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The entity cannot be constructed in a LINQ to Entities query
...a ToList() and the reason is that you can't use generic lists in a LINQ-to-SQL query. So if you know you're always gonna push the results into another query by the caller then certainly makes sense to be IQueryable. But if not...if you are gonna use it as a generic list after, then use the ToList(...
How do I get the MAX row with a GROUP BY in LINQ query?
I am looking for a way in LINQ to match the follow SQL Query.
6 Answers
6
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Why does Git treat this text file as a binary file?
...correct information. I was trying to control diffs to an extremely large MySQL Dump (.sql file), but git treats it as a binary file, even if it has only ASCII/UTF8 data on it. The reason, is that lines are super-long (insert values (one),(two),(three),(...),(3 million...);. Strangely, for every comm...
How do you sort an array on multiple columns?
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Came across a need to do SQL-style mixed asc and desc object array sorts by keys.
kennebec's solution above helped me get to this:
Array.prototype.keySort = function(keys) {
keys = keys || {};
// via
// https://stackoverflow.com/questions/5223/le...
Group a list of objects by an attribute : Java
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Implement SQL GROUP BY Feature in Java using Comparator, comparator will compare your column data, and sort it. Basically if you keep sorted data that looks as grouped data, for example if you have same repeated column data then sort m...
Linq select objects in list where exists IN (A,B,C)
... select order;
It's the opposite to what you know from SQL this is why it is not so obvious.
Of course, if you prefer fluent syntax here it is:
var filteredOrders = orders.Order.Where(order => new[] {"A", "B", "C"}.Any(s => s == order.StatusCode));
Here we again see one...
What are naming conventions for MongoDB?
...sonal preference. My preferences come from using NHibernate, in .NET, with SQL Server, so they probably differ from what others use.
Databases: The application that's being used.. ex: Stackoverflow
Collections: Singular in name, what it's going to be a collection of, ex: Question
Document fields, ...
MySQL show current connection info
I am in a MySQL terminal session but I don't know what server I am connected to, or what database I am connected to.
3 Ans...
Why is MySQL's default collation latin1_swedish_ci?
...was co-head of a Swedish company.
Possibly for similar reasons, Microsoft SQL Server's default language us_english.
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Display milliseconds in Excel
...edded query, the ss.000 does not work. I can paste the query results (from SQL Server Management Studio), and format the time just fine. But when I embed the query as a Data Connection in Excel, the format always gives .000 as the milliseconds.
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