htmlcontainercontrol.cs

不错的人事管理系统

using System;
using System.Web.UI;

namespace System.Web.UI.HtmlControls
{
	/// <summary>
	/// Summary description for HtmlContainerControl.
	/// </summary>
	public abstract class HtmlContainerControl : HtmlControl
	{

		public HtmlContainerControl() 
		{
//			this = new System.Web.UI.HtmlControls.HtmlContainerControl("span");
		}

		public HtmlContainerControl(string tag) : base(tag) 
		{
		}

		protected virtual ControlCollection CreateControlCollection() 
		{
			return new ControlCollection(this);
		}

		protected virtual void LoadViewState(object savedState) 
		{
			string local0;

			if (savedState != null) 
			{
				this.LoadViewState(savedState);
				local0 = (String) this.ViewState["innerhtml"];
				if (local0 != null)
					this.InnerHtml = local0;
			}
		}

		protected virtual void Render(HtmlTextWriter writer) 
		{
			this.RenderBeginTag(writer);
			this.RenderChildren(writer);
			this.RenderEndTag(writer);
		}

		protected virtual void RenderAttributes(HtmlTextWriter writer) 
		{
			this.ViewState.Remove("innerhtml");
			this.RenderAttributes(writer);
		}

		protected virtual void RenderEndTag(HtmlTextWriter writer) 
		{
			writer.WriteEndTag(this.TagName);
		}

		public virtual string InnerHtml 
		{
			get
			{
				if (this.IsLiteralContent())
				{
//					return (LiteralControl) this.Controls[0].Text;
				}
				if (this.HasControls() && this.Controls.Count == 1 && this.Controls[0] as DataBoundLiteralControl != null)
				{
//					return (DataBoundLiteralControl) this.Controls[0].Text;
				}
				if (this.Controls.Count == 0)
					return System.String.Empty;
				throw new HttpException(System.Web.HttpRuntime.FormatResourceString("Inner_Content_not_literal", this.ID));
			}
			set
			{
				this.Controls.Clear();
				this.Controls.Add(new LiteralControl(value));
				this.ViewState["innerhtml"]= value;
			}
		}

		public virtual string InnerText 
		{
			get
			{
				return System.Web.HttpUtility.HtmlDecode(this.InnerHtml);
			}
			set
			{
				this.InnerHtml = System.Web.HttpUtility.HtmlEncode(value);
			}
		}
	}
}