The document provides an overview of various programming concepts and constructs in C#, including control flow statements (if-else, switch-case), loops (for, foreach, while, do-while), data types, and array manipulation. It also discusses string manipulation methods, class structures, error handling, and the use of comments in the code. Additionally, there are references to documentation resources for further programming help.

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Namespace If Else
using Namespace; if(expression)
{
Data Types <statement 1>;
byte,sbyte,int,uint,short,ushort,long,ulong,float,double,decimal,bool,char,string, }
object else
{
Variable Declaration <statement 2>;
public | protected internal | protected | internal | private <type> As }
<variable_name>
C# version of IIF()
Type Declaration variable == ?true:false;
public | internal | private <variable><suffix>
For Loop
Suffixes for(statement)
f -float, l,L - long, No double suffix, U,u - unsigned {
<statement>;
Arrays }
<type>[] <name> = new <type>[ArraySize];
For Each Loop
Initialize Array foreach(<variable> In <object>)
<type>[] <name> = new <type>[ArraySize] {<value1>, <value2>, ... , <valueN>}; {
<statements>;
Change Size of Array [break];
<type>[] <name> = new <type>[ArraySize]; [continue];
Array.Resize<type>(ref <name>, <size>); }
Comments While Loop
//Comment text while(<expression>)
Multi-line comments {
/* This is commented */ <statement>
}
XML Comments
Press the / (forward slash) key 3 times. Do-While Loop
do
Line Continuation {
string strtext = @“To break a long string across multiple lines, <statement>;
end the string, add the line continuation character } while <expression>;
and continue the string on the next line.”;
Select Case Statement
Arithmetic Operators switch(<expression>)
+ (Addition), - (Subtraction), * (Multiplication), / (Division), % (Modulus) {
case <literal or type>:
String Concatenation <statement>;
+ <break>;
case <literal or type>:
Relational Operators <statement>;
< (Less Than), <= (Less Than or Equal To), > (Greater Than), >= (Greater Than <break>;
or Equal To), == (Equal To),! = (Not Equal To), is, as '
'
Logical Operators default:
& (And), | (Or), ^ (Xor),&& (AndAlso), || (OrElse) <statement>;
<break>;
Assignment Operators }
= (Equals), += (Addition), -= (Subtraction), *= (Multiplication), /= (Division), %=
(Modulus), &= (And),|= (OR), ^= (Exclusive OR), <<= (Left Shift), >>= (Right Function Structure
Shift), ?? <private, public, protected, internal> [static] <ReturnType>
<Function_Name>([Parameters])
String Manipulation {
.Substring(<start>,[<length>]) //body of the function;
.Trim() <trims from beginning & end of string> return <ReturnType>;
.TrimEnd([<char array>]) }
.TrimStart([char array])
.ToLower() <to lower case> Sub Procedure Structure
.ToUpper() <to upper case> <private, public, protected, internal> void <method_name>([Parameters])
.Replace(<find>,<replace>) {
.Equals(<expression>) <6 available overloads> //body of the procedure;
.Contains(<string>) }
.Join(<seperator>,<value>,[<count>])
.Compare(<string1>,<string2>,[<ignore case>]) <7 overloads available> Class Structure
.Copy(<string>) public class <Class_Name>
{
Error Handling //body of class
try }
{
//<statements that may cause an error>; public
} 'method_prototypes
catch(Exception ex) 'data_attributes
{ private
//<statements to use when an error occurs>; 'method_prototypes
} 'data_attributes
finally internal
{ 'method_prototypes
//<statements to use no matter what happens> static
} 'method_prototypes
'data_attributes
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Edited By:PsychoCoder, Martyr2
Published: October 9, 2007