Data Provider

Npgsql - .NET Access to PostgreSQL

About

Npgsql is an open source ADO.NET Data Provider for PostgreSQL, it allows programs written in C#, Visual Basic, F# to access the PostgreSQL database server. It is implemented in 100% C# code, is free and is open source.

In addition, providers have been written for Entity Framework Core and for Entity Framework 6.x.

TransactionScope

https://www.codeproject.com/Articles/690136/All-About-TransactionScope
https://codewala.net/2018/02/06/transactionscope-a-simple-way-to-handle-transactions-in-net/

 public Transaction() { }

      ///

No Transaction for Database.

      public const int  None = 1;
      ///

Transaction for Connections Separately.

      public const int Yes = 2;
       ///

    One Transaction for All Connections without connection Transaction.

       public const int  TS = 3;
        ///

   One Transaction for All Connections with connection Transaction.

        public const int TSNT = 4;

Europe

What is the project/achievement you’re most proud of?
https://www.livecareer.com/interview/questions/tell-me-about-an-accomplishment-you-are-most-proud-of
https://www.livecareer.com/interview/questions/describe-an-important-project-you-worked-on

C#

Recursive function  

https://www.youtube.com/watch?v=EpU0opEeP6g
https://www.youtube.com/watch?v=Nl4_jvsDS2Q
Factorial
https://www.youtube.com/watch?v=mW5yo8U5dCs


Convert expression to string

Binary Expression
https://www.youtube.com/watch?v=0YJECE45jhk

Represents an expression that has a binary operator.

Operators that take two operands, such as arithmetic operators (+,-,*,/), are referred to as binary operators.

Delegate
https://www.c-sharpcorner.com/article/how-and-when-to-use-delegates-in-your-project/

https://www.youtube.com/watch?v=ifbYA8hyvjc

Main use of Delegate is communication between two parties ,the main use of delegate is callbacks,callback.

System Scheduler

System Scheduler
https://www.splinterware.com/download/index.html

Eastern Bank Ltd. 

Name: MOHAMMAD NAZMUL HUDA RUBOL CHOWDHURY

Account Number: 1041440270946

Account Number: 1041440270946 

Branch: Gulshan Branch

Account Type: Current and Savings