There are three ways to check whether IEnumerable<> or List<> type is empty / null or not. == NULL .Any() .Count() In any case, you always want to combine “== null” and, either “.Any()” or “.Count()”, with OR (“||”) operator. In addition, you want to put “== null” before the other condition. The reason for this is, “if” condition goes from left to right. So, if the list object is null, it will not go to the second check,…
By default the following code snippets are included in Visual Studio. Name (or shortcut) Description Valid locations to insert snippet #if Creates a #if directive and a #endif directive. Anywhere. #region Creates a #region directive and a #endregion directive. Anywhere. ~ Creates a destructor for the containing class. Inside a class. attribute Creates a declaration for a class that derives from Attribute. Inside a namespace (including the global namespace), a class, or a struct. checked Creates a checked block. Inside a method, an indexer, a property accessor, or an event…
I want to update a table with consecutive numbering starting at 1. The update has a where clause so only results that meet the clause will be renumbered. Can I accomplish this efficiently without using a temp table?
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