Entity framework list string
WebNov 8, 2011 · You have a few options: 1) You could, of course, write a stored procedure to do what you need and call it. 2) You could read the table into memory and then query the in memory list...that way you don't have to use primitives: var items = from i in context.Items.ToList () where list.Contains (new Tuple (i.Name, i.Type)) … WebFeb 8, 2014 · I have an entity Person which has a list of locations associated with it. I need to query the persons table and get all those that have at least one location from a list of locations (criteria). ... Creating a comma separated list from IList or IEnumerable 756. ... SqlException from Entity Framework - New transaction is …
Entity framework list string
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WebMar 29, 2024 · I am using ASP.net Core 3.0 with Entity Framework Core 3.0 and Pomelo.EntityFrameworkCore provider for MySQL, I need to query all the users that are from specific Towns. Lets say for example I have a list of strings called targettedTowns in which I have the following towns WebEntity framework has some nice documentation about Embedding entities but I cannot figure out how to embed a simple string array IEnumerable. Sample class. public class Post { public string Id {get;set;} public string Content {get;set;} public IEnumerable Tags {get;set;} } This should be saved in cosmos as:
WebJun 20, 2024 · Here is a similar question to yours : Entity Framework - Code First - Can't Store List Currently, it's not possible to store a list of primitive type (string included). Your best bet would be to store the list as a string in your database, and when you fetch it you transform it back to a list. WebNov 1, 2016 · I'm constructing a linq query that will check is a string in the DB contains any of the strings in a list of strings. Something like. query = query.Where(x => x.tags .Contains(--any of the items in my list of strings--)); I'd also like to know how many of the items in the list were matched. Any help would be appreciated.
WebYou can use the Any method with a predicate to check if a string contains any strings from a list in Entity Framework. Here's an example: csharpvar myList = new List { … WebIs there any other way persist one entity with a list of strings to a RDBMS using EF Core Code First other than creating a wraper class? Of course, in the end the same thing must be done: another table must be created to hold the strings and a "one-to-many" relationship …
WebNov 23, 2024 · The model type is the .NET type of the property in the entity type. The provider type is the .NET type understood by the database provider. For example, to save enums as strings in the database, the model type is the type of the enum, and the provider type is String. These two types can be the same.
WebFeb 14, 2024 · I have an entity with a List property and I'd like to data seeding it. I succeeding using modelBuilder.Entity.HasData(), but it doesn't work with dotnet ef migrations. Here is my entity: public class MyEntity { public int Id { get; set; } public List Names { get; set; } } And here's my DbContext.OnModelCreating override: malaysia shanghai international schoolWebFirst of all you will need to include Player in your DBContext: public class TeamDBContext : DbContext { public DbSet Teams { get; set; } public DbSet Players { get; set; } } Then you might read this article that describes how to load related entities. public class Team { public string teamName {get; set;} public string ... malaysia severance packagemalaysia share market newsWebOct 21, 2014 · 25. I am working with Entity Framework Code first. I have a simple model: public class Variable { public string Name { get; set; } public int Id { get; set; } public IList TextOptions { get; set; } } I ran into issues with the Property TextOptions being of type List. When I try to do this in Entity Framework, it does not map. malaysia service tax professional servicesWeb@user3004110: I didn't realized the types where the same when I typed that. That's why I came up with the alternative. The alternative works because the return type is the same as the entity. The first option can be used if your return type is different from your entity and you'll need a mapping. malaysia severance payWebJan 13, 2012 · 0. In order to get the result as a List of strings you should convert the Business line to a string before getting the list: var result = this.ObjectContext.vwBusinessUnits.Select (x=>x.BusinessLineID.ToString ()).Distinct (); After done this you can get the result as string. var resultList = result.ToList (); malaysia shares maritime borders withWebSep 29, 2024 · Right-click the Controllers folder in Solution Explorer, select Add, and then click New Scaffolded Item. In the Add Scaffold dialog box, select MVC 5 Controller with views, using Entity Framework, and then choose Add. In the Add Controller dialog box, make the following selections, and then choose Add: Model class: Student … malaysia service tax group