item.Value, true);

            if (item.Selected)
            {
                writer.WriteAttribute("selected", "selected", false);
            }

            foreach (string key in item.Attributes.Keys)
            {
                writer.WriteAttribute(key, item.Attributes[key]);
            }

            writer.Write(HtmlTextWriter.TagRightChar);
            HttpUtility.HtmlEncode(item.Text, writer);
            writer.WriteEndTag("option");
            writer.WriteLine();
        }

 private void RenderOptionGroupEndTag(HtmlTextWriter writer)
 {
     writer.WriteEndTag("optgroup");
     writer.WriteLine();
 }

		protected override void RenderEndTag (HtmlTextWriter writer)
		{
			writer.WriteLine ();
			writer.WriteEndTag (TagName);
			writer.WriteLine ();
		}

    private void WriteOptions(HtmlTextWriter writer, List<GroupedListItem> groupedListItems)
    {
        foreach (GroupedListItem gli in groupedListItems) {
            writer.WriteBeginTag("option");
            writer.WriteAttribute("value", GetReferenceKey(gli)); // writer.WriteAttribute("value", gli.Value);
            if (!gli.Enabled)
                writer.WriteAttribute("disabled", "disabled");

            if (gli.Selected)
                writer.WriteAttribute("selected", "selected");
            writer.Write(HtmlTextWriter.TagRightChar);
            writer.Write(gli.Text);
            writer.WriteEndTag("option");
        }
    }

    protected override void Render(HtmlTextWriter writer)
    {
        List<GroupedListItem> groupedListItems;

        writer.WriteBeginTag("select");
        writer.WriteAttribute("id", this.ClientID);
        writer.WriteAttribute("name", this.UniqueID);
        if (ChangeCausesPostback)
            writer.WriteAttribute("onchange", "document.forms[0].submit();");
        if (ClassName.Length > 0)
            writer.WriteAttribute("class", ClassName);
        writer.Write(HtmlTextWriter.TagRightChar);

        if (DataReady) {
            if (_grouplessItems != null && _grouplessItems.Count > 0)
                WriteOptions(writer, _grouplessItems);

            foreach (string groupName in _optionGroups.Keys) {
                writer.WriteBeginTag("optgroup");
                writer.WriteAttribute("label", groupName);
                writer.Write(HtmlTextWriter.TagRightChar);
                if (_optionGroups.TryGetValue(groupName, out groupedListItems)) {
                    WriteOptions(writer, groupedListItems);
                }
                writer.WriteEndTag("optgroup");
            }
        }

        writer.WriteEndTag("select");
    }

 //[Match("match with ListBox RenderContents")]
 /// <summary>
 /// Renders the contents.
 /// </summary>
 /// <param name="w">The w.</param>
 protected override void RenderContents(HtmlTextWriter w)
 {
     var itemHash = Items;
     var itemCount = itemHash.Count;
     if (itemCount > 0)
     {
         var isA = false;
         for (int itemKey = 0; itemKey < itemCount; itemKey++)
         {
             var listItem = itemHash[itemKey];
             if (listItem.Enabled)
                 switch (listItem.Attributes["group"])
                 {
                     case "begin":
                         w.WriteBeginTag("optgroup");
                         w.WriteAttribute("label", listItem.Text);
                         w.Write('>');
                         break;
                     case "end":
                         w.WriteEndTag("optgroup");
                         break;
                     default:
                         w.WriteBeginTag("option");
                         if (listItem.Selected)
                         {
                             if (isA)
                                 VerifyMultiSelect();
                             isA = true;
                             w.WriteAttribute("selected", "selected");
                         }
                         w.WriteAttribute("value", listItem.Value, true);
                         if (listItem.Attributes.Count > 0)
                             listItem.Attributes.Render(w);
                         if (Page != null)
                             Page.ClientScript.RegisterForEventValidation(UniqueID, listItem.Value);
                         w.Write('>');
                         HttpUtility.HtmlEncode(listItem.Text, w);
                         w.WriteEndTag("option");
                         w.WriteLine();
                         break;
                 }
         }
     }
 }

 /// <devdoc>
 /// <para>[To be supplied.]</para>
 /// </devdoc>
 public virtual void RenderEndHyperlink(HtmlTextWriter writer) {
     writer.WriteEndTag("a");
 }