C1Upload provides flexible trigger options that allow you to control on which action to submit the files to the server.
Use the UploadTrigger property to define the trigger behavior for uploading files. The default value for this property is UploadTrigger.OnUploadClick. You can choose from one of three trigger options as described in the following table.
|
Trigger Option |
Description |
|
OnUploadClick |
Start uploading when clicking the [Upload] button. |
|
OnFileSelect |
Start uploading when selecting a file. |
|
Never |
Only upload by calling the client-side Upload() method. |
|
