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A Demo Application

This section describes a demo application that accepts user uploads. Figure 2 shows the application. You can test the demo application at http://www.aspnet-solutions.com/UploadTest/WebForm1.aspx.

Figure 2Figure 2 This application takes a user-specified file and shows information about it.

Listings 1–2 show the code that places the file information into the user interface. Listing 1 shows the C# code; Listing 2 shows the VB code.

Listing 1—C# Code for Placing File Information into a User Interface Label Object

private void DoIt_Click(object sender, System.EventArgs e)
{
 FileInfo.Text =
  "File name: " + Filename.PostedFile.FileName + "<br>\r\n" +
  "File size: " + Filename.PostedFile.ContentLength + "<br>\r\n" +
  "File type: " + Filename.PostedFile.ContentType;
}

Listing 2—VB code for Placing File Information into a User Interface Label Object

Private Sub DoIt_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DoIt.Click
  FileInfo.Text = _
   "File name: " + Filename.PostedFile.FileName + "<br>" + vbCrLf + _
   "File size: " + Filename.PostedFile.ContentLength + "<br>" + vbCrLf + _
   "File type: " + Filename.PostedFile.ContentType
End Sub

The C# and VB projects can be downloaded from http://www.aspnet-solutions.com/InformITArticles/LeineckerArticle003_Projects.zip.

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