It can be ideal for medium datasets but not for very large collections. c# linq change item in list. asp.net core ienumerable update. We can also user First instead of FirstOrDefault.We can write the above code like this. c# - Set values with a Linq-Query? - Stack Overflow Howto change an item in a list using LINQ? How to retrieve the value of an element - LINQ to XML asp.net core ienumerable update. c# linq update an item in list. Note that this can ONLY be used at the time of construction. LINQ query to get target DataRow on a DataTable in C#, LINQ … Suppose I have a list of Users and i want to update name and address for each user in list. Drag a Text Box control onto the form, and position it towards the center of the form. In the same way, cities and bigCities are string type list. I also want to know how to do that with a single linq query if possible. c# - Set values with a Linq-Query? - Stack Overflow Got it? If we want to update the list items based on a condition, we can make use of Where () clause.