The below plsql program unit could be used in a WHEN-NEW-FORM-INSTANCE trigger to initially populate the hierarchical tree with data in Oracle forms.DECLAREhtree ITEM;v_ignore NUMBER;rg_emps RECORDGROUP;BEGIN-- Find the tree itself.htree := Find_Item…

Example is given below to Populate a List Item in Oracle Forms using Create_Group_From_Query , Populate_List and Populate_Group command. In this example you can specify the query at run time to populate the list item with that query result.   Followi…

Write Post-Query trigger for the block you want to fetch the field value for display item.ExampleBegin   Select Ename into :datablock.dspname      from emp      where ecode = :datablock.ecode;   -- Field dspname in datablock will be populated with th…

Add combo list / drop down list item element at runtime in Oracle forms.SyntaxPROCEDURE ADD_LIST_ELEMENT(list_name VARCHAR2,list_index, NUMBERlist_label VARCHAR2,list_value NUMBER);ExampleDeclare  nElmntCount Number;Begin   -- First count the total l…

Retrieves the sequence number of the selected row for the given group. Suppose you want to get a particular column value from a record group for the all rows or for particular rows, then you can use get_group_selection built-in to perform the task.Ex…

Set_Item_Property is used to change an object's settings at run time. Note that in some cases you can get but not set certain object properties. The following are Syntax of Set_Item_property command:SET_ITEM_PROPERTY(item_id ITEM,property NUMBER,valu…

SYSTEM.CURSOR_BLOCK Determining current block in Oracle Forms Using SYSTEM.CURSOR_BLOCK system variable. The value that the SYSTEM.CURSOR_BLOCK system variable represents depends on the current navigation unit:If the current navigation unit is the bl…

Download Source Code Providing an example form for creating hierarchical trees in Oracle Forms to control data block records. In this form whenever user selects any node in tree menu then corresponding record is displayed at right side.   This form i…

Suppose you want to populate a non-database data block with records manually in Oracle forms. This task can be done using a cursor.   Below is the example given for hr.job_history table, where user input the employee id in upper block and click on th…

Suppose you have two T-List items in form and you want  to shift element values from one list to another in Oracle Forms, here is the example given below for the same. Create two buttons also between list items as shown in picture in the bottom of th…

Example is given below to validate a Text Item in Oracle Forms with specific rules condition which can be define at run time with the use of T-List item and When-Validate-Item trigger.   Below is the screen shot of this example form which can be down…

Highlight a Text Item in Oracle Forms With Visual Attribute It is very necessary to highlight the current cursor text item in data entry forms so that a user can easily notice the current item. Steps to highlight current item 1.   Create a visual att…

Oracle Forms is having its default records filter, which we can use through Enter Query mode to specify some search criteria or to filter records before display, but you can also create your own filter, which can be more user friendly and easy to use…

ID_NULL built in function is used to determine that an object type variable is null or not null in Oracle Forms and returns a BOOLEAN value that indicates whether the object ID is available or not means it is null or not null. Below is the Syntax of…

Check the following 8 Links for best Oracle Forms examples with source code (Fmb files), which will work in any version of Oracle Forms. The examples are given for "Oracle Form's Triggers", "Hierarchical Trees", "Stacked Canvases&…

See also: Why And When To Use Pre-Update and Pre-Insert Triggers In Oracle FormsPre-Update Fires during the Post and CommitTransactions process, before a row is updated in Oracle Forms. It fires once for each record that is marked for update.The foll…

Pre-Query trigger in Oracle D2k / Oracle Forms DescriptionFires during Execute Query or Count Query processing, just before Form Builder constructs and issuesthe SELECT statement to identify rows that match the query criteria.Definition Level form or…

Example is given below to fetch any Oracle objects DDL script using DBMS_Metadata.Get_DDL command in Oracle Forms using Forms_DDL command.   You can download this form for free including source code with following link from Google Drive Dbms_Utility.…

Whenever we commit after entering data in Oracle Forms, many triggers fires during this event and also Pre-Update and Pre-Insert triggers fires just before inserting or updating the record into table. We can write Pre-Update and Pre-Insert triggers o…

Run_Product is used to run Oracle Reports (RDF/REP files) in Oracle Forms. It invokes one of the supported Oracle tools products and specifies the name of the module or module to be run. If the called product is unavailable at the time of the call, F…

Introduction ------------ This document lists the order in which triggers fire in Oracle Forms 4.5: o  The first column, Action, describes the function to be performed     (e.g. deleting a record). o  The second column, Trigger Firing Order, describe…

In this tutorial you will learn to copy the records from one data block to another data block on same form and on a same canvas in Oracle Forms. Below is the screen shot of the form and you can download this form for your reference from the following…

Suppose you want to scan a tabular grid block (loop through all records in detail block) from top to bottom in Oracle forms. You can do this task by using :system.last_record system variable to determine whether it is last record in a block and then…

I wrote this trigger around 4 years ago to handle errors in an application based on Oracle Forms 6i. This trigger handles all errors with some custom messages for some specific errors and not only this after giving an appropriate message to the user…

The example given below for writing text file or CSV using Text_IO package from a tabular block in Oracle Forms.   Suppose there is a tabular grid data block "Job_History" in your forms and you want to write a CSV on click of a button by reading…

Example is given for Pre-Query and Post-Query triggers in Oracle Forms, with using Display_Itembuilt-in in Post-Query triggers to highlight fields dynamically.   This is the screen shot below for this example:   You can also download this form from t…

Suppose you want to check the user permissions on inserting or updating the records in Oracle Forms, then you can use Pre-Insert and Pre-Update triggers for that particular data block to check whether user is having proper permission or not.   The ex…

Play_sound is used to play audio files in Oracle Forms, Play_Sound plays the sound object in the specified sound item.PLAY_SOUND examplesThe following plsql block you can write in when-button-pressed trigger for a push button item, when button clicke…

Get_File_Name is built-in function of Oracle Forms 6i, used to get the file name with address by browsing the file. You can browse a specific extension name file or with multiple extensions using wild cards.   In this example I am showing three diffe…

In Oracle forms when we have two or more blocks and there is a requirement to join them or make a relation between blocks then there are certain types of relation properties available. You will find below the explanation of Master-Detail relation pro…