How can I use LINQ for advanced queries in C#?

How can I use LINQ for advanced queries in C#?

You can use LINQ to perform complex queries on collections, such as filtering, grouping, and joining data.

Can you show me an example of grouping data with LINQ?

Sure! Here's an example: var groupedData = data.GroupBy(x => x.Category); This groups the data by the 'Category' property.

What about joining two collections?

You can use the Join method. For example: var result = collection1.Join(collection2, c1 => c1.Id, c2 => c2.Id, (c1, c2) => new { c1, c2 }); This joins two collections based on their IDs.

Are there any performance considerations I should be aware of?

Yes, be mindful of the size of your collections and the complexity of your queries, as they can impact performance.