C# - Declaring Events

Events are closely related to delegates, but they are not the same thing. An event allows code to subscribe and unsubscribe using delegate instances as event handlers. The idea is that when an event is raised all the event handlers which have subscribed to the event are called. Just as a property is logically just two operations get and set, an event is also logically just two operations: subscribe and unsubscribe. To declare an event and explicitly write these operations, you use syntax which looks like a property declaration but with add...

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C# - String Literals

C# has two kinds of string literals – the regular ones, and verbatim string literals which are of the form @”text”. Regular string literals have to start and end on the same line of source code. A backslash within a string literal is interpreted as an escape sequence as per shown below. Escape Sequence Result in string \’ Single quote (This is usually used in character literals. Character literals use the same escape sequence as string literals.) \” Double quote \\ Backslash \0 ...

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Simple Scripts and Functions in PowerShell

Turning Commands into Scripts Now we are going to make any commands into scripts for automation. See into above image. Get-WmiObject command is used to get Total size and Free size of computer. Here I hardcoded ComputerName and Drive. So see into below image how I use variables to remove hardcode. Now I am going to add parameters into my script. We can use param() to make our script parameterize. Now we are going...

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Start Scripting with PowerShell

Variables $ is used in PowerShell to create and use variables. First time in Programming, you can use space in variable. You can use latters, numbers, spaces and underscores in variables. Example: $MyVar = 7 ${My Var} = “Test” You can also give Variable type like string, integer. Example:                 [String]$MyName = “Ronak”                ...

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Getting started with PowerShell

The Purpose of PowerShell PowerShell allow you to improve the windows management and helps to improve automation. PowerShell manages real-time commands with large-scale integration. How to install PowerShell PowerShell V3 is comes with Windows Management Framework 3.0 PowerShell V3 is compatible with Windows 8 Windows Server 2012 Windows 7 SP1 Windows Server 2008 R2 SP1 Windows Server 2008 SP2 Download Windows Management...

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C# - Delegates

What is Delegates? In a simple language, as we use in C and C++, a pointer which points to the functions. In C# there is no pointer, but delegates are working as a pointer to function. A delegate is a reference type variable that holds the reference to a method. The reference can be changed at run-time. Use of Delegates When we want to use functionality of Events and Call-backs at that time delegates comes to the picture. Delegates are used to pass methods as arguments to other methods. Event handlers are nothing more than methods that...

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Create Simple Web Service in Visual Studio

STEP 1 : Create a simple Web service When creating a New Project, under the language of your choice, select "Web" and then change to .NET Framework to your choice and you will get the option to create an ASP.NET WEB Service Application. I am naming my WEB Service as MyWebService. Now you can see the "Service1.asmx.cs" file and also a "[WebMethod] HelloWorld()" in it. You can add your methods as I show below. Service1.asmx.cs using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Services; namespace Myservice {    ...

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