Server-Side Programming Overview

This article provides a list and detailed description of the properties and methods that you can use with the RadAsyncUpload control. For the full list visit the RadAsyncUpload class article.

Properties

Name	Type	Description
AccessKey	string	Sets or returns a String that represents the shortcut key, also known as the accelerator key, for a specified object.
AllowedFileExtensions	string	Gets or sets the allowed file extensions for uploading.
ChunkSize	int	Gets or sets the size of the uploading chunks in bytes.
DisableChunkUpload	bool	Gets or sets whether the upload will be in chunks (2MB each) or the file will be uploaded with one request.
DisablePlugins	bool	Specify whether RadAsyncUpload will use 3rd party plugins like Flash/Silverlight or will stick to the native modules only (IFrame, File API).
DropZones	string	Gets or sets the drop zones for upload.
Enabled	bool	Enable or disable the RadAsyncUpload control.
EnableEmbeddedBaseStylesheet	bool	Gets or sets the value, indicating whether to render the link to the embedded base stylesheet of the control or not.
EnableEmbeddedScripts	bool	Gets or sets the value, indicating whether to render script references to the embedded scripts or not.
EnableEmbeddedSkins	bool	Gets or sets the value, indicating whether to render links to the embedded skins or not.
EnableFileInputSkinning	bool	Gets or sets the value indicating whether the file input fields skinning will be enabled.
EnableInlineProgress	bool	Specifies whether RadAsyncUpload displays an inline progress next to each file being uploaded.
EnablePermissionsCheck	bool	Specifies whether RadAsyncUpload performs check for write permissions upon load.
HideFileInput	bool	Gets or sets whether to render the file input.
HttpHandlerUrl	string	Specifies the URL of the custom upload HTTP Handler.
InputSize	int	Gets or sets the size of the file input field.
IsSkinSet	bool	For internal use.
Localization	AsyncUploadStrings	Gets the localization.
LocalizationPath	string	Gets or sets a string value indicating where RadAsyncUpload will look for its .resx localization files.
ManualUpload	bool	Gets or sets whether the upload will start automatically after the files are selected.
MaxFileInputsCount	int	Gets or sets the maximum file input fields that can be added to the control in single selection mode. MultipleFileSelection is not supported out of the box.
MaxFileSize	int	Gets or sets the maximum file size allowed for uploading in bytes.
MultipleFileSelection	AsyncUpload.MultipleFileSelection	Gets or sets a value indicating whether RadAsyncUpload allows selecting multiple files in the File Selection dialog.
OnClientAdded	string	Gets or sets the name of the client-side function which will be executed after a new fileinput is added to a RadUAsyncpload instance.
OnClientFileDropped	string	Gets or sets the name of the client-side function which will be executed after a file has been dropped.
OnClientFileSelected	string	Gets or sets the name of the client-side function which will be executed after a file has been selected.
OnClientFilesSelected	string	Gets or sets the name of the client-side function which will be executed after files have been selected.
OnClientFilesUploaded	string	Gets or sets the name of the client-side function which will be executed all selected files have been uploaded.
OnClientFileUploaded	string	Gets or sets the name of the client-side function which will be executed when a file upload finishes successfully.
OnClientFileUploadFailed	string	Gets or sets the name of the client-side function which will be executed when a file upload ends unsuccessfully.
OnClientFileUploading	string	Gets or sets the name of the client-side function which will be executed when a file upload starts.
OnClientFileUploadRemoved	string	Gets or sets the name of the client-side function which will be executed after a file input has been deleted from a RadAsyncUpload instance.
OnClientFileUploadRemoving	string	Gets or sets the name of the client-side function which will be executed before a file input is deleted from a RadAsyncUpload instance.
OnClientProgressUpdating	string	Gets or sets the name of the client-side function which will be executed on an in-line progress update.
OnClientValidationFailed	string	Gets or sets the name of the client-side function which will be executed if the selected file has invalid extension.
PersistConfiguration	bool	Gets or sets whether the upload configuration should be persisted into ControlState (if the upload configuration is different than null).
PostbackTriggers	string	Gets or sets whether the client state should be persisted (if the postback is triggered by particular control).
ProgressHandlerUrl	string	Gets or sets the URL which for the progress handler that takes care of the progress monitoring when the IFrame module is used.
RegisterWithScriptManager	bool	Whether to register with the ScriptManager control on the page.
RenderMode	RenderMode	Specifies the rendering mode of the control.
Skin	string	Specifies the skin that will be used by the control.
TabIndex	short	Gets or sets the tab order of the control within its container.
TargetFolder	string	Gets or sets the virtual path of the folder, where RadAsyncUpload will automatically save the valid files after the upload completes.
TemporaryFileExpiration	TimeSpan	Sets how long temporary files should be kept before automatically deleting them. The default value is 4 hours.
TemporaryFolder	string	Gets or sets the path to a folder where RadAsyncUpload should save files temporarily until a postback occurs. Defaults to App_Data\RadUploadTemp subfolder of the Application Path.
UploadConfiguration	IAsyncUploadConfiguration	Sets upload configuration. The generic object can be obtained using the CreateUploadConfiguration<T> method, where T is custom class that implements IAsyncUploadConfiguration. If you use this, see Security - Custom Metadata.
UploadedFiles	UploadedFileCollection	Provides access to the valid files uploaded by the RadAsyncUpload instance.
UploadedFilesRendering	AsyncUpload.UploadedFilesRendering	Gets or sets a value indicating whether RadAsyncUpload will render the uploaded files above/below the current file input.
UseApplicationPoolImpersonation	bool	Gets or sets whether the application pool impersonation should be used.

The LastModifiedDate property was added to the AsyncUploadedFile class as of Q3 2012. The value is available only when we are uploading files with IE10, FireFox, Google Chrome and Safari browsers. In IE9 it is not available because it does not support File API while in Opera, LastModifiedDate is not available due to security reasons.

Methods

Name	Description
CreateDefaultUploadConfiguration<T>	Creates an object of type T (that implements IAsyncUploadConfiguration) and populates all properties specified in the interface from this RadAsyncUpload instance.

Properties of the UploadedFiles Collection

Name	Type	Description
ContentLength	int	Gets the size in bytes of an uploaded file.
ContentType	string	Gets the MIME content type of a file sent by a client.
FileName	string	Gets the fully-qualified name of the file on the client's computer (for example "C:\MyFiles\Test.txt").
InputStream	System.IO.Stream	Gets a Stream object which points to the uploaded file to prepare for reading the contents of the file. The property is available only in RadAsyncUpload control when FileApi module is used.
LastModifiedDate	DateTime	Gets the last modified date of the uploaded file. The property is available only in RadAsyncUpload control when FileApi module is used.

Methods of the UploadedFiles Collection 

Name	Description
GetExtension	Returns the extension of the file on the client's computer.
GetFieldValue	Returns the value of a custom field.
GetIsFieldChecked	Returns the checked state of a custom field.
GetName	Returns the name and extension of the file on the client's computer.
GetNameWithoutExtension	Returns the name of the file on the client's computer without the extension.
SaveAs	Saves the contents of an uploaded file.

See Also

• Getting Started

• Uploaded Files Position

• Server-Side Events