XMLType extract help function

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• XMLType.extract cannot display French special characters in the select statement

  Hello
  E characters (acute e) get distorted when they are retrieved from the
  XMLType column of an ordinary table.
  
  How can we solve correctly get the characters e (acute e)?
  
  We tried setting 'setenv NLS_LANG French_France.WE8ISO8859P1' and
  "setenv NLS_LANG French_France.WE8DEC" before loading the table.
  
  Database version:

  SQL> select * from v$version;
  
  BANNER
  --------------------------------------------------------------------------------
  Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production
  PL/SQL Release 11.2.0.2.0 - Production
  CORE    11.2.0.2.0      Production
  TNS for Linux: Version 11.2.0.2.0 - Production
  NLSRTL Version 11.2.0.2.0 - Production

  The test sample case is as follows:

  --connect to any schema where you can store XMLType
  set long 2000;
  set pagesize 2000;
  set serveroutput on;
  --delete from test;
  drop table test;
  create table test (id number, xmldata XMLType);
  
  
  declare
  featureDescriptorXML  CLOB;
  xml_type XMLType;
  new_xml_type XMLType;
  myName varchar2(100);
  myName2 varchar2(100);
  myName3 varchar2(100);
  stmt varchar2(4000);
  begin
   featureDescriptorXML :=
   '<?xml version="1.0" encoding="UTF-8"?>' ||
   '<abc:TheFeature xmlns:' || 'de' || '="' || 'http://abc.klmno.org/fghde' || '" xmlns:abc="http://www.ghijklmn.net/abc"' ||
   ' xmlns:xyz="http://www.ghijklmn.net/xyz">' ||
   '<abc:Name>de:MyGénérique</abc:Name>' ||
   '</abc:TheFeature>';
   xml_type := xmltype(featureDescriptorXML);
   myName := xml_type.extract('/abc:TheFeature/abc:Name/text()', 'xmlns:abc="http://www.ghijklmn.net/abc"').getStringVal();
   dbms_output.put_line('abc:Name value stored in VARCHAR2 variable from XMLType variable is ' || myName);
   -- can show French chars
  
   insert into test(id, xmldata) values(20, xml_type);
  
   stmt := 'select t.xmldata.extract(''/abc:TheFeature/abc:Name/text()'', ''xmlns:abc="http://www.ghijklmn.net/abc"'').getStringVal() from test t';
   execute immediate stmt into myName2;
   dbms_output.put_line('abc:Name value stored in VARCHAR2 variable from XMLType column in 2nd version is ' || myName2);
   -- cannot show French chars
  
  
   stmt := 'select  t.xmldata from test t';
   execute immediate stmt into new_xml_type;
   myName3 := new_xml_type.extract('/abc:TheFeature/abc:Name/text()', 'xmlns:abc="http://www.ghijklmn.net/abc"').getStringVal();
   dbms_output.put_line('abc:Name value stored in VARCHAR2 variable from first XMLType column and then from XMLType variable in 3rd version is ' || myName3);
   -- cannot show French chars
  
  end;
  /
  
  select t.xmldata.extract('/abc:TheFeature/abc:Name/text()', 'xmlns:abc="http://www.ghijklmn.net/abc"').getStringVal()
  from test t;
  -- Cannot show French chars
  
  
  select t.xmldata.extract('/abc:TheFeature/abc:Name/text()', 'xmlns:abc="http://www.ghijklmn.net/abc"').getStringVal() "myname"
  from test t;
  -- Cannot show French chars
  
  
  select t.xmldata.getCLOBVal() from test t;
  -- Cannot show French chars
  
  
  select t.xmldata from test t;
  -- Can show French chars

  Output is the following with setenv NLS_LANG French_France.WE8ISO8859P1
  and NLS_DATABASE_PARAMETERS are the following:

  SQL> select * from nls_database_parameters;
  
  PARAMETER                      VALUE
  ------------------------------ ----------------------------------------
  NLS_LANGUAGE                   AMERICAN
  NLS_TERRITORY                  AMERICA
  NLS_CURRENCY                   $
  NLS_ISO_CURRENCY               AMERICA
  NLS_NUMERIC_CHARACTERS         .,
  NLS_CHARACTERSET               WE8DEC
  NLS_CALENDAR                   GREGORIAN
  NLS_DATE_FORMAT                DD-MON-RR
  NLS_DATE_LANGUAGE              AMERICAN
  NLS_SORT                       BINARY
  NLS_TIME_FORMAT                HH.MI.SSXFF AM
  
