Course Outline

Macros

  • Recording and editing macros
  • Where to store macros.
  • Assigning macros to forms, toolbars, keyboard shortcuts

VBA Environment

  • Visual Basic Editor and its options
  • Keyboard Shortcuts
  • Optimizing the environment

Introduction to procedural programming

  • Procedures: Function, Sub
  • The data types
  • The conditional statement If...Then....Elseif....Else....End If
  • Instruction Case
  • Loop while, until
  • Loop for ... next
  • Instructions break the loop(exit)

Strings

  • Combining strings (concatenation)
  • Conversion to other types - implicit and explicit
  • Features processing strings

Visual Basic

  • Download and upload data to a spreadsheet (Cells, Range)
  • Download and upload data to the user (InputBox, MsgBox)
  • The declaration of variables
  • The extent and lifetime of variables
  • Operators and their priorities
  • Options modules
  • Create your own functions and use them in a sheet
  • Objects, classes, methods and properties
  • Securing code
  • Security code tampering and preview

Debugging

  • Processing step
  • Locals window
  • Immediate window
  • Traps - Watches
  • Call Stack

Error handling

  • Types of errors and ways to avoid
  • Capturing and handling run-time errors
  • Structures: On Error Resume Next, On Error GoTo label, On Error GoTo 0

Excel Object Model

  • The Application object
  • Workbook object and a collection of Workbooks
  • Worksheet Object and Collection Worksheets
  • Objects ThisWorkbook, ActiveWorkbook, ActiveCell ....
  • Object Selection
  • Collection Range
  • Object Cells
  • Display data on the statusbar
  • Optimization using ScreenUpdating
  • The time measurement by the method Timer

The use of external data sources

  • Using ADO library
  • References to external data sources
  • ADO objects:
    • Connection
    • Command
    • Recordset
  • Connection string
  • Create connections to different databases: Microsoft Access, Oracle, MySQL

Reporting

  • Introduction to the SQL language The basic structure of SQL (SELECT, UPDATE, INSERT INTO, DELETE) Calling a Microsoft Access query from Excel Forms to support the use of databases

Requirements

Ability to work with a spreadsheet, basic knowledge (references, ranges, sheets, ...). No knowledge is required to create macros, SQL, or write code in VBA.

 21 Hours

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