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Lotus Domino Designer 8: Formula Language
Lotus Training Overview

During this course you will extend your knowledge of the formula language used in Domino applications for both Notes and Web browser clients.

This course doesn't simply regurgitate the Help--it shows you how to do some really interesting and important things in Notes/Domino that just happen to use the formula language. It is not, therefore, a detailed compendium of formula language calls and syntax. Instead, this course focuses on the strategy of using @Functions and @Commands to solve the pivotal issues faced by Domino developers.

Lotus Training Course goals



In this course, you will learn how to: This course will teach you how to:

  • extend your knowledge of the formula language
  • build your understanding of data validation and error trapping
  • provide extensive programming and debugging experience to ensure mastery of key @Functions and @Commands
  • use @Functions to operate on multi-value variables and Fields
  • describe how to conditionally execute code based on document state and user identity
  • explain data inheritance and inter-document relationships
  • show how to use well-known locations to store configuration information
  • show how to interact with users with prompts and dialog boxes
  • use mail to send documents between databases.
Lotus Training Audience

This course is designed for Notes programmers well versed in using Domino Designer 8. It assumes that you have:

  • thorough knowledge of the Domino Designer development environment, including Form and View design, as well as how to use properties boxes, and how to set the ACL
  • mastered the topics covered in Domino Designer 8: Basic Notes Applications.
Though not required, experience in any computer programming or application scripting language (including spreadsheet formulas) is helpful in understanding how to maximize the use of the formula language.

This course is part of a series of Domino Designer 8 training courses. Follow these paths to master all aspects of developing applications using Domino Designer:



Domino Designer 8: Basic Notes Applications provides the base knowledge for this additional training:


Client Track

  • Configure Domino to use DB2 as a database engine and build applications that access relational data, DB2 for Domino 8 Administrators and Developers.
  • Specialize in programming Notes applications to respond to built-in user interface features, Domino Designer 8: Special Notes Features.
  • Convert an application written for Notes clients to be used in browsers, Domino Designer 8: Basic Browser Applications.
  • Provide data to cutting-edge Web applications, Domino Designer 8: Web Agents and Web Services.
Language Track. These languages apply to both Notes and browser clients:

  • Learn sophisticated application techniques that fully exploit the formula language in Domino Designer 8: Formula Language.
  • Develop sophisticated applications and Agents with LotusScript in Domino Designer 8: LotusScript.
  • Add powerful client-side scripting to browser applications in Domino Designer 8: JavaScript.
Course design

This lecture-lab course involves significant hands-on coding experience using the formula language. It only peripherally explores the principles of programming and does not attempt to cover every option of every function.

Lotus Training Course duration

2 days

Lotus Training Course outline

    Topic 1: Using the Formula Language

      Programming languages used in Domino
      Advantages of the formula language
      Object model programming
      Where to use the formula language
      Event code interplay
      Formula results
      Ancillary event triggers
      Exercise: Create non-replica copy of DDFL8 Demo
      Exercise: Formula return values quiz

    Topic 2: Variable and Field Assignment

      Valid variable and Field names
      Temporary variables
      Self-referential Field events
      @ThisName and @GetField
      Exercise: @ThisName and @GetField
      Set Field values
      Append temporary variable and Field values
      Formula context
      Exercise: Formula context
      Reserved and internal Field names
      Exercise: Printer-friendly display I
      Exercise: Printer-friendly display II

    Topic 3: Formula Toolbox

      Matching and equivalence
      String matching
      String parsing
      String replacement
      Random number
      Time/date functions
      Data type conversion
      Exercise: Data type conversion
      Data testing
      DEFAULT keyword

