Hello everyone an thanks for the help in advance. I am having problems trying to execute a stored procedure that returns only a Count. The sproc looks like CREATE PROCEDURE sp_GetOrderCount -- Add the parameters for the stored procedure here…
In EF Core 3.0 the methodFromSQLis replaced withFromSqlRaw. However, I didn't manage to successfully call a stored procedure and then process the value. This is useful when the stored procedure inserts data into the database. So in EF Core 3.0, I use this code: varcreatedPath = ModelC...
This method will return an DbRawSqlQuery, which you can enumerate using For / ForEach loop. For executing procedure with output parameter. varbookIdParameter =newSqlParameter(); bookIdParameter.ParameterName ="@BookId"; bookIdParameter.Direction = ParameterDirection.Output; bookIdParameter.SqlDbType...
https://www.entityframeworktutorial.net/efcore/entity-framework-core-dbcontext.aspx Saturday, May 30, 2020 10:35 AM Don't use FromSql if your stored procedure returns multiple recordsets Get started at /en-us/ef/ef6/modeling/designer/advanced/multiple-result-sets The first call gets the r...
you can’t mix and match stored procedures and the automatically generated SQL provided by EF. In addition your stored procedure parameters must match up exactly with the properties of the entity; the big caveat here is that you cannot have additional parameters that do not match u...
EF核中的EF6映射(EF6 Mapping)是指使用Entity Framework 6(EF6)进行对象关系映射(ORM)时,将数据库中的表结构映射到实体类的属性上的过程。EF6映射是通过配置文件或使用特性注解的方式来定义实体类与数据库表之间的映射关系。 EF6映射的分类包括: 数据注解(Data Annotations):通过在实体类的属性上使用特性注解...
verdie-g/StoredProcedureEFCore Star191 Entity Framework Core extension to execute stored procedures csharpmappingdotnetcoredotnet-coreentity-framework-coreasp-net-corestored-procedure UpdatedNov 15, 2020 C# DataBooster/DbWebApi Star99 Code Issues ...
EF Core supports connections with several databases, including SQL Server, SQL Azure, SQLite, MySQL, PostgreSQL, and Azure Cosmos DB. When building data-driven software applications, you may want to call an existing stored procedure in Entity Framework, and there are different ways to do that. ...
In this article, I showed you a useful utility to extend your dbContext by adding a coder-friendly stored procedure support for efcore. The utility must be strongly tested but its a good starting point to bring a little sp support in efcore environment. I'm personally using this utility ...
网上有好多解释,有些上升到了架构设计,让你觉得似乎非常高深莫测,特别是目前流行的ABP架构中就有提到...