  PARAMETER                      VALUE
  ------------------------------ ----------------------------------------
  NLS_TIMESTAMP_FORMAT           DD-MON-RR HH.MI.SSXFF AM
  NLS_TIME_TZ_FORMAT             HH.MI.SSXFF AM TZR
  NLS_TIMESTAMP_TZ_FORMAT        DD-MON-RR HH.MI.SSXFF AM TZR
  NLS_DUAL_CURRENCY              $
  NLS_COMP                       BINARY
  NLS_LENGTH_SEMANTICS           BYTE
  NLS_NCHAR_CONV_EXCP            FALSE
  NLS_NCHAR_CHARACTERSET         AL16UTF16
  NLS_RDBMS_VERSION              11.2.0.2.0
  
  20 ligne(s) sélectionnée(s).

  Table creé.
  
  abc:Name value stored in VARCHAR2 variable from XMLType variable is
  de:MyGénérique
  abc:Name value stored in VARCHAR2 variable from XMLType column in 2nd version is
  de:MyGénérique
  abc:Name value stored in VARCHAR2 variable from first XMLType column and then
  from XMLType variable in 3rd version is de:MyGénérique
  
  Procdure PL/SQL terminée avec succès.
  
  
  T.XMLDATA.EXTRACT('/ABC:THEFEATURE/ABC:NAME/TEXT()','XMLNS:ABC="HTTP://WWW.GHIJK
  --------------------------------------------------------------------------------
  de:MyGénérique
  
  
  myname
  --------------------------------------------------------------------------------
  de:MyGénérique
  
  
  T.XMLDATA.GETCLOBVAL()
  --------------------------------------------------------------------------------
  <?xml version="1.0" encoding="DEC-MCS"?>
  <abc:TheFeature xmlns:de="http://abc.klmno.org/fghde" xmlns:abc="http://www.ghij
  klmn.net/abc" xmlns:xyz="http://www.ghijklmn.net/xyz">
    <abc:Name>de:MyGénérique</abc:Name>
  </abc:TheFeature>
  
  
  
  XMLDATA
  --------------------------------------------------------------------------------
  <?xml version="1.0" encoding="ISO-8859-1"?>
  <abc:TheFeature xmlns:de="http://abc.klmno.org/fghde" xmlns:abc="http://www.ghij
  klmn.net/abc" xmlns:xyz="http://www.ghijklmn.net/xyz">
    <abc:Name>de:MyGénérique</abc:Name>
  </abc:TheFeature>

  We also tried affecting NLS_CHARACTERSET AL32UTF8
  by CHARACTER SET of ALTER DATABASE.
  the database is closed and restarted.
  But that did not help.
  
  Thank you

  Ok. Wasn't sure. Thank you for that clarification.

  .. .but please make an attempt with XMLTABLE XMLQUERY, XMLCAST (or CAST) and other XML functions that support XQuery and not to use the engine of 'old '... I hope that these features will keep things as it should...

  .. .If not... create an SR with support of Oracle on this issue. Changes, if you base your SR on these 'old' operators XML/SQL and functions that are her will not be able to help, mainly due to the fact that your last version and stuff like EXTRACT / getStringVal() etc. are announced officially discouraged in this 11.2.0.2.0 version. As far as I know the t.xmldata.extract, the xml_type.extract and the other syntaxes, outlaw count of 10.1 (although I know, he appealed to java / OO people kind).

  Published by: Marco Gralike April 5, 2011 19:50

• XMLTYPE extract some nodes

  Hello
  < book >
  < book >
  < id > 12 / < ID >
  Oracle < name > < / name >
  < / book >
  < book >
  < id > 15 / < ID >
  < name > net < / name >
  < / book >
  < / books >
  
  Please how can I retrieve the node containing the oracle book without the order of the element, in 10 g and 11 g
  
  I mean that the result should be
  
  < book >
  < id > 12 / < ID >
  Oracle < name > < / name >
  < / book >
  
  Thanks in advance

  How about using the EXTRACT with following XPath function? :
  book/books / [name = 'oracle']

  The whole sample test case:
  ------------------------------------------------------------
  CREATE TABLE testtab)
  ID NUMBER PRIMARY KEY,
  XML XMLTYPE
  );
  INSERT INTO testtab VALUES (1, XMLTYPE ('))
  
  12
  Oracle
  
  
  15
  NET
  
  '));
  COMMIT;

  SELECT EXTRACT (xml, '/ books/book [name = "oracle"]') FROM testtab;
  ------------------------------------------------------------

• XMLType.extract: result of split

  Hello
  
  I use this function of the soap_api.sql for web services.
  

