Loading MapInfo tab file problem

[Hayden fisher]

Hi All,

I've just placed MapServer onto IIS and performed some test runs with 
shapefiles downloaded with a tutorial. These worked fantastically! Now I've 
used the same directory structure and tried to use MapInfo tab files.

The following is my map file and it appeared to be working, I mean no error 
were popping up just a blank image.

# mapfile
NAME "First"
SIZE 400 300
IMAGECOLOR 255 255 255
IMAGETYPE PNG
EXTENT 159.42 -46.43 181.96 -37.81
WEB
	TEMPLATE "C:\Inetpub\wwwroot\trial\trial.html"
	IMAGEPATH "C:\Inetpub\wwwroot\trial\tmp\"
	IMAGEURL "C:\Inetpub\wwwroot\trial\tmp\"
END
LAYER
	NAME "ws_line"
	TYPE line
	CONNECTIONTYPE OGR
	CONNECTION "C:\Inetpub\wwwroot\trial\mapfiles\ws_line.tab"
	STATUS ON
	STYLEITEM "AUTO"
END
END

The next test I did was altered the CONNECTION 
to "T:\Inetpub\wwwroot\trial\mapfilgfges\ws_linehgfgs.tab" which is 
completely wrong and it still didn't throw up any errors???

Am I newbie to this and totally puzzled, if someone could give any advice I 
would most appreciate it!