WebFileUploader.Caption
From Xojo Documentation
Property (As String )
aWebFileUploader.Caption = newStringValue
or
StringValue = aWebFileUploader.Caption
New in 2020r1
Supported for all project types and targets.
or
StringValue = aWebFileUploader.Caption
New in 2020r1
Supported for all project types and targets.
The caption for the button the user clicks to select a file. The default value is Select.