In my application I\'m using Entity Framework 4.0 Model First. I have several tables that implement inheritance, like Product as a basetable and SpecificProduct that inherits from Product.
I have FunctionImport in one edmx1 file and I want to set the ReturnType to object that is located in other edmx2 file.
Consider an association in EF4 as: Child 1----0..1 Parent So, there\'s a non nullable foreign key in Parent for the Child.
At first I should mention that this problem only occurs in windows forms applications and the same program in web mode for example with MVC3 works perfect.
I am developing an MVC 3 application in C# and I would like to know how to list database entries, based on a condition. In my case, I only want to display invoices that have the status \"Paid\" or \"P
My database model has the following Users(table) related to orders(table) related to order line items(table)
I have the following model: public class Product { [Key] [HiddenInput(DisplayValue = false)] public int Id { get; set; }
When I try to insert an entity that had a child that I replaced by another child, I\'m getting an error message.
I have a table that has a unique index on a table with an Ordinal column.So for example the table will have the following columns:
I read a lot of examples and tutorials about adding referential constraints but my designer just doesn\'t give me the FK I would need to select.
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