Error 3003 Entity Framework
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Entity Framework Error 3007 Problem In Mapping Fragments
community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Mapping Fragments Entity Framework Error up vote 0 down vote favorite I'm developing an ASP.NET MVC4 application (database first approach), right now I updated the model from database and then after that I entity framework error 11007 entity type is not mapped got this error: Problem in mapping fragments starting at line 1106:Potential runtime violation of table Trn_BenchProficiency's keys (Trn_BenchProficiency.BenchNumber): Columns (Trn_BenchProficiency.BenchNumber) are mapped to EntitySet Trn_BenchProficiency's properties (Trn_BenchProficiency.BenchNumber) on the conceptual side but they do not form the EntitySet's key properties (Trn_BenchProficiency.AssessedDate, Trn_BenchProficiency.BenchNumber, Trn_BenchProficiency.Proficiency, Trn_BenchProficiency.SkillAllignmentID, Trn_BenchProficiency.SkillID). When I double click the error visual studio displayed this: Kindly help me, what is the problem with this? I really cant find the error. asp.net-mvc entity-framework asp.net-mvc-4 ef-database-first database-first share|improve this question edited Oct 23 '14 at 5:24 marc_s 452k938641029 asked Oct 23 '14 at 2:54 Luigi Vibal 24129 1 Looks like you have keys in your model but the keys don't exist on the database. –artm Oct 23 '14 at 3:57 add a comment| 2 Answers 2 active oldest votes up vote 1 down vote Try to delete the tables in edmx diagram and update your diagram then add your tables again. Save and rebuild your solution. I always enc
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Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it http://stackoverflow.com/questions/26520560/mapping-fragments-entity-framework-error only takes a minute: Sign up Entity Framework Error 3002 / 3003 - Inheritance / key mapping issue up vote 1 down vote favorite I have a data model as follows: A Customer has Products and Payment Methods. Each Product can be assigned any or all of the Customer's Payment Methods, with one set as default. Foreign Keys are: Customer.CustomerId http://stackoverflow.com/questions/6252805/entity-framework-error-3002-3003-inheritance-key-mapping-issue => Product.CustomerId Customer.CustomerId => PaymentMethod.CustomerId Product.ProductId => ProductPaymentMethod.ProductId PaymentMethod.PaymentMethodId => ProductPaymentMethod.PaymentMethodId I want to customise this model for presentation purposes, Customer to have a collection of Payment Methods and a collection of Products. Products to have a collection of ProductPaymentMethods which inherit from PaymentMethod. I deleted the association between PaymentMethod and ProductPaymentMethod, added an inheritence from PaymentMethod to ProductPaymentMethod and deleted PaymentMethodId from ProductPaymentMethod. This is now my model: When I save the model or build the project I get 2 errors: Error 3002: Problem in mapping fragments starting at line 226:Potential runtime violation of table ProductPaymentMethod's keys (ProductPaymentMethod.ProductPaymentMethodId): Columns (ProductPaymentMethod.ProductPaymentMethodId) are mapped to EntitySet PaymentMethods's properties (PaymentMethods.ProductPaymentMethodId) on the conceptual side but they do not form the EntitySet's key properties (PaymentMethods.PaymentMethodId). and Error 3003: Problem in mapping fragments starting at line 226:All the key properties (PaymentMethods.PaymentMethodId) of the EntitySet PaymentMethods must be mapped to all the key properties (ProductPaymentMethod.ProductPaymentMethodId) of table ProductPaymentMethod. What am I doing wrong? EDIT: Having done some further Googling, I have found several solutions, most of which don't quite fit this scenario. Most
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