What is the LINQ equivalent of the following: SELECT Mytable.A, MyTable.B, SUM(MyTable.C) FROM MyTable GROUP BY Mytable.A, MyTable.B
I have a List<ListViewItem> and I\'ve used it in a ListView in VirtualMode There are 5000 items in the list and I\'m gonna sort it with LINQ and OrderBy whenever a Column of the ListView is clic
I\'m getting an Entity Framework object collection from my Products table called oProducts.I am looping through the collection and setting the Quantity field from a separate function.Before I write ou
I have an sql statement as below attempting to retrieve the most recent entries in a table. I have two questions:
Is t开发者_Python百科here any reason why or why not you should do an \'order by\' in a subquery?Yes: It should not be done, because it does not make sense conceptually.
What is a good way to get the top 10 records from a very large collection and use a custom OrderBy?If I use the LINQ to Objects OrderBy method it is slow and takes a lot of memory because it creates a
I have a table of records like below int_record_idint_category_idstr_nameint_orderbit_active 11test121 21test21开发者_C百科1
I was wondering how sql server sorts i开发者_如何学Got\'s data. I noticed that if I have a table that doesn\'t contain the column \"Id\" and you select data without \"ORDER BY\" sql server doesn\'t au
The naive attempt query would look like this: Query query = em.createQuery(\"from org.domain.Resource r where r._parent = ? order by ?\");
I have a little SQL Distinct puzzle that i cannot solve (or at least not in an very elegant way). I have two tables (try to ignore the simplicity of the example). I\'m using MSSQL 2008 if that makes
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