PM give me ERROR: Type is not resolved for member..on any migration command

Error loading type 'System.Data.Entity.Infrastructure.DbContextInfo' in EF Migrations

I am using ContosoUniversity example. I have just used Nuget to download and install code first migrations pakage. Whe I excecute ...update-database... command it throws an error . Is there anything to do more than installing nuget package?...Update-Database : Could not load type 'System.Data.Entity.Infrastructure.DbContextInfo' from assembly 'Enti...

LINQ-To-Entity (LINQ to Entities does not support the given type member ".)

I am having difficulty understanding this problem:...Here is the T-SQL query I need to implement using LINQ to Entities...select r.ReviewID, b.BusinessID, b.Name as BusinessName ,r.Description from gb_business.Review r inner join gb_business.Business b on r.BusinessID = b.BusinessID inner join gb_listing.RegionalService rs on b.BusinessID = rs.Busi...

The specified type member 'Date' is not supported in LINQ to Entities Exception

I got a exception while implementing the following statements.... DateTime result; if (!DateTime.TryParse(rule.data, out result)) return jobdescriptions; if (result < new DateTime(1754, 1, 1)) // sql can't handle dates before 1-1-1753 return jobdescriptions; return jobdescriptions.Where(j => j.JobDeadline.Date == Convert.ToDateTime(rul...

Why does the Using statement give an error even though my type implements IDisposable?

In my ...DataAccess... project I have the code:...using (TandAEntities dataContext = new TandAEntities()) { // Some code } ...This gives no error and works fine....But in my Unit Test project, I have that same code, but the compiler gives an error; type used in a using statement must be implicitly convertible to ...'System.IDisposable'...I chec...

Error "Failed to set database initializer of type MyNamespace.MyCustomInitializer, MyAssembly" could not load MyContext type

I'm creating a web app using .NET4.5 with Entity Framework 6 alpha3 that uses a new SQL Compact database. The database does not yet exist....I have the following code in a web form:...public IQueryable<Job> listJobs_GetData() { var db = new JournalistContext(); IQueryable<Job> query = db.Jobs.Where(d => d.JobStart > DateTime.Now) .O...

The specified type member 'UsersCount' is not supported in LINQ to Entities

I have such POCO entity... public class Product : Entity { [DatabaseGenerated(DatabaseGeneratedOption.None)] public int Id { get; set; } [Required] [MaxLength(50)] public string Name { get; set; } public virtual ICollection<Order> Orders { get; set; } [NotMapped] publ...

error 2019: Member Mapping specified is not valid using Entity Framework Code First

I am implementing Entity Framework Code-First methodology in my project and got stuck in an issue....Error Details:... 18,12) : error 2019: Member Mapping specified is not valid. The type 'Edm.Byte[Nullable=False,DefaultValue=]' of member 'status' in type 'IMS.DAL.Users_mast' is not compatible with 'SqlServer.binary[Nullable=False,DefaultValue=...

DbFunctions.TruncateTime() still producing "type member 'Date' is not supported" error

I'm really having trouble with the LINQ query below. I did a lot of research on this error and almost everything i have found references the use of DbFunctions.TruncateTime(), however this still does not seem to be working for me. I'm hoping someone can take a look at this and let me know where i am going wrong. All i am trying to do is compare onl...

Enable-Migrations gives Exception calling "SetData" with "2" argument(s) error

I have used Entity Framework migrations numerous times before, but I am unable to enable migrations in a new demo project I just created. I have tried the different options recommended on SO Posts but nothing seems to work. Here is how the project was created (essentially following Julia Lerman's book example):...Created a blank Visual Studio solut...

"Error mapping types" error on AutoMapper for ICollection typed members

I'm getting following error message when trying to cast DTO to Model....MEMBER_Model model = Mapper.Map<MEMBER_Model>(item); ...Error mapping types....Mapping types: T_MEMBER -> MEMBER_Model TL.CFM.DATA.T_MEMBER -> TL.CFM.CORE.MEMBER_Model...Type Map configuration: T_MEMBER -> MEMBER_Model TL.CFM.DATA.T_MEMBER -> TL.CFM.CORE.MEMBER_Model...Dest...