  FUNCTION get_return_value(p_response   IN OUT NOCOPY  t_response,
                            p_name       IN             VARCHAR2,
                            p_namespace  IN             VARCHAR2)
    RETURN VARCHAR2 AS
  -- ---------------------------------------------------------------------
  BEGIN
  
          RETURN p_response.doc.extract('//'||p_name||'/child::text()',p_namespace).getstringval();
  
  END;

  The problem is that it returns a large number of values, and they are all concatenated to the return value. Is there a way to divide all values with a separator or something?
  
  For example. It returns "TexasLos AngelesChicagoPhoenix" and I would like something like "Texas; Los Angeles; Chicago; Phoenix»
  
  I am using Oracle 11g
  
  Thank you

  Hello

  You can use the XMLQuery function and string-join (XPath 2.0).

  For example:

  SQL> DECLARE
    2
    3   xmldoc xmltype := xmltype(
    4  '
    5  Texas
    6  Los Angeles
    7  Chicago
    8  Phoenix
    9  '
   10  );
   11
   12   p_name      VARCHAR2(30) := 'city';
   13   p_namespace VARCHAR2(100) := 'test';
   14
   15   v_result    VARCHAR2(100);
   16
   17  BEGIN
   18
   19   select xmlcast(
   20    xmlquery(
   21     ( 'declare default element namespace "'||p_namespace||'"; (::)
   22       string-join(//'||p_name||'/child::text(),";")' )
   23     passing xmldoc
   24     returning content
   25    )
   26    as varchar2(100)
   27   ) into v_result
   28   from dual;
   29
   30   dbms_output.put_line(v_result);
   31
   32  END;
   33  /
  
  Texas;Los Angeles;Chicago;Phoenix
  
  PL/SQL procedure successfully completed
   
  

  It works well on 11.2, not sure about 11.1.

  Another way, by blocking the part extracted outside XQuery.
  Perhaps it fits better into your actual design:

  SQL> DECLARE
    2
    3   xmldoc xmltype := xmltype(
    4  '
    5  Texas
    6  Los Angeles
    7  Chicago
    8  Phoenix
    9  '
   10  );
   11
   12   p_name      VARCHAR2(30) := 'city';
   13   p_namespace VARCHAR2(100) := 'xmlns="test"';
   14
   15   v_result    VARCHAR2(100);
   16
   17  BEGIN
   18
   19   select xmlcast(
   20    xmlquery(
   21     'string-join(//text(),";")'
   22     passing extract(xmldoc, '//'||p_name, p_namespace)
   23     returning content
   24    )
   25    as varchar2(100)
   26   ) into v_result
   27   from dual;
   28
   29   dbms_output.put_line(v_result);
   30
   31  END;
   32  /
  
  Texas;Los Angeles;Chicago;Phoenix
  
  PL/SQL procedure successfully completed
   
  

• How to implement a callback to the help function call library function node in LabView?

  I try to call a fuction from a SDK.dll library by using the node call library feature. The SDK has been provided to

  me and I don't have the source code, just the .dll and .h files.

  The SdkSetPropertyEventHandler function has a function of recall as one of its parameters. How to apply the

  callback using the NSI node? I'm a good programmer LabView but this is my first time using the library to call

  Function node. I read all the info I can find on the web site of NOR and the discussion Forum, but can not understand

  This one out. I'm using LabView 8.6.

