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- Operating mode of the file upload performed via the Upload control
- Limits
- Maximum size of files to upload
UploadStart (Function) In french: UploadLance Starts sending the selected files into an Upload control. At the end of the upload, the list of the files to send is cleared on the browser (no matter whether the control sends one or more files). // -- Event "Whenever modifying the list of selected files"
// in the UPL_Upload control
// Starts sending the file and transmits the content of EDT_Family control
UploadStart(MySelf, EDT_Family) // -- Event "Receive files uploaded"
PROCEDURE Reception(FamilyName)
// Copies the file into the directory corresponding to the family
UploadCopyFile(MySelf, CompleteDir(sDestinationDirectory) + FamilyName, "") Syntax
UploadStart(<Upload control> [, <Parameter 1> [... [, <Parameter N>]]])
<Upload control>: Character string Name of the Upload control to be used. <Parameter 1>: Any type First parameter that must be passed to the server event "Receive files uploaded". To retrieve this parameter, a procedure in the following format must be declared in the "Receive files uploaded" event:
PROCEDURE ProcedureName(<Parameter 1> [, ... [, <Parameter N>]]) <Parameter N>: Any type Nth parameter that must be passed to the server event "Receive files uploaded". To retrieve this parameter, a procedure in the following format must be declared in the "Receive files uploaded" event:
PROCEDURE ProcedureName(<Parameter 1> [, ... [, <Parameter N>]]) Remarks Operating mode of the file upload performed via the Upload control Several events are associated with the Upload control (single or multi-file): - For a single-file Upload control, these events are associated with the "Send" button.
- For a multi-file Upload control, these events are associated with the "Add" button.
The events used when uploading the selected files are: - Browser event "Progress of transfer":
This event is called regularly during the upload to update a progress bar, if available. - Server event "Receive files uploaded":
This event is run when all the files are received by the server.
Remark: If UploadStart is called with additional parameters, these parameters are transmitted to the "Receive files uploaded" event. To retrieve these parameters, a procedure must be declared in this event (via the PROCEDURE statement).
Limits Modifications performed in the server event "Receive files uploaded" are NOT carried over to the browser. These modifications will be visible during the next display of the page. Maximum size of files to upload By default, the size of files to upload is not limited in the WEBDEV engine. This size can be limited by the WEBDEV Application Server.
The file will not be uploaded if its size exceeds the limit size.
To modify the maximum size of files to upload in WEBDEV Application Server, the registry must be modified on the server: - To modify the size of the uploaded files for all the WEBDEV 28 applications, select the following key: HKEY_LOCAL_MACHINE\SOFTWARE\PC SOFT\WEBDEV\28.0 on a 32-bit computer and HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\PC SOFT\WEBDEV\28.0 on a 64-bit computer.
- Add the MAX_UPLOAD string. The value of this string will be the maximum size of files to upload (in KB).
Related Examples:
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Unit examples (WEBDEV): Uploading or Downloading a file
[ + ] This example explains how to upload (copy to the server) or download (download from the server) a file and it allows you to: - Copy a file from the browser computer to the server - Download a file found on the server - Download a file found on the server via a link - Download a file found on the server by requesting its opening
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