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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

How to: Upload a File in Visual Basic

The My.Computer.Network.UploadFile Method can be used to upload a file and store it to a remote location. If the ShowUI parameter is set to True, a dialog box is displayed that shows the progress of the download and allows users to cancel the operation.

To upload a file

  • Use the UploadFile method to upload a file, specifying the source file's location and the target directory location as a string or URI (Uniform Resource Identifier).This example uploads the file Order.txt to http://www.cohowinery.com/uploads.aspx.

    My.Computer.Network.UploadFile( _
    "C:\My Documents\Order.txt", _
    "http://www.cohowinery.com/upload.aspx")
    

To upload a file and show the progress of the operation

  • Use the UploadFile method to upload a file, specifying the source file's location and the target directory location as a string or URI. This example uploads the file Order.txt to http://www.cohowinery.com/uploads.aspx without supplying a user name or password, shows the progress of the upload, and has a time-out interval of 500 milliseconds.

    My.Computer.Network.UploadFile( _
    "C:\My Documents\Order.txt", _
    "http://www.cohowinery.com/upload.aspx", "", "", True, 500)
    

To upload a file, supplying a user name and password

  • Use the UploadFile method to upload a file, specifying the source file's location and the target directory location as a string or URI, and specifying the user name and the password. This example uploads the file Order.txt to http://www.cohowinery.com/uploads.aspx, supplying the user name anonymous and a blank password.

    My.Computer.Network.UploadFile( _
    "C:\My Documents\Order.txt", _
    "http://www.cohowinery.com/upload.aspx", "anonymous", "")
    

The following conditions may throw an exception:

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