button.cs

不错的人事管理系统

using System;

namespace System.Web.UI.WebControls
{
	/// <summary>
	/// Summary description for Button.
	/// </summary>
	public class Button : WebControl, System.Web.UI.IPostBackEventHandler
	{
		private static object EventClick;
		private static object EventCommand;

		static Button() 
		{
			Button.EventClick = new Object();
			Button.EventCommand = new Object();
		}

		public Button() : base(System.Web.UI.HtmlTextWriterTag.Input)
		{

		}

		protected override void AddAttributesToRender(System.Web.UI.HtmlTextWriter writer) 
		{
			if (this.Page != null)
			{
				this.Page.VerifyRenderingInServerForm(this);
			}

			writer.AddAttribute(System.Web.UI.HtmlTextWriterAttribute.Type, "submit");
			writer.AddAttribute(System.Web.UI.HtmlTextWriterAttribute.Name, this.UniqueID);
			writer.AddAttribute(System.Web.UI.HtmlTextWriterAttribute.Value, this.Text);
//			if (this.Page != null && this.CausesValidation && this.Page.Validators.Count > 0) 
//			{
//				writer.AddAttribute(System.Web.UI.HtmlTextWriterAttribute.Onclick, System.Web.UI.Util.GetClientValidateEvent(this.Page));
//				writer.AddAttribute("language", "javascript");
//			}

			base.AddAttributesToRender(writer);
		}

		protected virtual void OnClick(EventArgs e) 
		{
			EventHandler local0;

			local0 = (EventHandler) this.Events[Button.EventClick];
			if (local0 != null)
				local0.Invoke(this, e);
		}

		
		protected virtual void OnCommand(CommandEventArgs e) 
		{
			CommandEventHandler local0;

			local0 = (CommandEventHandler) this.Events[Button.EventCommand];
			if (local0 != null)
				local0(this, e);
			this.RaiseBubbleEvent(this, e);
		}

		protected override void RenderContents(System.Web.UI.HtmlTextWriter writer) 
		{
		}

		void System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(string eventArgument) 
		{
			if (this.CausesValidation)
				this.Page.Validate();
			this.OnClick(new EventArgs());
			this.OnCommand(new CommandEventArgs(this.CommandName, this.CommandArgument));
		}

		public bool CausesValidation
		{
			get
			{
				object local0;

				local0 = this.ViewState["CausesValidation"];
				if (local0 != null)
				{
					return (bool) local0;
				}
				return true;
			}
			set
			{
				this.ViewState["CausesValidation"] =  value;
			}
		}

		public string CommandArgument
		{
			get
			{
				string local0;

				local0 = (String) this.ViewState["CommandArgument"];
				if (local0 != null)
					return local0;
				return System.String.Empty;
			}
			set
			{
				this.ViewState["CommandArgument"] =  value;
			}
		}

		public string CommandName
		{
			get
			{
				string local0;

				local0 = (String) this.ViewState["CommandName"];
				if (local0 != null)
					return local0;
				return System.String.Empty;
			}
			set
			{
				this.ViewState["CommandName"] =  value;
			}
		}

		public string Text
		{
			get
			{
				string local0;

				local0 = (String) this.ViewState["Text"];
				if (local0 != null)
					return local0;
				return System.String.Empty;
			}
			set
			{
				this.ViewState["Text"] =  value;
			}
		}

		public event System.EventHandler Click
		{
			add
			{
				base.Events.AddHandler(EventClick,value);
			}
			remove
			{
				base.Events.RemoveHandler(EventClick,value);
			}
		}

		public event System.EventHandler Command
		{
			add
			{
				base.Events.AddHandler(EventCommand,value);
			}
			remove
			{
				base.Events.RemoveHandler(EventCommand,value);
			}
		}
	}
}