AsyncFileUpload Description:
AsyncFileUpload is an ASP.NET AJAX Control that allows you asynchronously upload files to server. The file uploading results can be checked both in the server and client sides.
You can save the uploaded file by calling the SaveAs() method in a handler for the server UploadedComplete event.
AsyncFileUpload Events, Properties and Methods:
The control above is initialized with this code. The italic properties are optional:
<ajaxToolkit:AsyncFileUpload OnClientUploadError="uploadError"
OnClientUploadComplete="uploadComplete" runat="server"
ID="AsyncFileUpload1" Width="400px" UploaderStyle="Modern"
UploadingBackColor="#CCFFFF" ThrobberID="myThrobber"
/>
Events
UploadedComplete - Fired on the server side when the file successfully uploaded
UploadedFileError - Fired on the server side when the uloaded file is corrupted
Properties
CompleteBackColor - The control's background color on upload complete. Default value - 'Lime'.
ContentType - Gets the MIME content type of a file sent by a client.
ErrorBackColor - The control's background color on upload error. Default value - 'Red'.
FileContent - Gets a Stream object that points to an uploaded file to prepare for reading the contents of the file.
FileName - Gets the name of a file on a client to upload using the control.
HasFile - Gets a bool value indicating whether the control contains a file.
OnClientUploadComplete - The name of a javascript function executed in the client-side after the file successfully uploaded
OnClientUploadError - The name of a javascript function executed in the client-side if the file uploading failed
OnClientUploadStarted - The name of a javascript function executed in the client-side on the file uploading started
PostedFile - Gets a HttpPostedFile object that provides access to the uploaded file.
ThrobberID - ID of control that is shown while the file is uploading.
UploaderStyle - The control's appearance style (Traditional, Modern). Default value - 'Traditional'.
UploadingBackColor - The control's background color when uploading is in progress. Default value - 'White'.
Width - The control's width (Unit). Default value - '355px'.
Methods
SaveAs(string filename) - Saves the contents of an uploaded file.
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