How to get a comma separated string from a list in c#?

A List of string can be converted to a comma separated string using built in string. Join extension method. string. Join(“,” , list);

How can use comma separated value in C#?

We can get a comma-separated string from an array using String. Join() method. In the same way, we can get a comma-separated string from the integer array. We can also get a comma separated string from the object array, as shown below.

How do you join a list of strings with a comma?

Approach: This can be achieved with the help of join() method of String as follows.

  1. Get the List of String.
  2. Form a comma separated String from the List of String using join() method by passing comma ‘, ‘ and the list as parameters.
  3. Print the String.

How do I concatenate in LINQ query?

In LINQ, the concatenation operation contains only one operator that is known as Concat. It is used to append two same types of sequences or collections and return a new sequence or collection. It does not support query syntax in C# and VB.NET languages. It support method syntax in both C# and VB.NET languages.

How do you convert a list to a comma separated value?

You can use core Java functions, Steams API, and Apache Commons Lang to convert a list into a string.

  1. String.join() Method. The most common way to convert a list of strings into a comma-separated string is by using the static join() method from the String class: List list = List.
  2. Java Streams.
  3. Apache Commons Lang.

How can you convert information consisting of comma separated values into an array?

Answer: Use the split() Method You can use the JavaScript split() method to split a string using a specific separator such as comma ( , ), space, etc. If separator is an empty string, the string is converted to an array of characters.

How split comma separated values in SQL query?

Split comma-separated value string in a column. SELECT ProductId, Name, value FROM Product CROSS APPLY STRING_SPLIT(Tags, ‘,’); Here is the result set. The order of the output may vary as the order is not guaranteed to match the order of the substrings in the input string.

What is aggregate in C#?

Aggregation is a directional relation between objects in C#. It is the relationship between objects. An Employee is associated with a single Department, whereas a Department can have more than one employee.

How do you convert a comma separated string to an array?

To convert a comma separated string into an array, call the split() method on the string, passing it a comma as a parameter – str. split(‘,’) . The split method will divide the string on each comma and return the substrings in an array.

How do you convert space delimited to comma delimited?

How to split text by space/comma/delimiter in Excel?

  1. Select the column list you want to split by delimiter, and click Data > Text to Columns.
  2. Then a Convert Text to columns Wizard dialog pops out, and check Delimited option, and click Next button.

How do I change a comma separated string to a number?

To convert a comma separated string to a numeric array:

  1. Call the split() method on the string to get an array containing the substrings.
  2. Use the map() method to iterate over the array and convert each string to a number.
  3. The map method will return a new array containing only numbers.