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c# Programming Glossary: pkCombining n DataTables into a Single DataTable http://stackoverflow.com/questions/12278978/combining-n-datatables-into-a-single-datatable because no primary key was defined. So either specify the PK or try this method here which i've written from scratch so it's..
SQL Server: Dynamic where-clause http://stackoverflow.com/questions/144550/sql-server-dynamic-where-clause and so forth. Tables Ingredients IngredientsID INT PK IngredientsName VARCHAR Recipes RecipesID INT PK RecipesName.. INT PK IngredientsName VARCHAR Recipes RecipesID INT PK RecipesName VARCHAR IngredientsRecipes IngredientsRecipesID.. VARCHAR IngredientsRecipes IngredientsRecipesID INT PK IngredientsID INT RecipesID INT Query SELECT Recipes.RecipesID..
What ORM for .net should I use? http://stackoverflow.com/questions/1691575/what-orm-for-net-should-i-use class User public virtual int Id get private set autogens PK public virtual string Name get set augogens Name col public.. class UserSettings public virtual int Id get private set PK again public virtual int UserId get set autogens FK public virtual..
What's the fastest way to bulk insert a lot of data in SQL Server (C# client) http://stackoverflow.com/questions/24200/whats-the-fastest-way-to-bulk-insert-a-lot-of-data-in-sql-server-c-client smallint NOT NULL Bottom smallint NOT NULL CONSTRAINT PKBulkData PRIMARY KEY CLUSTERED ContainerIdId ASC BinId ASC Sequence.. the data. Is there any advantage to having a nonclustered PK index while doing the inserts as opposed to dropping the constraint..
http://stackoverflow.com/questions/2734424/c-sharp-4-0-ef-server-generated-keys-and-server-generated-values-are-not-suppo by SQL Server Compact. My table was defined with a PK of UserName string DoorOpen datetime as SQLCE required there.. string DoorOpen datetime as SQLCE required there be a PK on every table in fx3.5. Now that I am in fx4.0 I am stumped... new column ALTER TABLE ImportDoorAccesses ADD CONSTRAINT PK_ImportDoorAccesses PRIMARY KEY ID The constraint used to be..
ASP.NET MVC Model Binding into a List http://stackoverflow.com/questions/3058632/asp-net-mvc-model-binding-into-a-list hours in a VenueHours table in my database with a FK to PK relationship to a Venues table as well as DayOfWeek OpeningTime..
How do I save a child entity in EntityFramework 4? http://stackoverflow.com/questions/5679703/how-do-i-save-a-child-entity-in-entityframework-4 i.e. Contact.OrderId references Orders and is also a PK. So I have an existing Order and I add a new Contact to it like..
When is it better to store flags as a bitmask rather than using an associative table? http://stackoverflow.com/questions/5708239/when-is-it-better-to-store-flags-as-a-bitmask-rather-than-using-an-associative-t 2 be better Option 1 Use an associative table. User UserId PK Name Department Permission PermissionId PK Name User_Permission.. User UserId PK Name Department Permission PermissionId PK Name User_Permission UserId FK PermissionId FK Option 2 Store.. FK Option 2 Store a bitmask for each user. User UserId PK Name Department Permissions Flags enum Permissions Read 1 Create..
generic GetById for complex PK http://stackoverflow.com/questions/5794902/generic-getbyid-for-complex-pk GetById for complex PK I am looking a way to create Generic GetById that get params.. a solution I thought on a generic method that returns the PK fields definition and a generic method that can return the entity..
Entity Framework - how do I get the columns? http://stackoverflow.com/questions/6056597/entity-framework-how-do-i-get-the-columns a list of columns names types and whether the column is a PK of a table object in Entity Framework. How do I do this in C#.. FieldName p.Name FieldType p.PropertyType FieldPK p.GetCustomAttributes false .Where a a is EdmScalarPropertyAttribute..
What does principal end of an association means in 1:1 relationship in Entity framework http://stackoverflow.com/questions/6531671/what-does-principal-end-of-an-association-means-in-11-relationship-in-entity-fr case of entity framework FK in dependent must also be its PK so in your case you should use public class Boo Key ForeignKey..
C# LINQ to SQL: Refactoring this Generic GetByID method http://stackoverflow.com/questions/735140/c-sharp-linq-to-sql-refactoring-this-generic-getbyid-method T var type Mapping.GetMetaType typeof T var PK from m in type.DataMembers where m.IsPrimaryKey select m .Single..
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