Linq where is in list

Split ' '. Contains value. First, I added a filter for the selected genres a string array in Figure 2. The GetMovies method returns a list of movies. Next, the genre from the list of movies is converted to an array by splitting the values on the delimited character, then trimming the elements to remove the spaces and then comparing to the filter to see if any of the genres match those I am interested in.

Finally, the results are displayed using the Dump method. Using the sample data in Figure 1 and the genres selected in Figure 2, the following movies would be returned.

While the above LINQ query worked great in my case it was a secondary filter and simplified things, the filtering does occur on the client.

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Active 6 years, 11 months ago. Viewed 33k times. You will need to create a simple class that takes the personal information of the registered students. The next step is to fill some dummy data and create a list of students that belongs to Computer Science department. This is the reverse scenario of the above query. If you want to select the students who are not from Computer Science department then you can use the following query:.

This does not mean that you do searching one by one records. It can be ideal for medium datasets but not for very large collections. NET cannot process the query efficiently. Alternatively, you can use stored procedures to achieve the fast performance. Microsoft Corporation has addressed this issue in the Entity Framework 6. They have added an InExpression, which increased the performance of Enumerable Contains function.

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