WorkflowFileUpload Class

This control is composed of 2 modes First is edit mode within you can upload or overwrite a file Second is display mode with uploaded file title You will be able to upload/modify and remove file only if control is not readonly

Inheritance Hierarchy

SystemObject
  System.Web.UIControl
    System.Web.UI.WebControlsWebControl
      WorkflowGen.My.Web.UI.WebControlsWorkflowFileUpload

Namespace: WorkflowGen.My.Web.UI.WebControls
Assembly: WorkflowGen.My (in WorkflowGen.My.dll) Version: 8.1.3.0 (8.1.3.20220620)

Syntax

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public class WorkflowFileUpload : WebControl, 
	INamingContainer

Public Class WorkflowFileUpload
	Inherits WebControl
	Implements INamingContainer

The WorkflowFileUpload type exposes the following members.

Constructors

	Name	Description
	WorkflowFileUpload	Creates a new instance of the object WorkflowFileUpload

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Properties

	Name	Description
	AddImageUrl	The image url for Add and Replace
	AddStyle	Upload link style property
	AddText	Add link label property
	AllowedExtensions	Allowed extensions property
	AutoPostBack	If true, auto post back on file choice will be enabled
	CancelImageUrl	The image url for Cancel Replace
	CancelText	Cancel link label property
	ControlsStyle	How the control is displayed to the user using the DisplayType enumeration
	Culture	Culture
	DeleteImageUrl	The image url for Delete
	DeleteStyle	Delete link style property
	DeleteText	Delete link label property
	DisplayMode	Display Mode property
	DownloadLink	If true, link on file download will be enabled
	DownloadStyle	Download link style property
	EmbedImagePreview	Source of the image/pdf preview in the form archive. If True, the whole image/pdf will be embedded in the form archive. If false, the image/pdf source will come from a URL to WorkflowGen.
	EmptyFileErrorMessage	Empty File Error Message property
	ExtensionRestrictionErrorMessage	Forbidden File Extension Error Message property
	FileInfo	Return the FileInfo of the uploaded file if file exists Else return null
	FileName	Return the filename of the uploaded file
	FileSizeLimit	Maximum file size property
	FileSizeStyle	File size description style property
	ForbiddenExtensions	Forbidden extensions property
	HasFile	Return true if a file has been uploaded
	HasPostedFile	Return true if a file has been posted
	ModifyImageUrl	The image url for Cancel Replace
	ModifyStyle	Modify link style property
	OverwriteText	Overwrite link label property
	PostedFile	Return the posted file
	PreviewImageHeight	Set the CSS height value for the image/pdf preview
	PreviewImagePosition	Choices: Top, Bottom
	PreviewImageStyle	Image preview style property
	PreviewImageWidth	Set the CSS width value for the image/pdf preview
	ReadOnly	If true, control is in read only mode
	RequiredStyleWebControl	WebControl used for applying a required style
	SeparatorStyle	Separator char style property
	ShowFileSize	If true, control will display file size
	ShowPreviewImage	If true, control will display the image or pdf preview when possible Supported file extensions are .bmp, .gif, .jpg, .jpeg, .png, .svg and .pdf
	SizeRestrictionErrorMessage	Forbidden File Size Error Message property
	UpdateText	Update link label property
	UploadStyle	Upload control style property
	ValidationValue	Returns the value for validation
	Width	FileUpload Width

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Methods

	Name	Description
	AttachFile(String)	Only if Extension is not forbidden AND Extension is allowed or all extensions are allowed AND File Size does not exceed Max Size
	AttachFile(String, Stream)	Only if file stream does not exceed Max Size
	ChangeToFormArchiveLayout	Remove post backs and replace the download link and image source with an absolute URL to WFGEN Note: DownloadLink must be true and EmbedImagePreview false for their respective updates.
	CreateChildControls	Creates the constituents controls (Overrides ControlCreateChildControls.)
	LoadControlState	Control state loading (Overrides ControlLoadControlState(Object).)
	OnDataBinding	Init of the stateBag and public properties before the Page Load (Overrides ControlOnDataBinding(EventArgs).)
	OnInit	Initialization (Overrides ControlOnInit(EventArgs).)
	OnLoad	Executed when control is loaded WorkflowFileUpload will first see if there is any new file in his storage directory If a file appeared WorkflowFileUpload will try to apply restriction rules (size limit and extensions) If the last created file is accepted then he'll delete others Else the control will see if another file was registered before the current load (Overrides ControlOnLoad(EventArgs).)
	OnPreRender	Executed before the rendering Styles apply (Overrides ControlOnPreRender(EventArgs).)
	OnUnload	Saving in the FormData (Overrides ControlOnUnload(EventArgs).)
	RemoveFile	Remove the file that is currently attached to the control
	Render	Render (Overrides WebControlRender(HtmlTextWriter).)
	SaveControlState	Control state saving Update Control State with FormData using context.xml (Overrides ControlSaveControlState.)

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Events

	Name	Description
	OnFileDeleted	Declare an event with arguments we want to send
	OnFileUploaded	Declare an event with arguments we want to send

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Reference

WorkflowGen.My.Web.UI.WebControls Namespace