[Mono-list] MCS hello world?

Jacques Du Preez jacques@entegral.co.za
Mon, 10 May 2004 13:54:31 +0200
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Hi,
 
I'm completely new to Mono, .NET and C#. Although I have a thorough
knowledge of Delphi, Java, and VB6. I'm having a bit of a problem
compiling my helloworld application from Win XP. Whenever I try to
compile something I get the following error message:
 
WARNING: Could not find assembly System, references from
D:\Mono\Lib\mono\1.0\mcs.exe
Unhandled exception: System.NullReferenceException: Object reference not
set to an instance of an object.
 
My helloworld.cs source code:
using System;
 
class helloworld {
 
 static void Main ()
 {
  Console.WriteLine ("Hello World!");
 }
}
 
I know this might be a very elementary question, but please do help a
very newbie.
 
Thank you very-very much in advance for any help or recommendations,
 
Jacques
 

Jacques du Preez

Software Developer

Entegral Technologies Pty (Ltd)

 


postal address: po box 1284, lonehill, 2062

web:  <http://www.entegral.co.za/> www.entegral.co.za

 

 

 

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<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D833134411-10052004>Hi,</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D833134411-10052004></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D833134411-10052004>I'm =
completely new=20
to Mono, .NET&nbsp;and C#. Although I have a thorough knowledge of =
Delphi, Java,=20
and VB6. I'm having a bit of a problem compiling my helloworld =
application from=20
Win XP. Whenever I try to compile something I get the following error=20
message:</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D833134411-10052004></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN =
class=3D833134411-10052004>WARNING: Could not=20
find assembly System, references from=20
D:\Mono\Lib\mono\1.0\mcs.exe</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN =
class=3D833134411-10052004>Unhandled exception:=20
System.NullReferenceException: Object reference not set to an instance =
of an=20
object.</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D833134411-10052004>My =
helloworld.cs=20
source code:</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D833134411-10052004>using=20
System;</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D833134411-10052004>class =
helloworld=20
{</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN =
class=3D833134411-10052004>&nbsp;static void=20
Main ()<BR>&nbsp;{<BR>&nbsp;&nbsp;Console.WriteLine ("Hello=20
World!");<BR>&nbsp;}<BR>}</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D833134411-10052004></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D833134411-10052004>I know =
this might be=20
a very elementary question, but please do help a very=20
newbie.</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D833134411-10052004></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D833134411-10052004>Thank =
you very-very=20
much in advance for any help or recommendations,</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D833134411-10052004></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D833134411-10052004>Jacques</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV align=3Dleft>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Verdana">Jacques du =
Preez</SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Verdana">Software =
Developer</SPAN><SPAN=20
style=3D"FONT-SIZE: 10pt"><?xml:namespace prefix =3D o ns =3D=20
"urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Verdana">Entegral Technologies =
Pty=20
(Ltd)</SPAN><SPAN style=3D"FONT-SIZE: 10pt"><o:p></o:p></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN=20
style=3D"FONT-SIZE: 10pt">&nbsp;<o:p></o:p></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt">
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN=20
style=3D"FONT-SIZE: 7.5pt; COLOR: black; FONT-FAMILY: =
Verdana"></SPAN><SPAN=20
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style=3D"FONT-SIZE: 7.5pt; COLOR: gray; FONT-FAMILY: Verdana">postal =
address:=20
</SPAN><?xml:namespace prefix =3D st1 ns =3D=20
"urn:schemas-microsoft-com:office:smarttags" =
/><st1:address><st1:Street><SPAN=20
style=3D"FONT-SIZE: 7.5pt; COLOR: black; FONT-FAMILY: Verdana">po=20
box</SPAN></st1:Street><SPAN=20
style=3D"FONT-SIZE: 7.5pt; COLOR: black; FONT-FAMILY: Verdana">=20
1284</SPAN></st1:address><SPAN=20
style=3D"FONT-SIZE: 7.5pt; COLOR: black; FONT-FAMILY: Verdana">, =
lonehill,=20
2062</SPAN><SPAN style=3D"FONT-SIZE: 7.5pt; COLOR: =
#0080ff"><o:p></o:p></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN=20
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</SPAN><SPAN=20
style=3D"FONT-SIZE: 7.5pt; COLOR: #0080ff"><A=20
href=3D"http://www.entegral.co.za/"><SPAN=20
style=3D"COLOR: black; FONT-FAMILY: =
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style=3D"FONT-SIZE: 7.5pt; COLOR: #0080ff">&nbsp;<o:p></o:p></SPAN></P>
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