The expandata.net namespace contains types that allow Web server side processing of file uploads initiated by the web clients such as Internet Explorer. In addition it provides types to monitor upload progress using only the server side code as well as types to handle very large size uploads.

Classes

	Class	Description
	DNUpFilesBE	This class provides methods and properties to process a file upload sent by the client. It caches the uploaded files, creates the Files collection object and creates the Form collection object.
	DNFileBE	This class represents a single file in the collection of files acessed by the Files property of the DNUpFilesBE object.
	DNCollectionBE	This class represents the collection of Name/Value pairs acessed by the DBSchema property of the DNFileBE object.
	DNFileCollectionBE	This class represents the collection of files acessed by the Files property of the DNUpFilesBE object.
	DNFormElementCollectionBE	This class represents the collection of Form elements as sent by the client. It represents the Form property of the DNUpFilesBE object.
	DNFormElementBE	This class represents a single form element in the collection of elements accessed by the Form property of the DNUpFilesBE object.
	DNUpFilesProgressBE	This class provides methods and properties to calculate the progress of an upload.
	DNUpFilesAJAXProgressBE	This AJAX-based WebCotrol class provides methods and properties to calculate and display the progress of an upload using the AJAX asynchronous Client/Server communication technology.

Enumerations

	Enumeration	Description
	dnCancelButtonHolderHorizontalAlignEnum	Defines constants for a set of values used to position the Cancel Button within its parent element of the AJAX Progress Web Control DNUpFilesAJAXProgressBE.
	dnResultEnum	Defines constants for a set of results returned after processing an upload through a call to the ProcessRequest method of the DNUpFilesBE object.
	dnSaveResultsEnum	Defines constants for a set of results returned after calling the Save or SaveAs methods of the DNFileBE object.
	dnSaveLocationTypeEnum	Defines constants for specifying the final destination type of an uploaded file.
	dnContentEncodingEnum	Defines constants for specifying the type of Encoding used while reading the contents of an uploaded file as a text string.