Straight to your questions:
- You can enable the multi file upload by simply setting MultipleFileSelection="Automatic". Please refer to this demo.
- Please note that due to security reasons it is not possible to set the default path for the dialog window. It is a browser limitation an it is not possible to change it. In order to open the file browser dialog on page load you can simply execute this line of code in the client pageLoad event handler:
- Could you please elaborate a bit more on this question?
- After the file is uploaded file list is automatically cleared.
Hope that this helps.
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