What are the different ways to connect database in C#?

3 Answers

  1. 1.ADO.NET. Fastest way, but requires lot of manual coding. You should manually setup database connections, open and close them, create commands, provide parameters to commands and execute commands.
  2. Linq. It’s not way to connect to database.
  3. Entity Framework.

What is database connection in C#?

SqlCommand in C# allow the user to query and send the commands to the database. SQL command is specified by the SQL connection object. Two methods are used, ExecuteReader method for results of query and ExecuteNonQuery for insert, Update, and delete commands. It is the method that is best for the different commands.

What is .NET database connectivity?

In the most simple and easy words, I can say that database connectivity is nothing but an interface, bridge, or a communication medium between your database and your web through which you can manage various applications or functionalities of your web.

How do I create a SQL database connection in C#?

Steps to Establish C# SQL Server Database Connection

  1. Step 1: Create a New Project.
  2. Step 2: Connect.
  3. Step 3: Add Event Handler.
  4. Code.
  5. Code Explanation.
  6. Output.

What are the various methods of connectivity to database in ASP?

The SqlDataSource control enables you to supply a connection to a data source and SQL statements to retrieve and modify data. If you use the LinqDataSource control, create classes to represent the database and tables. You connect the LinqDataSource control to these classes.

What is LINQ SQL in C#?

LINQ to SQL offers an infrastructure (run-time) for the management of relational data as objects. It is a component of version 3.5 of the . NET Framework and ably does the translation of language-integrated queries of the object model into SQL. These queries are then sent to the database for the purpose of execution.

How many types of database connections are there?

A Database Connection object provides a convenient way of storing the connection details of a live database. Enterprise Architect supports the definition of three different connection types: MS Access.

How do database connections work?

A database connection is a facility in computer science that allows client software to talk to database server software, whether on the same machine or not. A connection is required to send commands and receive answers, usually in the form of a result set.

What is OLEDB in C#?

OLEDB is Object Linking and Embedding Database system and set of groups of APIs which are used to facilitate and abtract access to application data of different file formats including spreadsheets, structured query language based database management systems, indexed-sequential files and personal databases.