Problem making a Insert

Hi everyone
I have a problem I have been wondering about some time now ...

Im making a simpel convert program that takes a '\t' or ';' delimited text, chopps it up and entere it undre the right field in a windows 2000 sql server.

First I wonderd it the sql strings had a syntax fault, but then I tryed to execute them in excel (get external data -> starts microsoft querry ) on the same machine , and it works fine.
So I then suspected that fore some reason i didnt have the same rihgts in my .NET enviroment as I had in microsoft querry... strange.

public void test()
{
try
{
SqlConnection Conn = new SqlConnection("user id=USER; password=PASSW; initial catalog=db_test; integrated security=SSPI;persist security info=False;server=SERVER1;workstation id=XXXXX-volfram;packet size=4096;");
try
{
con.Open();
statusBar.Text="Sucessfully conected to Jeeves";
}
catch(Exception e)
{
statusBar.Text="ERROR -> NOT CONECTED TO JEEVES:\t"+ e.GetType();
}

SqlCommand command = new SqlCommand();
// @@ this one works @@
//command.CommandText = "select artnr from op";

// @@ This one don´t work @@
command.CommandText = "insert into OP (artnr,opnr,opben,prodGr) values ('10002',13,'CadLIsta',0)";

command.Connection=Conn;
command.ExecuteNonQuery();
statusBar.Text="Inside test Function";
Conn.Close();
}
catch(Exception e)
{
statusBar.Text="\r\n Error: " + e.GetType() + " While writhing to database";
textBox1.Text +="\r\n Error: " + e.GetType() + " While writhing to database";
}

}

forgot to paste the error I get

error: system.data.sqlclient.sqlexception while writhing to database.


Regards
Volfram

AHHH DAMIT ....sorry .... got it
string myConnString ="user id=USER; password=PASSW; initial catalog=db_test; integrated security=SSPI;persist security info=False;server=SERVER1;workstation id=XXXXX-Voflram;packet size=4096";

If I removed integrated security=SSPI it worked

Have a nice day
Volfram