Part 75 List collection class in c# continued

Tags
c# convert list to array
c# convert array to list
c# list contains method
c# find duplicates in list of objects
c# find an object in a list
c# list findindex predicate example
c# list find index of item
c# list find lambda
c# convert list to dictionary
c# list findall predicate example
c# list findlast example
c# list findlastindex example

Link for code samples used in the demo
http://csharp-video-tutorials.blogspo...

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Link for csharp, asp.net, ado.net, dotnet basics, mvc and sql server video tutorial playlists
https://www.youtube.com/user/kudvenka...

This is continuation to Part 74. So, please watch Part 74, before proceeding. In this video, we will discuss
1. Contains() function - Use this function to check if an item exists in the list. This method returns true if the items exists, else false.

2. Exists() function - Use this function, to check if an item exists in the list based on a condition. This method returns true if the items exists, else false.

3. Find() function - This method searches for an element that matches the conditions defined by the specified lambda expression and returns the first matching item from the list.

4. FindLast() function - This method searches for an element that matches the conditions defined by the specified lambda expression and returns the Last matching item from the list.

5. FindAll() function - This method returns all the items from the list that match the conditions specified by the lambda expression.

6. FindIndex() function - This method returns the index of the first item, that matches the condition specified by the lambda expression. There are 2 other overloads of this method which allows us to specify the range of elements to search, with in the list.

7. FindLastIndex() function - This method returns the index of the last item, that matches the condition specified by the lambda expression. There are 2 other overloads of this method which allows us to specify the range of elements to search, with in the list.

8. Convert an array to a List - Use ToList() method

9. Convert a list to an array - Use ToArray() method

10. Convert a List to a Dictionary - Use ToDictionary() method