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VB.Net Group

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This page is the VB.Net Group home page (summary page).

VB.Net Language

Microsoft Visual Studio.net with a focus on the VB.Net language (WebForms/ASP.Net & WinForms).

About the VB.Net Language
The Visual Basic.Net language is a type-safe and object-oriented language built on the traditional basic language. It allows developers to create a wide range of Windows, Web, mobile, and Office applications ASP NET Imagebuilt on the .NET Framework.

VB.Net Content!
Chat!
VB.Net Board:
Posts =  14
Threads =  6
Unanswered =  1
Topics =  1
Research!
VB.Net KB:
Articles =  14
10 Min Starts =  3
Code =  47
Translate!
To/From Code:
Topics =  50
Code =  660
Study!
eCertified:
Beg Q. =  16
Int Q. =  8
Adv Q. =  5

What's happening now! VB.Net Group!

(New, updated, and unanswered.)

New: All Post Types

Message board, knowledge base, article comments, blogs, news, etc.
  Title Type Topic
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16
Hits
 1. ASP.NET Cheat Sheet
Here's some copy-and-paste code that I use weekly.  Bookmark it and save yourself hours!
7/19/2010, 5:34:16 PM
KB Post 		WebForms (ASP.Net)  
More...

New: VB.Net Message Board Posts
Go To: VB.Net Message Board
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495
Hits
 Editing pdf files with VB or VB.net
I want to edit the text boxes and check boxes in PDF files with VB, using data from a database and user input.What methods or tools would you suggest? Is there a straightforward way to find the locati...
0New!
4/3/2009
 VB.Net Coding
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718
Hits
 Dictionary Hebrew/English
I am a beginner in Visual Basic 2005. I have been working on a Hebrew-English dictionary. I used the "If" statement and then the "Select Case" statement but as ...
1
You don't mention where the dictionary words come from (a file?), but it sounds like you are trying ...
12/5/2008
 VB.Net Coding
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911
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 Vb .net connecting to terradata dbase
Hi does anyone know of any ado .net that can connect to a terradata dbase.I havent tried it yet but I'm not sure sqlclient will work.Terradata is a mainframe db...
3
Thanks Dan. That's probably a better one.
12/31/2008
 VB.Net Coding
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837
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 javascript and vb .net
Hi! how can I invoke a javascript function in vb .net winforms?I'm using the webbrowser control.
1
you need to render out a call to the function in the html. If you have access to the page object of ...
1/12/2004
 VB.Net Coding
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Unanswered: VB.Net Message Board

 Thread StarterReplies Last Post Topic
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495
Hits
 Editing pdf files with VB or VB.net
I want to edit the text boxes and check boxes in PDF files with VB, using data from a database and user input.What methods or tools would you suggest? Is there a straightforward way to find the locati...
0New!
4/3/2009
 VB.Net Coding
More...

New: VB.Net Knowledge Base Posts
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    KB Article KB Topic
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85
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KB Post		 1. ASP.NET Cheat Sheet

Here's some copy-and-paste code that I use weekly.  Bookmark it and save yourself hours!

7/19/2010
WebForms (ASP.Net)
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485
Hits
Link		 2. Telerik Extensions for ASP.NET MVC - Free http://www.telerik.com/products/aspnet-mvc.aspx?utm_source=CodeProjectNewsletter&utm_medium=banner&utm_campaign=MVC_Jan15
1/29/2010
Tool Basics
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934
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Code		 3. VB.Net Empty String Check (String.IsNullOrEmpty)

The .Net framework offers a static method in the string class: String.IsNullOrEmpty.

