I want to use Entity SQL to query the elements of some subtype in my Entity Model. For instance... SELECT VALUE c FROM Persons AS c
Why this code throws a System.NotSupportedExceptio开发者_如何学编程n telling that The specified method \'int? DateDiff(string, DateTime?, DateTime?)\' on the type \'System.Data.Objects.SqlClient.SqlFu
I want to pass a number of values into a parameter of the EntityDataSource, e.g.: Where=\"it.ORDER_ID IN {@OrderIdList}\" (this is a property on the EntityDataSource)
I am trying to write a query using e开发者_Go百科SQL wherein my entity has got navigation properties. I am not able to include these navigation properties in the query, even though in Linq to SQL we h
Using EF we can use LINQ to read data which is rather simple (especially using fluent calls), but we have less control unless we write eSQL o开发者_StackOverflown our own.
help me please with this simple E-sql query: var qStr = \"SELECT SqlServer.Month(o.DatePaid) as month, SqlServer.Sum(o.PaidMoney) as PaidMoney FROM XACCModel.OrdersIncomes as o group by SqlServer.Mo
I have the following LINQ query that I need to translate to Entity SQL /eSQL): return (ObjectQuery<User>) from user in Users
The question is: Given a database backend that understands LeftStr and RightStr: where, in a custom ADO.NET provider implementation, would I establish a mapping to the immutable EDM canonical function
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