File Upload

Posted Date: 03 Jan 2009	Resource Type: Code Snippets	Category: C# Syntax
Author: Nikhil Agarwal	Member Level: Gold
Rating:	Points: 5

A typical HTML and C# code sample that uses the old HtmlInputFile control to upload a file.
please find code in attachment file
void btnSave_Click(object sender, EventArgs e)
{
// Other validation code

if (ctlFile.PostedFile.FileName == "")
// display some sort of error
else
ctlFile.PostedFile.SaveAs("C:\\Inetpub\\wwwroot\\
somefilename.dat");

// Other code to handle save routine
}

The new FileUpload control replaces the old control very easily. The new HTML looks like this:
please find code in attachment file
You can use the new HasFile property of the control to indicate whether the user had selected a file to upload. This simplifies the validation code a bit, as shown here:


void btnSave_Click(object sender, EventArgs e)
{
   // Other validation code

   if (!ctlFile.HasFile)
      // display some sort of error
   else
      ctlFile.PostedFile.SaveAs("C:\\Inetpub\\wwwroot\\
                                     somefilename.dat");

   // Other code to handle save routine
}

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