  The deacribes SDK.h function as:

  Function: SdkSetPropertyEventHandler

  (SdkSetPropertyEventHandler) SdkError SDKAPI
  SdkCameraRef inCameraRef,
  SdkPropertyEvent inEvnet,
  SdkPropertyEventHandler inPropertyEventHandler,
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  -----------------------------------------------------------------------------*/
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  SdkPropertyID inPropertyID,
  SdkUInt32 inParam,
  SdkVoid * context);

  Thanks for your help.
  Alejandro

  Andrew_E wrote:

  Hi Rolfk,

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  Rolf Kalbermatter

• HELP function - new VI doesn't seem to work in built Application

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• Help function LabelField

  Hello

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  As you can see, the two are LabelFields with graphics by placing of the same color. It makes no repeat the code point and would be better to be able to pass information to a function to set the color for label... Creating a class using a variable public to access the info above which is converted into a string before being passed to the LabelField control. Each LabelField will be in the same format:

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  or

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  producing a

  Owner: [name of the owner of some here]

  Following label:

  The owner Info: [info from the owner here]

  and so on

  That's what I wrote, but doesn't seem to work:

  ' Public Sub SetGreenLabel (field field, String sLabelText, String sFunctionName)
  {
  field = new LabelField (sLabelText + ":" + sFunctionName, DrawStyle.LEFT)
  {
  public void paint (Graphics g)
  {
  g.setColor (Color.DARKGREEN);
  g.setBackgroundColor (Color.WHITE);
  Super.Paint (g);
  }
  };
  };

  May extend to pass the ForeColor as parameter

  ' Public Sub SetLabelColour (String sLabelText, String sFunctionName, PlayStations color field, field)
  {
  field = new LabelField (sLabelText + ":" + sFunctionName, DrawStyle.LEFT)
  {
  public void paint (Graphics g)
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  };
  };

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  SetLabelColour (String sText2, String sText, color cForeColour)

  SetLabelColour (String sText2, String sText, cBackColour color, color cForeColour)

  My public variable

  MyClass mc = new MyClass();

  Label

  LabelField lf1;

  MC. SetLabelColour (lf1, 'Owner', PhonesOwner());

  Any ideas on how to write the correct functions?

  Thanks in advance

  Sure. Here is a more elaborate version of the idea of the subclass that has multiple constructors, commented to indicate what is happening. I have also set the colours.

  public class ColorLabelField extend LabelField {    /** Foreground color */    private int fg;
  
      /** Background color */    private int bg;
  
      /**     * Construct a ColorLabelField with empty text, default     * colors of dark green foreround and white background,     * and default style as determined by LabelField.     */    public ColorLabelField() {        this("", Color.DARKGREEN, Color.WHITE);    }
  
      /**     * Construct a ColorLabelField with indicated initial text,     * foreground and background colors, and default style.     * @param text the initial text     * @param fg the foreground color for the text     * @param bg the background color for the text     */    public ColorLabelField(String text, int fg, int bg) {        super(text);        this.fg = fg;        this.bg = bg;    }
  
      /**     * Construct a ColorLabelField with indicated initial text,     * foreground and background colors, and style.     * @param text the initial text     * @param fg the foreground color for the text     * @param bg the background color for the text     * @param style the style for the field     */    public ColorLabelField(String text, int fg, int bg, long style) {        super(text, style);        this.fg = fg;        this.bg = bg;    }
  
      /* No Javadoc comment. Just because. :) */    public void paint(Graphics g) {
          g.setColor(fg);
          g.setBackgroundColor(bg);
          super.paint(g);
      }
  }
  

  If you wish, you can add accessor functions to set the foreground and background colors after the ColorLabelField was built. As written, once you create them, the colors are immutable. (As far as the style of any field bits are immutable). If you add these accessor functions, you should consider if disabled then automatically the field when colors are changed or if it must remain until the client code to invalidate after everything he's done.

• XMLType.extract changes data?

  declare

  l_xml xmltype.

  l_xml2 xmltype.

  Start

  l_xml: = xmltype.createxml (xmlData = > bfilename ('XMLDIR2', 'demo.xml'),)

