LINQ Left Join Example using C# Example

Today, We want to share with you LINQ Left Join Example using C# Example .In this post we will show you How to use Left Join in C# Linq, hear for c# linq left join multiple conditions we will give you demo and example for implement.In this post, we will learn about Inner Join, Cross Join and Left Outer Join With LINQ to SQL with an example.

LINQ Left Join Example using C# Example

There are the Following The simple About linq left join LINQ Left Join Example using C# Example Full Information With Example and source code.

As I will cover this Post with live Working example to develop LINQ Tutorial – LINQ to SQL Left Outer Join, so the some major files and Directory structures for this example is following below.

  • linq left join – Program.cs
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LINQ Left Join Example using C# Example

Program.cs

This is where I will make a simple Let us Below Learn this with an example withsource code for our web application. To make the forms simply all souce code copy and write it into your any text editor Like Notepad++, then save file it as select File -> New -> Project-> Program.cs.

//Example of the linq left join
class Program
{
    static void Main(string[] args)
    {
        List memberList = new List
        {
            new Member{MemberID=1, MemberNm="Jaydeep Gondaliya"},
            new Member{MemberID=2, MemberNm="Krunal Sisodiya"},
            new Member{MemberID=3, MemberNm="Ankit Kathiriya"},
            new Member{MemberID=4, MemberNm="Talpada Milan"},
            new Member{MemberID=5, MemberNm="Chirag Dethariya"}
        };

        List memberSalaryPositions = new List{
            new Position{PositionID=1, MemberID=1, PaymentMode="Cheque"},
            new Position{PositionID=2, MemberID=5, PaymentMode="Credit"},
            new Position{PositionID=3, MemberID=1, PaymentMode="Cash"},
            new Position{PositionID=4, MemberID=3, PaymentMode="Cheque"},
            new Position{PositionID=5, MemberID=5, PaymentMode="Cheque"},
            new Position{PositionID=6, MemberID=4, PaymentMode="Cash"}
        };
    }
}

public class Member
{
    public int MemberID { get; set; }
    public string MemberNm { get; set; }
}

public class Position
{
    public int PositionID { get; set; }
    public int MemberID { get; set; }
    public string PaymentMode { get; set; }
}
}

Now I Learn To Left Outer Join between the Member and Position collection

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var orderForMembers = from ml in memberList
            join ordr in memberSalaryPositions
            on ml.MemberID equals ordr.MemberID
            into a
            from b in a.DefaultIfEmpty(new Position())
            select new
            {
                ml.MemberID,
                Name = ml.MemberNm,
                b.PaymentMode
            };

foreach (var item in orderForMembers)
    Console.WriteLine(item);

Console.ReadLine();

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