Help with parse... see example

Hey,
I need some help with this, i'm writing a program which reads from a database and when it does, It does some validation.
My problem is this: I need to convert it from a date to string (or string to date, it doesn't matter). I get an error saying it is an undefined data type. please see the examples of my code
So for example, cost works, when i convert to int. For parseInt illustrated here
     //Cost
     public void setCost(String sCostA) throws Exception {
          try{
               Validation.IsValid(sCostA + "","N","M","","","0","");
               iCost = Integer.parseInt(sCostA);
          }catch (Exception e){
               throw new Exception("Cost Invalid:\n"+e);
     public void setCost(int iCostA) throws Exception {
          try{
               Validation.IsValid(iCostA + "","N","M","","","0","");
               iCost = iCostA;
          }catch (Exception e){
               throw new Exception("Cost Invalid:\n"+e);
     }While if i try date, it doesn't work. Here is my code...
     //Expire_Date
     public void setExpire_Date(String sExpire_DateA) throws Exception {
          try{
               Validation.IsValid(sExpire_DateA + "","D","O","","","0","");
               dtExpire_Date = Date.parseDate(sExpire_DateA);
          }catch (Exception e){
               throw new Exception("Date_Given Invalid:\n"+e);
     public void setExpire_Date(Date dtExpire_DateA) throws Exception{
          try{
               Validation.IsDate(dtExpire_DateA + "O");
               dtExpire_Date = dtExpire_DateA;
          }catch (Exception e){
               throw new Exception ("Expire_Date is an Invalid Date:\n"+e);
     }I know there should be a way to fix this, i hope someone can help me
If there is any more info you require please let me know
Thanks in advance
Lutty182

I don't quite understand what you are doing but converting between a data and a string you might want to look at SimpleDateFormat.

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Now we are getting somewhere. Identifier 'PARSE' must be declared.
I again used the 'Search' link just above the forum posts and entered 'dbms_sql.parse' and got a short list of hits (as I suggested in my previous reply).
There is one with Barbara's name on it. It shows exactly how to do what you are trying to do. In particular note her code:
DBMS_SQL.PARSE
(cursor_name,
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| | v_account_id,
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Compare her PARSE statement to yours and you will see some major differences. The PARSE procedure is defined in the DBMS_SQL package and must be reference by DBMS_SQL.PARSE as Barbara shows.
In addition to dynamic SQL using the DBMS_SQL package Oracle 8i also supports the EXEC IMMEDIATE statement.
All of Oracle's documentation is available online via the 'Documentation' link on the left side of the OTN home page.
The 'Supplied PL/SQL Packages Reference' has a chapter for each package (including DBMS_SQL) and describes the procedures/functions in the package and how to use them.
The 'Application Developers Guide - Fundamentals' has chapters on 'processing SQL statements' and 'dynamic SQL' that go into some detail on performing dynamic sql.
Yes, Barbara's code uses a CURSOR. The DBMS_SQl package requires it and so does your code. Almost all SQL uses a CURSOR either implicitly or explicitly.
My comments are not, and were not, directed at you personally so I hope you don't take them that way.
Your latest reply has a lot of useful information in it.
1. 19/1 PLS-00201: identifier 'PARSE' must be declared. This is the explicit error message we need to help someone. We don't have to guess which error they are talking about. We can look it up in the MESSAGES manual if necessary. When someone says 'I get an error', or 'I get a PARSE error' we can only guess which error they are talking about.
In your reply you state that you looked at Barbara's code, she uses a cursor and you don't need a cursor. That is very useful information to someone trying to help you because it tells us two things: you are trying to find the answer for yourself (a lot of people just want someone to write the code for them) and it shows that you haven't made the connection between Barbara's example (which shows EXACTLY what you need to do) and your own code.
This is a public forum and I have found it useful to keep repeating certain suggestions.
For whatever reason many people still do not seem to realize that:
1. ALL of Oracle's documentation is available on-line via the 'Documentation' link on the left side of the OTN main page.
2. You can purchase (for about $50) a CD-ROM that has all of the Oracle documentation on it in both PDF and HTML format.
3. The 'search' link just above each discussion forum allows one to search any or all forums for topics, users, etc.
The above resources should be used by everyone.
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--A

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