By Using LINQ we can read distinct values….LINQ: Read Distinct Record from Data Table

  1. public JsonResult getEmpCity()
  2. {
  3. using (CompanyDBEntities dc = new CompanyDBEntities())
  4. {
  5. var query = (from p in dc. Emp_Information.
  6. select p. City). ToList();
  7. return new JsonResult.
  8. {

How to use Distinct in LINQ in c#?

C# LINQ Distinct Example

  1. string [] employeesNames = { “Asutosh” , “Kapil” , “Sumit” , “Rajat” , “Preeti” , “Sumit” , “Kanupriya” , “Kapil” };
  2. var distinctEmployees = employeesNames.Distinct();
  3. foreach (var name in distinctEmployees) {
  4. Console.WriteLine(name); }

How do you select distinct by one column in LINQ?

var query = (from r in table1 orderby r. Text select r). distinct();

How to get Distinct values from list in LINQ c#?

There are few possible ways to accomplish this and these are:

  1. Option 1: Using a combination of LINQ GroupBy and Select operators:
  2. Option 2: Using a combination of LINQ Select and Distinct operators:
  3. Option 3: Using the IEqualityCompare interface:
  4. Option 1: Using GroupBy and Select operators.

What is distinct in C#?

The Distinct(IEnumerable) method returns an unordered sequence that contains no duplicate values. It uses the default equality comparer, Default, to compare values. In Visual Basic query expression syntax, a Distinct clause translates to an invocation of Distinct.

How do I select distinct in Entity Framework?

Try this: var results = (from ta in context. TestAddresses select ta.Name). Distinct();

What is distinct () in C#?

The Distinct(IEnumerable) method returns an unordered sequence that contains no duplicate values. It uses the default equality comparer, Default, to compare values. To compare a custom data type, you need to implement this interface and provide your own GetHashCode and Equals methods for the type.

What is distinct MVC?

The Distinct extension method returns a new collection of unique elements from the given collection.

Why distinct is not working in Linq?

LINQ Distinct is not that smart when it comes to custom objects. All it does is look at your list and see that it has two different objects (it doesn’t care that they have the same values for the member fields). One workaround is to implement the IEquatable interface as shown here.

How does Linq distinct work?

The Distinct() method works the same way as the DISTINCT directive in SQL. It returns a new sequence containing all the elements from the target sequence that are distinct from each other, as determined by the default equality comparer for the data type of the sequence.

What is distinct method in C#?

What is a distinct entity?

What Is a Distinct Business Entity? A distinct business entity is a division or sub-division within a company that operates autonomously and typically focuses on a unique product or service. For accounting purposes, a distinct business entity is considered a separate entity with its own records and transactions.

What are the advantages of using LINQ?

Advantages of Using LINQ. LINQ offers the following advantages: LINQ offers a common syntax for querying any type of data sources. Secondly, it binds the gap between relational and object-oriented approachs. LINQ expedites development time by catching errors at compile time and includes IntelliSense & Debugging support.

What is the purpose of LINQ?

LINQ (Language Integrated Query) is a Microsoft programming model and methodology that essentially adds formal query capabilities into Microsoft .NET-based programming languages. LINQ offers a compact, expressive, and intelligible syntax for manipulating data.

How is the LINQ pool?

The Linq Pool. The pool is divided by a DJ Booth which is located in the heart of the action. Behind the DJ booth we have an above ground pool with two see through windows on each end which makes for the perfect photo opportunity. All rental reservations will receive personalized service by our cocktail servers and pool attendants.