ASPを実現する.NETマルチファイルアップロードプログラムコード

upload.aspx

 
  
 
  
 
  
 
  
 
  
 
  
 
  <br>function addFile() 
  <br>{ 
  <br>var str = '<INPUT type="file" size="50" NAME="File">' 
  <br>document.getElementById('MyFile').insertAdjacentHTML("beforeEnd",str) 
  <br>} 
  <br> 
  
 
  
 
  
 
  
 
  
マルチファイルアップロード
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
Width="500px" BorderStyle="None" BorderColor="White"> 
  
 
  
 
  
 
  
 
  
 
  
 
 

upload.aspx.cs

 
  
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 WebPortal 
  
{ 
  
/// 
 
  
/// UpLoad      。 
  
///         
  
/// 
 
  
public class Upload : System.Web.UI.Page 
  
{ 
  
protected System.Web.UI.WebControls.Button UploadButton; 
  
protected System.Web.UI.WebControls.Label strStatus; 
  
private void Page_Load(object sender, System.EventArgs e) 
  
{ 
  
///                 
  
if (this.IsPostBack) this.SaveImages(); 
  
} 
  
private Boolean SaveImages() 
  
{ 
  
///'  File     
  
HttpFileCollection files = HttpContext.Current.Request.Files; 
  
/// '     
  
System.Text.StringBuilder strMsg = new System.Text.StringBuilder(); 
  
strMsg.Append("        ：
"); 
  
try 
  
{ 
  
for(int iFile = 0; iFile < files.Count; iFile++) 
  
{ 
  
///'         
  
HttpPostedFile postedFile = files[iFile]; 
  
string fileName, fileExtension; 
  
fileName = System.IO.Path.GetFileName(postedFile.FileName); 
  
if (fileName != "") 
  
{ 
  
fileExtension = System.IO.Path.GetExtension(fileName); 
  
strMsg.Append("       ：" + postedFile.ContentType.ToString() + "
"); 
  
strMsg.Append("       ：" + postedFile.FileName + "
"); 
  
strMsg.Append("        ：" + fileName + "
"); 
  
strMsg.Append("        ：" + fileExtension + "
"); 
  
///'                    
  
///  ：                 。 
  
postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath("images/") + fileName); 
  
} 
  
} 
  
strStatus.Text = strMsg.ToString(); 
  
return true; 
  
} 
  
catch(System.Exception Ex) 
  
{ 
  
strStatus.Text = Ex.Message; 
  
return false; 
  
} 
  
} 
  
#region Web            
  
override protected void OnInit(EventArgs e) 
  
{ 
  
// 
  
// CODEGEN:      ASP.NET Web          。 
  
// 
  
InitializeComponent(); 
  
base.OnInit(e); 
  
} 
  
/// 
 
  
///            -             
  
///       。 
  
/// 
 
  
private void InitializeComponent() 
  
{ 
  
this.ID = "Upload"; 
  
this.Load += new System.EventHandler(this.Page_Load); 
  
} 
  
#endregion 
  
} 
  
}