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  1. public partial class WebForm1 : System.Web.UI.Page
  2.     {
  3.         const string defaultPath = @"C:\files";
  4.         private static string fileName = String.Empty;
  5.  
  6.         protected void Page_Load(object sender, EventArgs e)
  7.         {
  8.             this.AsyncFileUpload.UploadedComplete += new EventHandler<AjaxControlToolkit.AsyncFileUploadEventArgs>(AsyncFileUpload_UploadedComplete);
  9.  
  10.             if (Page.IsPostBack)
  11.             {
  12.                 CheckStatus();
  13.             }
  14.         }
  15.  
  16.         void AsyncFileUpload_UploadedComplete(object sender, AjaxControlToolkit.AsyncFileUploadEventArgs e)
  17.         {
  18.             switch (e.State)
  19.             {
  20.                 case AjaxControlToolkit.AsyncFileUploadState.Success:
  21.                     SaveUploadedFile(ref e);
  22.                     break;
  23.                 case AjaxControlToolkit.AsyncFileUploadState.Failed:
  24.                     SetErrorOnLabel();
  25.                     break;
  26.                 case AjaxControlToolkit.AsyncFileUploadState.Unknown:
  27.                     SetErrorOnLabel();
  28.                     break;
  29.             }
  30.         }
  31.  
  32.         void SaveUploadedFile(ref AjaxControlToolkit.AsyncFileUploadEventArgs e)
  33.         {
  34.             fileName = Guid.NewGuid().ToString() + e.FileName;
  35.             this.AsyncFileUpload.SaveAs(defaultPath + fileName);
  36.         }
  37.  
  38.         void SetErrorOnLabel()
  39.         {
  40.             this.mainLabel.Text = "Error";
  41.         }
  42.  
  43.         void CheckStatus()
  44.         {
  45.             bool doesExist = System.IO.File.Exists(defaultPath + fileName);
  46.             if (doesExist) this.mainLabel.Text = fileName + @" has been uploaded to the " + defaultPath + fileName;
  47.             else this.mainLabel.Text = "Error";
  48.         }
  49.     }
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https://ideone.com/aU9sQ3
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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