Shekh Ali - A Blog About .NET Technologies

February 25, 2021February 25, 2021

Generics in C# .NET With Examples

In this article, we are going to talk about the use of Generics in C# with examples.

What is Generic in C#

Generic in C# was introduced in.NET Framework 2.0, it is basically enhancement of collection which makes our code type independent so that we can reuse our code with different data types.

For example, List in C# is a generic collection that can be used with the different data type, such as List<int>, List<float>, List<string>, or List<Employee>

Generics in C# belongs to System.Collections.Generic namespace which contains several generic-based collection classes. Continue reading “Generics in C# .NET With Examples”

August 2, 2020August 2, 2020

Properties In C# with examples

In this article, we are going to talk about the use of properties in C# with examples.

What are the Properties in C#

A Property in C# is an extension of a field that provides a public way for the classes to read, write, and expose the private fields while hiding the implementation details.

Properties in C# are actually a special kind of getter and setter methods wrapped around a private variable. A get property accessor is used to retrieve the value and the set accessor is used to assign the new value.

( get : Retrieve set : Assign)

Property Syntax in C#

Continue reading “Properties In C# with examples”

June 23, 2020June 23, 2020

var keyword in C#-Restrictions and Advantage of using var variable

In this article, we will understand the var keyword in C#.

var keyword in C#

The var keyword was introduced in C# 3.0 to declare an implicitly typed of local variable to hold any type of data.
In implicitly typed variables, the type of the variable declared is decided by the compiler at the compile-time based on the type of the value that the variable is initialized with.
The variable declared as var is mandatory to initialize at the time of declaration.

The following are the implicitly and explicitly typed variables declaration in C#.

Continue reading “var keyword in C#-Restrictions and Advantage of using var variable”

June 5, 2020June 9, 2020

Primary Key Constraint In SQL Server

What is the primary key in SQL Server?

In SQL Server, a Primary Key is a field or column which uniquely identifies each and every record in a table.

- A primary key column doesn’t allow to insert null or duplicate values.
- A Primary key can consist of up to 16 columns.
- A table can have only one primary key which can be applied on single or multiple columns.
- The primary key consist of multiple columns or fields is known as the Composite primary key.
- A Primary Key constraint can be applied to the columns having any data types.
- A primary key by default creates a clustered index on the column.

A primary key can be created at the column or table level.

Primary Key Constraint in SQL Server — *Primary Key Constraint* in SQL Server

Syntax to create a primary key

The following are the syntax to create a primary key in SQL server.

Continue reading “Primary Key Constraint In SQL Server”

May 31, 2020July 4, 2020

Generic Delegates in C# With Examples

In the previous article, we have learned about the delegates and their types. Now in this article, we are going to discuss the generic delegates in C#.