1st Lecture

1st Lecture

.net - a framework software development platform to develop high scale application consist of 2 components

BCL stands for Base Class Library. It is collection of classes which use to develop applicwation.

CLR stands for Common Lnaguage Runtime.It is an engine which execyte the application made by BCL.

using .net framework we can create diff types of APPS.

like Console apps windows\desktop web applications\sites windows services mobile applications

Windows applications or desktop applications

when u have opnd vsl stdo edtr

to crte app

.click file new project

.select language

.type of appplication

.click ok

to run app form press f5 or run button.

open toolbox step cntrl+alt+x\icon with hammer

this means form

for design window click design button

.this.close(); means form close

.this.BackColor=Color."ColorName" to change color

.MessageBox.Show("Any Message"); to display any message

.diff visual elements are known as controls

.int a=Convert.Toint32(textbox1.text;

int b=a*a*a;

textBox2.text=Convert.ToString(b);

to convert a string to int and an int to string

steps to add a new form in current app

.open solution explorer ctrl+alt+l

.in solution explorer right click application

.add>select window form

how to change

.open solution explorer>open Program.cs file>change name of form

application to add two numbers

"label is used to showsome descriptive text"

int a=Convert.toint32(textbox1.text);

int b=convert.toint32(textbox2.text);

int sum=a+b;

textbox3.text=convert.tostring(sum);

this.close();

how to change forms title

.select form>open properties click f4>change text properties

text

maximise

form border size

click on the thing whose properties u want to change

radio button coding

if(radioButton1.Checked==true)

{

Messagebox.Show("text");

}

else if(radioButton2.Checked==true)

{

MessageBox.Show("text");

}