10/3/2009
VB.Net
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964
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Code		 4. VB.Net Polymorphism
3/14/2009
OOP
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New: To/From Code
Go To: VB.Net To/From Guides

Code Snippets

  Code Snippet Created
1. Comments 1/1/2009
2. Left of Substring 1/1/2009
3. Prevent Derivation 1/1/2009
4. Abstraction 1/1/2009
5. End of Statement 1/1/2009
6. Case Sensitivity 1/1/2009
7. Literals 1/1/2009
8. Variables 1/1/2009
9. Assignment 1/1/2009
10. String Cancatenation 1/1/2009

Topics

  Topic Category Created
1. Array Data Structures 3/20/2010
2. Comments Language Basics 1/1/2009
3. Left of String Commands 1/1/2009
4. Prevent Derivation OOP Details 1/1/2009
5. Abstraction OOP Details 1/1/2009
6. End of Statement Language Basics 1/1/2009
7. Case Sensitivity Language Basics 1/1/2009
8. Literals Language Basics 1/1/2009
9. Variables Language Basics 1/1/2009
10. Assignment Operators 1/1/2009

New: eCertified Study Questions
Go To: eCertified
Question Level Type Based on KB Post KB Topic
Given the following ... 3 MC VB.Net Finalizer (Finaliz... OOP
The method name of a constructor is? 2 MC VB.Net Constructors (New) OOP
If you do not create a developer defined... 2 YN VB.Net Constructors (New) OOP
Which answer best describes VB.Net's sup... 3 MC VB.Net Shared Members (Sh... OOP
What is the correct syntax for class inh... 2 MC VB.Net Inheritance (Inher... OOP
What are the logical operators? 1 MC VB.Net Logical Operators Language Basics
In .Net, a string can be null or empty. ... 1 TF VB.Net Empty String Check... VB.Net
Which code statement is the correct use ... 1 MC VB.Net Comparison Operato... Language Basics
Which statement is the correct syntax to... 1 MC VB.Net Assignment (=) Tool Basics
What is the correct syntax for an if sta... 1 MC VB.Net If Statement (If..... VB.Net

Weekly VB.Net Lesson
[Print Lesson]

Week 35, Posted Monday 8/30/2010

Content changes every Monday @ 1AM!! Check back once per week. Learn! Review! Test Yourself!

FAQ of the Week
Question:

How do you launch a Windows application in VB.Net? How do I open the default browser to a specific URL?

Answer: 
'Launch a Windows application.
System.Diagnostics.Process.Start("notepad.exe")
 
'Or just...
Process.Start("calc.exe")
 
'Open a website with the default browser.
System.Diagnostics.Process.Start("http://www.prestwood.com")
 Tip of the Week

None This Week
Code Snippet of the Week
Associative Arrays in Visual Basic (a Dictionary)

An associative array links a set of keys to a set of values. In Visual Basic, associative arrays are implemented as Dictionaries.

This code produces a message box saying "Nevada."

Imports System.Collections.Generic


Protected Sub Button1_Click(ByVal sender As Object,
ByVal e As System.EventArgs) Handles Button1.Click
        Dim States As New Dictionary(Of String, String)

        States.Add("CA", "California")
        States.Add("NV", "Nevada")
        States.Add("OR", "Oregon")
        MsgBox(States("NV"))
End Sub
 Definition of the Week

None This Week
Link of the Week
Telerik Extensions for ASP.NET MVC - Free

Telerik is one of the leading makers of components for .NET programmers, so it's a pleasant surprise to see them offering a set of extensions for Microsoft's ASP.NET Model/View/Controller (MVC) framework.

This set of extensions includes a Grid, PanelBar, TabStrip and Menu.

These extensions are offered under GPLv2.

 File of the Week

None This Week

Lastest VB.Net Flashcard

Our flashcards are part of our library of tidbits.

Tidbits are FAQs, Definitions, Tips, and Code Snippets from our knowledge base.

VB.Net Empty String Check (String.IsNullOrEmpty)

The .Net framework offers a static method in the string class: String.IsNullOrEmpty.

 
Dim s As String 
  
's = "" 'Uncomment to test 2nd case.
  
If String.IsNullOrEmpty(s) Then
  MessageBox.Show("hello")
End If
Posted By Mike Prestwood, Post #102045, KB Topic: VB.Net
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