®Geovin Du Dream Park™

摘要： using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Xml.Serialization; using System.Xml; namespace DuFul 阅读全文

摘要： /// <summary> /// https://learn.microsoft.com/zh-cn/ef/core/logging-events-diagnostics/simple-logging /// </summary> /// <param name="optionsBuilder"> 阅读全文

摘要： sql: create view ViewEmployeeMasters as select a.*,b.Name as 'DepartmentName',b.Code as 'DepartmentCode' from EmployeeMasters as a,DepartmentMaster as 阅读全文

摘要： /* function mappinghttps://learn.microsoft.com/en-us/ef/core/querying/user-defined-function-mapping view mapping public DbQuery<View_BookDetails> View 阅读全文

摘要： sql: IF EXISTS (select * from sysobjects where id = object_id(N'[dbo].People') and OBJECTPROPERTY(id, N'IsUserTable') = 1) DROP TABLE People GO CREATE 阅读全文

摘要： sql: IF EXISTS (select * from sysobjects where id = object_id(N'[dbo].DepartmentMaster') and OBJECTPROPERTY(id, N'IsUserTable') = 1) DROP TABLE Depart 阅读全文

摘要： sql: IF EXISTS (select * from sysobjects where id = object_id(N'[dbo].GeovinDuMap') and OBJECTPROPERTY(id, N'IsUserTable') = 1) DROP TABLE GeovinDuMap 阅读全文

摘要： [Keyless] public class PersonOrderCount { public string Name { get; set; } public int Count { get; set; } } public class Person { public int PersonId 阅读全文

摘要： 初始化创建表和数据 /// <summary> /// ///Entity /// </summary> public class Product { public Product() { } public int Id { get; set; } public string Name { get; 阅读全文

摘要： sql script --dbo.Students --Id int identity --Name --Age byte --CreatedTime date -- ModifiedTime date IF EXISTS (select * from sysobjects where id = o 阅读全文