  CSID = > 0,

  schema = > null);

  l_xml2: = l_xml.extract('/UNIVERSITY/PKU/DEP/ART');

  dbms_output.put_line (l_xml. GETSTRINGVAL);

  l_xml2: = l_xml.extract('/UNIVERSITY/PKU/DEP/ART');

  dbms_output.put_line (l_xml. GETSTRINGVAL);

  end;

  the outputs are

  UNIVERSITY <>

  < PKU >

  < num DEP = "3" >

  < ART / >

  < AUTO / >

  < CHEMICAL / >

  < / DEP >

  < / ECP >

  < TSINGHUA >

  < DEP num = "2" >

  < BUILDING / >

  < AUTO / >

  < / DEP >

  < / TSINGHUA >

  < PKU >

  < num DEP = "3" >

  < ART / >

  < AUTO / >

  < CHEMICAL / >

  < / DEP >

  < / ECP >

  < TSINGHUA >

  < DEP num = "2" >

  < BUILDING / >

  < AUTO / >

  < / DEP >

  < / TSINGHUA >

  < / UNIVERSITY >

  UNIVERSITY <>

  < PKU >

  < num DEP = "3" >

  < ART / >

  < AUTO / >

  < CHEMICAL / >

  < / DEP >

  < / ECP >

  < TSINGHUA >

  < DEP num = "2" >

  < BUILDING / >

  < AUTO / >

  < / DEP >

  < / TSINGHUA >

  < PKU >

  < num DEP = "3" >

  < ART / >

  < AUTO / >

  < CHEMICAL / >

  < / DEP >

  < / ECP >

  < TSINGHUA >

  < DEP num = "2" >

  < BUILDING / >

  < AUTO / >

  < / DEP >

  < / TSINGHUA >

  < PKU >

  < num DEP = "3" >

  < ART / >

  < AUTO / >

  < CHEMICAL / >

  < / DEP >

  < / ECP >

  < TSINGHUA >

  < DEP num = "2" >

  < BUILDING / >

  < AUTO / >

  < / DEP >

  < / TSINGHUA >

  < / UNIVERSITY >

  Cat demo.xml

  UNIVERSITY <>

  < PKU >

  < num DEP = "3" >

  < ART / >

  < AUTO / >

  < CHEMICAL / >

  < / DEP >

  < / ECP >

  < TSINGHUA >

  < DEP num = "2" >

  < BUILDING / >

  < AUTO / >

  < / DEP >

  < / TSINGHUA >

  < / UNIVERSITY >

  It seems l_xml changed every time an excerpt is called, why? Thank you very much!!!

  Hello

  I have the same problem on this version:

  BANNER

  --------------------------------------------------------------------------------

  Oracle Database 11 g Enterprise Edition Release 11.2.0.1.0 - 64 bit Production

  PL/SQL Release 11.2.0.1.0 - Production

  CORE 11.2.0.1.0 Production

  AMT for 64-bit Windows: Version 11.2.0.1.0 - Production

  NLSRTL Version 11.2.0.1.0 - Production

  5 selected lines.

  The problem seems to use createxml and getstringval:

  declare
  
    l_xml   xmltype;
    l_xml2  xmltype;
  
  begin
  
    l_xml  := xmltype.createxml(xmlData => bfilename('XMLDIR2', 'demo.xml'),
                                csid    => 0,
                                schema  => null);
  
    dbms_output.put_line('Run 1 (getstringval):');
    dbms_output.put_line(l_xml.getstringval);
    dbms_output.put_line('Run 2 (getstringval):');
    dbms_output.put_line(l_xml.getstringval);
    dbms_output.put_line('Run 3 (getstringval):');
    dbms_output.put_line(l_xml.getstringval);
  
  end;
  /
  

  Here is the result:

  Race 1 (getstringval):

  Race 2 (getstringval):

  Race 3 (getstringval):

  Replace getstringval with getclobval seems to fix the problem.

  By creating the xml as literal does not show the same problem.

  Probably a bug on this version.

  Kind regards.

  Alberto

• XMLType extract query

  Hello:
  
  How to change the following query to get only the element with a given person_id? Actually, I have a CLOB containing an XML document. I thought that step 1 is to create a view, or something that casts of this column to an XMLType object, so I do that in the data of test here as well. If I do not need to do, it makes it very well.
  

  with base as ( -- Base XML
      select '<?xml version="1.0" encoding="UTF-8"?>
      <person_record_set>
      <person>
      <lname>Doe</lname>
      <fname>John</fname>
      <person_id>12345</person_id>
      </person>
      <person>
      <lname>Smith</lname>
      <fname>John</fname>
      <person_id>54321</person_id>
      </person>
      <person>
      <lname>Jones</lname>
      <fname>Mary</fname>
      <person_id>33333</person_id>
      </person>
      </person_record_set>' bdata
  from dual
  ),
  Q1 as ( -- We want it as an XMLType
  select xmltype(bdata) xtdata 
  from base)
  -- End of test data setup
  select '<rows>' || extract(xtdata,'//person') || '</rows>' from Q1

  Thank you

  You can use conditions on the xpath:

  with q1 as (select xmltype('
      
      
      Doe
      John
      12345
      
      
      Smith
      John
      54321
      
      
      Jones
      Mary
      33333
      
      ') xtdata from dual)
  -- End of test data setup
  select '' || extract(xtdata,'//person[person_id=12345]') || '' from Q1
  

  I don't like particularly the addition of '', though; that's what you do with this data? There are probably better ways to do this.

