Entity Framework 6 - Knowledge Base (KB)

C# - Entity Framework add new object to ObjectContext

im working with Entity Framework, SQL and C#....i have a Table called Client and other called clients_phone....I have a form with a Xtragrid and using BindingSource I bind the IQueryable to the grid....myBindingSource = new BindingSource(); myBindingSourc...

DevExpress XPO vs NHibernate vs Entity Framework: database upgrading issue

What is the best practice for upgrading the database using ...ORM... (...DevExpress XPO..., ...NHibernate... or ...MS Entity Framework...)?...I'm starting a new project and have to pick an ...ORM.... The development process requires of releasing intermedi...

GridView with ObjectDatasource UpdateMethod

I have an ASP.NET WebForms page containing an ...ASPxGridView... and an ...ObjectDataSource...:...<dx:ASPxGridView ID="gvEmployees" runat="server" AutoGenerateColumns="False" DataSourceID="objDsEmployees" KeyFieldName="EmployeeId"> <Columns> ...

Could not load file or assembly: The located assembly's manifest definition does not match the assembly reference

I have a Dev Express web application working fine in localhost but not on the live site....I have logged the issue with Dev Express but am also logging it here because it may be a .net issue....I have checked the references carefully in the project and ca...