    Topic 4: Multi-Value Variables and Fields

      What is a multi-value list?
      Multi-value operations and functions
      Convert single-value list to multi-value list
      Convert a multi-value list to a single-value list
      Element count
      Select a value from the list
      Exercise: @Subset and @Implode
      Pair-wise and Permutation operators
      Determine if a value is in the list
      Replace an item in the list
      Minimum and maximum value
      Compare ASCII values
      Sort a list
      Sum a list of numbers
      Exercise: Sum a list of numbers
      Date range
      Dynamic tables
      Looping functions
      @For loop
      Reuse temporary variables
      @While loop
      Exercise: @While
      @DoWhile loop
      @Transform
      @Nothing
      @Select and @Word

    Topic 5: Conditional Evaluation

      Single @If with multiple conditions
      @Select
      Multiple actions using @Do
      Aborting execution with @Return
      Multiple @If statements
      Conditional save and close
      Conditional evaluation based on document state
      Exercise: Document state
      Conditional evaluation based on user identity
      Exercise: User rights

    Topic 6: Data Inheritance

      Configure inheritance
      Inheritance caveats
      Conditional inheritance
      Exercise: Inheritance
      Require inheritance
      Disallow pasted documents
      Inherit Rich Text
      "Inheritance" across databases

    Topic 7: Database Lookup

      @NameLookup
      @Db function overview
      Where to use lookup functions
      Lookups and security
      @DbColumn Function
      Static Field lists
      External Field lists
      Exercise: @DbColumn
      @DbLookup function
      @DbLookup parameters using Notes
      Error trapping
      Exercise: @DbLookup
      Create unique keys
      Return values from multiple source documents
      Return multiple values from single source document
      Document refresh issue
      Limit when lookup is performed
      Overcome return data size limits
      General lookup performance tips

    Topic 8: Document Relationships

      When to use Response documents
      Design Response document Form
      Create Response document
      Response document internals
      Creating the response hierarchy after the fact
      ComposeWithReference
      ComposeWithReference flags
      Another way to relate documents
      Primary key relationship
      Field reference by document UNID
      Exercise: Document ID relationship
      Lookup versus direct Field reference
      One-to-many relationships
      Updating related documents
      "Doclink" to parent

    Topic 9: Well-Known Locations

      Well-known location mechanisms
      Local NOTES.INI access
      Environment function syntax
      Environment restrictions
      Environment read/set sequence
      Exercise: Environment variable
      Reading the Windows Registry
      Lookups
      Profile documents
      Profile documents and security
      Create Profile document
      Read from Profile document Fields
      [NoPersist] option
      Exercise: Profile document

    Topic 10: User Prompts

      @StatusBar
      Where you can prompt users
      Using the data from prompts and picklists
      @Prompt syntax
      Password prompt
      Directories
      File prompts
      Exercise: @Prompt
      @PickList syntax
      Exercise: Picklist
      Limitations of prompts and picklists
      Execution by temporary variables
      Preview pane caveat
      Where to call @Dialogbox from
      @DialogBox syntax
      @Dialogbox caveats
      Exercise: Dialog box
      Optional dialog box keywords
      Button type
      Which dialog box to use?

    Topic 11: Mail Documents

      Copying versus mailing documents to other databases
      Mail mechanisms
      SendTo value
      Mailing to a person in your Domino Domain
      Mailing to a person in another Domino Domain
      Mailing to Internet email address
      Mailing to a group
      Mailing to a Mail-In Database
      Sequence of Group and Mail-in Database resolution
      Mail triggers
      Trigger 1: Form property
      Trigger 2: MailOptions Field
      Trigger 3: @Command([MailSend])
      Trigger 4: @MailSend without parameters
      Exercise: @MailSend without parameters
      @MailSend and scheduled Agents
      Trigger 5: @MailSend with parameters
      Mail-related reserved/system Fields
      SaveOptions Field
      $AssistMail Field
      Fields added by the system
      Exercise: @MailSend with parameters
      User Mail functions
      User Mail commands
      Ensure documents are mailed only once
      Mail-in database programming
      Store Form in document property
      Three mail-enabled application models
      Resolve duplicate documents

 
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