  Published by: Boneist on May 16, 2012 14:55

• A parameter of xmltype extraction problem

  Hello
  I am using oracle 11g and I am trying to use an xmltype as input to an SP parameter, here's my SP:
  
  create or replace PROCEDURE ABC
  (FE_Param OF XMLType)
  AS
  BEGIN
  I'm IN
  (
  SELECT XMLTYPE. EXTRACT (VALUE (a),
  ' Root/FE_ID/text()').getstringval (LIKE FE_ID)
  TABLE
  (XMLSEQUENCE (FE_Param.EXTRACT
  ("/ FEData/Root")
  ) ) a )
  
  LOOP
  INSERT INTO table1
  VALUES (i.FE_ID);
  END LOOP;
  
  The XML parameter looks like this:
  <? XML version = "1.0" encoding = "utf - 8"? >
  < FEData >
  < root > < FE_ID > 900000031 < / FE_ID >
  < FE_ID > 900000032 < / FE_ID > < FE_ID > 900000050 < / FE_ID > < / root > < / FEData >

  Triple post - what's happened? :-)

  Published by: Kim Berg Hansen on August 22, 2011 16:47

• Decode the help function

  Hello
  
  I'm new to the development of Oracle.
  
  MY requirement:
  
  I need to fill a column "ISMSG" by YES / NO based on the following condition
  
  When the code = the of ' or 'O'... the 'ISMSG' column should display any other YES no.
  
  That is, output should be like
  
  CODE ISMSG
  
  A NO
  S YES
  S YES
  O YES
  
  My code for the Decode function:
  
  CASE
  WHEN s = c.code ' THEN decode (c.code, the of ',' YES, 'NO')
  WHEN c.code = 'o' THEN decode (c.code, 'O', 'YES', 'NO')
  END ISMSG
  
  My code is correct? If Yes is the best way to do it?
  If this is not the case, correct the code.
  
  Is there an effective way to do it?
  
  Thanks in advance.

  Hello

  You can use CASES or DECODE for this; There is no need to use both.
  With the help of CASE:

  SELECT  c.code
  ,     CASE
           WHEN  c.code  IN  ('S', '0')  THEN  'YES'
                                             ELSE  'NO'
       END     AS ismsg
  FROM    table_x   c;
  

  Using DECODE:

  SELECT  c.code
  ,     DECODE ( c.code
              , 'S'      , 'YES'
              , '0'      , 'YES'
                            'NO'
              )          AS ismsg
  FROM    table_x   c;
  

  I suggest that you forget to DECODE and use always the CASE, at least while you are beginner.

  CASE may do everything they can to DECODE. There is a little bit simple, situations where DECODE is a little shorter than the CASE and therefore a bit clearer, but only a little and, as I said, these are just simple situations, and CASE is clear enough in them.
  DECODE is never much shorter or clearer than the CASE. The reverse is not true: there are many situations where the CASE is much, much shorter and lighter than DECODE.

• Consolidation Help function

  Good,
  
  I know there must be an easier way to write this.
  Can someone tell me please in the right direction?
  
  There must be a way to use 1 function and a certain type of variable to add the new sprites to a table with a statement. I don't know how. Any help would be greatly appreciated.
  
  Thank you
  
  Wayne
  
  

  you have a typo in: the service should be services. and you don't need all that stuff on the sprites.

  and the flash needs help compiler, realize that your display objects are movieclips:

• Help function Win32 API GetPrinter

  I use the WInspool.drv to determine the status of the printer.

  Using this DLL, I try to run the GetPrinter function.

  When I run the function, it returns an error.

  Can someone tell me what I am doing wrong?

  My separate functions to get the default printer, open and close the printer works successfully.