OleDbConnection cnn;
string strSQL = "UPDATE anytable SET anyfield_1 = "anything" WHERE anyfield_2 = "anycondition"";
OleDbCommand cmd = new OdbcCommand(strSQL, cnn);
try
{
   cnn.Open();
   cmd.ExecuteNonQuery();		
   cnn.Close();
}
catch (Exception exc)
{
   string a = exc.Message;
}

OleDbConnection cnn;
string strSQL = "UPDATE anytable SET anyfield_1 = "anything" WHERE anyfield_2 = "anycondition"";
OleDbCommand cmd = new OleDbCommand(strSQL, cnn);
try
{
   cnn.Open();
   cmd.ExecuteNonQuery();		
   cnn.Close();
}
catch (Exception exc)
{
   string a = exc.Message;
}