Visual Basic or VB.NET variables exercises
- Visual Basic or VB.NET variables exercises Exercise 1: Write VB.NET code to declare a variable to store the age of a person. Then the output of the program is as an example shown below.
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- Visual Basic Projects, Visual Basic Examples, Visual Basic Source Code Search form Visual Basic is a third-generation event-driven programming language and integrated development environment (IDE) from Microsoft for its COM programming model first released in 1991.
- VB.NET examples for Excel add-in developers. How to develop plug-ins for Excel 2019, 2016, 2013, 2010, Excel 2003 - 2000 command bar buttons in Visual Basic.NET.
Exercise 1: Write VB.NET code to declare a variable to store the age of a person.
Then the output of the program is as an example shown below:You are 20 years old.
ADO Code Examples in Visual Basic.; 2 minutes to read; r; D; M; c; C; In this article. Use the following code examples to learn how to use the ADO methods, properties, and events when writing in Visual Basic.
Solution:
Module Module1
Sub Main()
Dim age As Integer = 20 'declaring variable and assign 20 to it.
Console.WriteLine('You are ' & age & ' years old.')
Console.ReadLine()
End Sub
End Module
Exercise 2:Write VB.NET code to display the asterisk pattern as shown below:
*****
*****
*****
*****
*****
Solution:
Visual Basic 2010 Code Samples
Module Module1
Sub Main()
Console.WriteLine('*****')
Console.WriteLine('*****')
Console.WriteLine('*****')
Console.WriteLine('*****')
Console.WriteLine('*****')
Console.ReadLine()
End Sub
End Module
Exercise 3: Write VB.NET code to declare two integer variables, one float variable, and one string variable and assign 10, 12.5, and 'VB.NET programming' to them respectively.
Then display their values on the screen.Solution:
Module Module1
Sub Main()
Dim x As Integer
Dim y As Single
Dim s As String
x = 10
y = 12.5F
s = 'I like VB programming.'
Console.WriteLine(x)
Console.WriteLine(y)
Console.WriteLine(s)
Console.ReadLine()
End Sub
End Module
Exercise 4: Write VB.NET code to prompt a user to input his/her name and then the output will be shown as an example below:
Hello John!
Visual Basic 2017 Code Examples
Solution:
Module Module1
Sub Main()
Dim name As String
Console.Write('Please enter your name:')
name = Console.ReadLine()
Console.WriteLine('Hello {0}!', name)
Console.ReadLine()
End Sub
End Module
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Brev That was bad. Could have used loops for Exercise 2. Exercise 3 could have been set the variable on 1 line rather than using 2 lines for each. Also when using the console application you should have used Console.ReadKey() so that the user/dev could actually have the console window up and read what is there. Exercise 5 was the only decent one however still pretty bad. 2017-03-15 |
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VB.NET Excel examples
On this page you will find a set of HowTo samples that can help you to get started with add-in development for Excel 2019, 2016, 2013, 2010 and lower:
And here are a few more VB.NET examples for other applications of the Microsoft Office 2019 - 2000 suite:
Excel extensions: COM add-in, RTD server
How to develop a COM add-in for Microsoft Office (Excel, Word and PowerPoint)
This sample shared COM add-in for Excel, Word and PowerPoint shows how you can use Add-in Express for Office and .net to add custom command bars and command bar controls, place new controls onto Office Ribbon tabs, create custom task panes, handle application-level events and more.
Download COM addin
Visual Basic Codes Pdf
How to customize Microsoft Excel ribbon and toolbar
Visual Basic 2017 Code Samples Pdf
See how to create custom ribbons and toolbars for Excel and how to integrate with an existing Excel tab.
Download add-in
How to customize Excel main menu, context menus and Backstage view
VB.NET sample shows how to create a custom context menu for Excel 2019, 2016, 2013, 2010, 2007 and lower; how to add your own Backstage view item and how to customize the main menu in Excel 2003 - 2000.
Download sample
How to build your first Excel RTD server in VB.NET
See how to build an RTD server step-by-step in the Developer's Guide. The RTD server project is written in Visual Basic .NET. See also a video showing how to create an RTD server.
Download RTD server
Working with Excel Object model
How to handle the WorkbookBeforeSave event
How to create a custom event when Excel calculation mode changes
This VB.NET Excel addin example provides a solution for missing event that should occur then the user changes the calculation mode.
Download addin
How to find the last used cell (row or column) in Excel
This Visual Basic sample explains some reliable methods for finding the last used cell in an Excel worksheet or a range.
Download Find Last Cell add-in
How to populate Excel workbooks and ranges with arrays
VB.NET code example shows how to use arrays to populate Excel with data; how to fill array with a query or range and insert into a worksheet, and more.
Download Populate with Arrays add-in
How to work with Excel tables & ranges using VB.NET
This sample Excel addin demonstrates how work with tables and ranges: create a new table or a range, insert a column or a row, sort, filter and more.
Download Excel Tables and Ranges add-in
How to work with Excel pivot tables
VB.NET code example shows how to automate pivot tables in Excel: create a PivotTable, add calculated fields, display or hide a field; delete, refresh or clear a pivot table; create a pivot chart and more.
Download Excel PivotTables Add-in
Advanced Excel Task Panes
How to show and hide Excel Task Panes programmatically
This Visual Basic .NET Excel sample demonstrates how to set the visibility of an advanced task pane to make it show up from the command bar.
Download VB.NET sample
How to switch between several task panes programmatically
Visual Basic Sample Projects
This addin shows how you can use several custom task panes in one position and switch between them programmatically.
Download example
Visual Basic 2017 Code Samples Download
How to show an advanced Excel task pane dynamically
The Excel VB.NET add-in shows how to build a context-dependent custom task pane. The plug-in shows a task pane when cell A1 contains any value.
Download plug-in
How to re-size an Excel task pane in VB.NET
This Visual Basic .NET example shows how you can resize your custom form using Advanced Task Panes for Excel 2019 - 2000. To change the form size programmatically, you set the splitter to none. Otherwise, only the user can resize the task pane using the splitter.
Download sample plugin
User-defined functions
How to develop Excel Automation add-in
See how to create Excel Automation add-ins step-by-step in the Developer's Guide. The sample is written in VB.NET.
Download Automation add-in
How to develop XLL add-in
This sample project demonstrates how you can build an XLL addin in Visual Studio. You can find a detail description of this example in the Developer's Guide: How to create an XLL add-in.
Download XLL addin
Note. You can find plenty more HowTo examples on our technical blog. Be sure to check it out, we add new HowTo samples every week.