var uniqueNamesQuery = fileA.Union(fileB).OrderBy(s => s); OutputQueryResults(uniqueNamesQuery, "Union removes duplicate names:"); // Find the names that occur in both files (based on // default string comparer). var commonNamesQuery = fileA.Intersect(fileB); OutputQueryResults(common...
FindMetaTable(Control) Retourne l'objet Metatable pour le contrôle de données conteneur. GetDefaultValues(IDataSource) Obtient la collection des valeurs par défaut pour la source de données spécifiée. GetMetaTable(IDataSource) Obtient les métadonnées pour une table dans l'objet source...
If you examine the documentation for the extension methods on the Enumerable class, you'll find that each member is Shared. As a result, you have two options for calling a method. First, you can call it as a method of the declaring type, like this, passing in the instance of...
mergers, or finding set differences between them. The LINQ Except method comes in handy when we want to find the set difference between two sequences, as it returns a new sequence containing elements in the first sequence that are not in the second sequence. ...
Distinct Results a list of unique values from a collection by filtering duplicate data if any Not Applicable Distinct Except Compares the values of two collections and return the ones from one collection who are not in the other collection Not Applicable Not Applicable Intersect Returns the set of...
About error: "Cannot find the object "dbo.xxxx" because it does not exist or you do not have permissions.", in PM window, help please Accessing related tables when no Foreign Key relationship is defined add a new column to list using linq and entity? add a new row on top of the dat...
In the example we have a list of workers and voters. We want to find out all workers that are also voters. var joined = from worker in workers join voter in voters on new { worker.FirstName, worker.LastName } equals new { voter.FirstName, voter.LastName } select voter.FirstName +...
Distinct Results a list of unique values from a collection by filtering duplicate data if any Not Applicable Distinct Except Compares the values of two collections and return the ones from one collection who are not in the other collection Not Applicable Not Applicable Intersect Returns the set of...
Note that if a Product's property values weren't changed by the property assignments above, then the object would not be considered changed and LINQ to SQL would therefore not execute an update for that product back to the database. For example - if the "Chai" product's unitprice was al...
The Search method returns a Result object based on the data it finds, including the values found in the current call to Search, the list of all values found in all previous calls to Search, and the current status of the search. This means that the UI can now return data in ch...