asp.net web大文件上传带进度条实例代码

答案：
复制代码 代码如下:

using System; 
using System.Data; 
using System.Configuration; 
using System.Collections; 
using System.Web; 
using System.Web.Security; 
using System.Web.UI; 
using System.Web.UI.WebControls; 
using System.Web.UI.WebControls.WebParts; 
using System.Web.UI.HtmlControls; 
using System.IO; 
using System.Collections.Generic; 
using System.Web.Configuration; 

public partial class upload : System.Web.UI.Page 
{ 
protected void Page_Load(object sender, EventArgs e) 
{ 
try 
{ 
// Get the data 
HttpPostedFile jpeg_image_upload = Request.Files["Filedata"]; 

jpeg_image_upload.SaveAs(System.Web.HttpContext.Current.Server.MapPath("~/upload/") + jpeg_image_upload.FileName); 

Response.StatusCode = 200; 
Response.Write("文件处理完毕！"); 
} 
catch 
{ 
// If any kind of error occurs return a 500 Internal Server error 
Response.StatusCode = 500; 
Response.Write("未知错误！"); 
} 
finally 
{ 
// Clean up 
Response.End(); 
} 

} 
} 

打包源码下载http://www.zhaoxi.net/codes/6210.html

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