Get all entity framework
WebFeb 23, 2014 · obtain all records in table with entity framework. using entity framework how do I obtain all the records in a table? using (Entities db = new Entities ()) { IEnumerable allSalesUploaded = new List (); so instead of = new List, I am looking for all the records in the UploadedFile table? db.?context? WebMay 13, 2013 · Another approach would be to replace your GetAll () method with one that requires the caller to apply a filter before returning results: public IQueryable GetMatching (Expression> filter) { // Replace myQuery with Context.Set () or whatever you're using for data access return myQuery.Where (filter); }
Get all entity framework
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WebJun 10, 2024 · You can access a property getter through reflection like so: var enumerable = typeof ( [ClassNameOfContext]).GetProperty (name).GetValue (ctx, null); Whereas [ClassNameOfContext] is the name of the class that ctx is an instance of. This is not obvious from your code, but you know it :-) WebJun 30, 2024 · In this tutorial you'll read and display related data — that is, data that the Entity Framework loads into navigation properties. The following illustrations show the pages that you'll work with. Download Completed Project. The Contoso University sample web application demonstrates how to create ASP.NET MVC 5 applications using the …
WebApr 7, 2016 · If you want to get all the clients who does not have any History log item for any cases. var clientsWithNoLogs = clist.Where (s => s.Cases.Any (c => !c.Histories.Any ())); If you want both conditions together. var combined = clist.Where (s => s.Cases.Any (c => c.Histories.All (h => h.Code == "WRONG") !c.Histories.Any ()) ); Share WebOct 14, 2024 · You can install the EntityFramework package by right-clicking on the References folder of your project and selecting Manage NuGet Packages… Installing from Package Manager Console Alternatively, you can install EntityFramework by running the following command in the Package Manager Console. PowerShell Install-Package …
WebMar 11, 2024 · The following snippets show a few examples of how to achieve common tasks with Entity Framework Core. Loading all data C# using (var context = new BloggingContext ()) { var blogs = context.Blogs.ToList (); } Loading a single entity C# using (var context = new BloggingContext ()) { var blog = context.Blogs .Single (b => b.BlogId … WebOct 14, 2024 · Explicitly Loading. Using Query to count related entities without loading them. Entity Framework supports three ways to load related data - eager loading, lazy loading …
WebJun 17, 2024 · Get all rows using entity framework dbset Ask Question Asked 10 years, 4 months ago Modified 3 years, 2 months ago Viewed 115k times 42 I want to select all rows from a table using the following type of syntax: public IQueryable …
WebOct 14, 2024 · Entity Framework supports three ways to load related data - eager loading, lazy loading and explicit loading. The techniques shown in this topic apply equally to models created with Code First and the EF Designer. Eagerly Loading Eager loading is the process whereby a query for one type of entity also loads related entities as part of the query. body composition of athletesWeb22 hours ago · I create my initial migration with entity framework. I then go to generate the roles table and it is not being generated correctly. I run this command. I suspect my problem is in my datacontext. It is below: public class UsersContext : IdentityUserContext { public UsersContext () { } public UsersContext (DbContextOptions body composition order mcoWebJan 12, 2024 · In relational databases, all related entities are loaded by introducing JOINs in single query. SQL SELECT [b]. [BlogId], [b]. [OwnerId], [b]. [Rating], [b]. [Url], [p]. [PostId], [p]. [AuthorId], [p]. [BlogId], [p]. [Content], [p]. [Rating], [p]. [Title] FROM [Blogs] AS [b] LEFT JOIN [Post] AS [p] ON [b]. [BlogId] = [p]. [BlogId] ORDER BY [b]. glastonbury george and pilgrimWebJan 12, 2024 · All entities returned from queries are initially in this state. Modified entities have been changed since they were queried from the database. This means they will be updated when SaveChanges is called. Deleted entities exist in the database, but are marked to be deleted when SaveChanges is called. EF Core tracks changes at the property level. glastonbury ghost townWebJan 12, 2024 · When the results are returned in a tracking query, EF Core will check if the entity is already in the context. If EF Core finds an existing entity, then the same instance is returned. EF Core won't overwrite current and original values of the entity's properties in the entry with the database values. If the entity isn't found in the context ... glastonbury giantWebMar 24, 2024 · c# - Select all values in column with Entity Framework - Stack Overflow Select all values in column with Entity Framework Ask Question Asked 3 years ago Modified 2 years, 4 months ago Viewed 1k times -1 I want to get all these values from table Trouble and paste into Combobox. I have this code,but i get … glastonbury gifsWebAbout Entity Framework So, let's look at this code: public IQueryable GetAllUrls () { return context.Urls.AsQueryable (); } and example of it usage: repo.GetAllUrls ().Where (u => ).Take (10).ToList () What happens there? We are getting IQueryable object (not accessing database yet) using repo.GetAllUrls () glastonbury genre