linq distinct multiple columns
Using anonymous objects will do the trick: var data = TESTDB.Where(i => i.ALPHA == 1).Select(i => new i.A, i.B, i.C}).Distinct();. , Using anonymous objects will do the trick: var data = TESTDB.Where(i => i.ALPHA == 1).Select(i => new i.A, i.B, i.C}).Distinct();., You can do the following: return from c in AllClasses group c by new c.Batch, c.Degree_ID, c.Specialization_ID, c.CurrentSemester, c., public static object GetDistinctClasses(IQueryable<Class> AllClasses) return (from c in AllClasses group c by new c.Batch, c.Degree_ID, c., You can select just the name and age into an anonymous type, and then use Distinct() : var results = context.people .Select(p => new p.Name ...,Distinct(); which logically it should create an anonymous object with CategoryId and CategoryName as properties. The Distinct() guarantees that there are no duplicates pair ( CategoryId , CategoryName ). ,前幾天因為專案的關係，接觸到LINQ的Distinct用法，其實用過後，LINQ的Distinct ... Columns.Add("FirstName");. //將資料LINQ所取出的值，填入DataTable的Rows中 , Since the where has already made sure one of the two values is always the same, you can use the sum in distinctBy . (e.g. 1 + 2 is equal to 2 + ..., Well, you can do the projection first: var qry = db.Customers.Select(cust => new cust.ID, cust.Name, cust.Region}) .Distinct();. Or in query syntax ...,As far as I can understand you want to distinct records by subfield . If so, you can do that using GroupBy : var pList = db.Part.Where(p => p.field != null && p.field!=
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 linq distinct multiple columns 相關參考資料
Distinct on Multiple Columns Entity Framework LINQ
Using anonymous objects will do the trick: var data = TESTDB.Where(i => i.ALPHA == 1).Select(i => new i.A, i.B, i.C}).Distinct();. https://entityframework.net Distinct on Multiple Columns Entity Framework LINQ - Stack Overflow
Using anonymous objects will do the trick: var data = TESTDB.Where(i => i.ALPHA == 1).Select(i => new i.A, i.B, i.C}).Distinct();. https://stackoverflow.com How to LINQ Distinct by Multiple Fields without anonymous ...
You can do the following: return from c in AllClasses group c by new c.Batch, c.Degree_ID, c.Specialization_ID, c.CurrentSemester, c. https://stackoverflow.com How to LINQ Distinct by Multiple Fields Without using anonymous ...
public static object GetDistinctClasses(IQueryable<Class> AllClasses) return (from c in AllClasses group c by new c.Batch, c.Degree_ID, c. https://social.msdn.microsoft. How to select distinct based on combination of two fields with ...
You can select just the name and age into an anonymous type, and then use Distinct() : var results = context.people .Select(p => new p.Name ... https://stackoverflow.com How to use LINQ Distinct() with multiple fields - Stack Overflow
Distinct(); which logically it should create an anonymous object with CategoryId and CategoryName as properties. The Distinct() guarantees that there are no duplicates pair ( CategoryId , CategoryName... https://stackoverflow.com LINQ - DISTINCT的使用@ 張小呆的碎碎唸:: 隨意窩Xuite日誌
前幾天因為專案的關係，接觸到LINQ的Distinct用法，其實用過後，LINQ的Distinct ... Columns.Add("FirstName");. //將資料LINQ所取出的值，填入DataTable的Rows中 https://blog.xuite.net Linq distinct based on two columns - Stack Overflow
Since the where has already made sure one of the two values is always the same, you can use the sum in distinctBy . (e.g. 1 + 2 is equal to 2 + ... https://stackoverflow.com LINQ to DataSet, distinct by multiple columns - Stack Overflow
Well, you can do the projection first: var qry = db.Customers.Select(cust => new cust.ID, cust.Name, cust.Region}) .Distinct();. Or in query syntax ... https://stackoverflow.com LINQ, how to select distinct with two columns - Stack Overflow
As far as I can understand you want to distinct records by subfield . If so, you can do that using GroupBy : var pList = db.Part.Where(p => p.field != null && p.field!= https://stackoverflow.com |