showpicture.aspx.cs

一个不错的asp.net网站

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;
using MisPersonnel.Components;
using System.Data.SqlClient;

namespace MisPersonnel.DesktopModules.Picture
{
	/// <summary>
	/// ShowPicture 的摘要说明。
	/// </summary>
	public class ShowPicture : System.Web.UI.Page
	{
		private void Page_Load(object sender, System.EventArgs e)
		{   
			///获取照片ID值
			if(Request.Params["PictureID"] != null)
			{
				///获取显示照片的数据
				MisPersonnel.Components.Picture picture = new MisPersonnel.Components.Picture();
				SqlDataReader recp = picture.GetSinglePicture(Int32.Parse(Request.Params["PictureID"].ToString()));
			 
				byte[] PictureData = null;

				while(recp.Read())
				{   ///读取照片数据
					PictureData = (byte[])recp["PicData"];
					///设置页面输出类型
					Response.ContentType = recp["PicType"].ToString();
				}
				recp.Close();

				//显示图片数据
				this.EnableViewState = false;

				Response.AppendHeader("Content-Length",PictureData.Length.ToString());			

				Response.BinaryWrite(PictureData);
				Response.End();		
			}
		}

		#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.Load += new System.EventHandler(this.Page_Load);
		}
		#endregion
	}
}