R help - Jul 2007 - sqlSave, ...colnames=F, using "odbcConnectExcel" .... I still get colnames in top row of exprted sheet

I am trying to save an R data.frame as an Excel sheet.
I do NOT want the column names saved into row 1.
I set colnames=F.
However, it still seems that the colnames are saved into row 1.

Is this a bug? Or am I coding incorrectly and.or misunderstanding this feature?

#example code:
sheet = "c:/test2.xls"
temp=data.frame(matrix(data=NA,nrow=10,ncol=15))
temp[1,1] = 'sampletext.1.1'
temp[1,2] = 'sampletext.1.2'
library(RODBC)
odbcClose(channel)
file.remove(sheet)
channel <- odbcConnectExcel(sheet, readOnly=FALSE)
sqlSave(channel, temp, "p", fast=FALSE,rownames=F,colnames=F) 
odbcClose(channel)


       
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