Removes POST field with specified name from the upload.
getImageUploader("ImageUploaderID").RemoveField(Name);
The parameter can use the following placeholders:
Current index of the file. It can be used as follows:
RemoveField("Width_[ItemIndex]");
Current index of the thumbnail. It can be used as follows:
RemoveField("Thumbnail[ThumbnailIndex]Width_[ItemIndex]");