C# Left Example Syntax | C-Sharp String Method | Source Code
C# Left Example Syntax | C-Sharp String Method | Source Code
Purpose: – Illustrates the C# Syntax for Left.
Step 1: Click on C# to Cut-n-paste code into clsLeft.cs
using System; public class clsLeft { public void Main() { //**************************************************************************************** // Purpose: Returns a string containing a specified number of characters from the left // side of a string. // // Syntax: Left(str As String, Length As Integer) As String // // str - Required - String expression from which characters will be returned. // Length - Required - Specifies number of characters to return. //**************************************************************************************** Console.WriteLine("Example #1: Left(str As String, Length As Integer) As String"); Console.WriteLine("Ideal Programmer".Substring(0, 5)); // Returns Ideal //write blank line to make output easier to read Console.WriteLine(); //Prevent console from closing before you press enter Console.ReadLine(); } } |
Step 2: Click on C# to Cut-n-paste code into Program.cs
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace CSharp_Syntax { class Program { static void Main(string[] args) { clsLeft myLeft = new clsLeft(); myLeft.Main(); } } } |
Prerequistes:
- Install C# (Express or Standard Edition)
- Install SQL Server Express
- Download Northwind and pubs Database
- Attach Northwind Database to Databases in Sql Express
- Attach pubs Database to Databases in Sql Express
Notes:
- Console Application is used to simplify things, but Windows Forms or Web Forms could also be used
- You can build a library of syntax examples by using same project over and over and just commenting out what you do not want to execute in Program.cs
Instructions:
- Use C# 2010 Express or Standard Edition
- Create new project;
- Click File/New Project
- Select Console Application Template
- Select C# for Language
- name of project could be CSharp_Syntax.
- Add New folder named “StringManipulation”
- Right-click project name in solution explorer;
- add new folder;
- name of folder could be: StringManipulation
- Add Class Named clsLeft to StringManipulation folder
- Right-click StringManipulation folder;
- add new item;
- Select class
- Class name could be clsLeft
- Click on C# in code in step 1 at top of page to copy code into clsLeft.cs
- Click on C# in step 2 at top of page to copy code into Program.cs
- Click green arrow or press F5 to run program