Difference between Abstract class and interface. || what is abstract class || what is interface || Features of Abstract Classes and interfaces

Hi friends, in this article i will explain about the Difference between Abstract class and interface or what is abstract class or what is interface or Features of Abstract Classes and interfaces.
What is an Abstract class?
Abstract class is a class that cannot be instantiated, it exists extensively for inheritance and it must be inherited. There are scenarios in which it is useful to define classes that is not intended to instantiate; because such classes normally are used as base-classes in inheritance hierarchies, we call such classes abstract classes.

PictureBox in VB.NET/C# || How to display image in windows forms || How to add image in windows form

Hi Friends, in this article I will explain about how to display image in windows forms.         

 First take one web form, 

---

 

File ----> Add New Project ----> Give the name Aspdotnet-kishore ----> OK

Drag and Drop PictureBox into the form from the ToolBox and double click on the form then Form1_Load event is create like below.

Private Sub Form1_Load (ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

Then write the following code in the Form1_Load

 VB.NET Code:

 

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load         Dim img As Image = Image.FromFile("C:\new-star.gif")         PictureBox1.Image = img         PictureBox1.Width = 5000         PictureBox1.Height = img.Width        'PictureBox1.SizeMode = PictureBoxSizeMode.StretchImage         'PictureBox1.Cursor = System.Windows.Forms.Cursors.Hand     End Sub

C# Code:

private void Form1_Load(System.Object sender, System.EventArgs e) {      Image img = Image.FromFile("C:\\new-star.gif");      PictureBox1.Image = img;      PictureBox1.Width = 5000;      PictureBox1.Height = img.Width; }

  

And press Enter.Then the output is like below.

"If you like my blog or articles, you can appreciate by leaving your comments or Liking my Facebook pageAspdotnet-kishore, following on Google+ Aspdotnet-Kishore, Twitter  on AspdotnetKishore, Linked in Aspdotnet-Kishore, stumbling my posts on stumble upon and subscribing on  RSSfeed Aspdotnet-Kishore for free updates directly to your Email inbox . Watch my blog  for more articles." 

 

 

 

 

 

 

 

How to create Mater pages in ASP.NET || What is the use of Master Pages in ASP.NET || How to add Master page to .ASPX page

Master Page in ASP.NET:

Hi friends, in this article i will explain about how to create the master pages in ASP.NET.

What is the use of master pages?

1. It is mainly used to re usability like function. If we write the code in the master page then we can use this page in many pages.

How to add Google Talk Popup to your blog || how to chat with friends using Google Talk || Code for Google Talk || Know about Google Talk || How to add Google Talk Gadget to your blog

  Hi friends, in this article i will explain about how to add Google Talk pop up to your website.

Take one new .ASPX page and add the following code to .aspx page .