funcationexample.aspx.cs

ASP.NET的一些开发实例,有论坛管理系统等

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace aspnet.chapter04
{
	/// <summary>
	/// FuncationExample 的摘要说明。
	/// </summary>
	public class FuncationExample : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.WebControls.Label Label1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			this.Response.Write(this.PlusString("Funcation","Example"));
		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Button2.Click += new System.EventHandler(this.Button2_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
		public string PlusString(string str1,string str2)
		{
			return str1+str2;
		}

		private void Button1_Click(object sender, System.EventArgs e)
		{
			switch(this.TextBox1.Text)
			{
				case "0":
					this.Label1.Text="红色";
					this.Label1.BackColor=System.Drawing.Color.Red;
					break;
				case "1":
					this.Label1.Text="黄色";
					this.Label1.BackColor=System.Drawing.Color.Yellow;
					break;
				default:
					this.Label1.Text="黑色";
					this.Label1.BackColor=System.Drawing.Color.Black;
					break;
			}
			
		}

		private void Button2_Click(object sender, System.EventArgs e)
		{
//			string[] ss={"A","B","C","D"};
//			string s=string.Empty;
//			for(int i=0;i<ss.Length;i++)
//			{
//				s+=ss[i];
//			}
//			this.Label1.Text=s;
			string[] ss={"A","B","C","D"};
			string s=string.Empty;
			foreach(string str in ss)
			{
				s+=str;
			}
			this.Label1.Text=s;
			try
			{
				//程序块
			}
			catch(Exception ex)
			{
				//错误处理块
				string str=ex.Message;
			}
			finally
			{
				//必须执行的代码块
			}
		}

	}
}