Part 75 List collection class in c# continued - ユーティージェーピー





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Part 75 List collection class in c# continued


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.blogspot.com/2013/08/part-75-list-collection-class-in-c.html Link for csharp, asp.net, ado.net, dotnet basics, mvc and sql server video tutorial playlists https://www.youtube.com/user/kudvenkat/playlists?sort=dd&view=1 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
動画ID:2DKvOREiLBg
投稿日時:2013年08月31日 05時44分
再生回数:96,971 回
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