MVC Database First Failed to set database initializer - asp.net-mvc

Question

I am new to MVC and I have already created Database after we generated the ADO entity data model called HRContextEntities and we created just a bankviewmodel and its Repository and its Index view to display the Database Banks in a List:
Context :
public partial class HRContextEntities : DbContext
{
public HRContextEntities()
: base("name=HRContextEntities")
{
}
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
throw new UnintentionalCodeFirstException();
}
public virtual DbSet<ACTIONS> ACTIONS { get; set; }
public virtual DbSet<BANKS> BANKS { get; set; }
public virtual DbSet<EMP_ALAWA> EMP_ALAWA { get; set; }
public virtual DbSet<EMP_CARDS> EMP_CARDS { get; set; }
public virtual DbSet<EMP_DAORA> EMP_DAORA { get; set; }
public virtual DbSet<EMP_DEGREES> EMP_DEGREES { get; set; }
public virtual DbSet<EMP_DEGREES_WORKERS> EMP_DEGREES_WORKERS { get; set; }
public virtual DbSet<EMP_DISSENT> EMP_DISSENT { get; set; }
public virtual DbSet<EMP_EMPLOYEES> EMP_EMPLOYEES { get; set; }
public virtual DbSet<EMP_ENDEMP> EMP_ENDEMP { get; set; }
public virtual DbSet<EMP_ENTEDAB> EMP_ENTEDAB { get; set; }
public virtual DbSet<EMP_EQRAR> EMP_EQRAR { get; set; }
public virtual DbSet<EMP_HASMIAT> EMP_HASMIAT { get; set; }
public virtual DbSet<EMP_HOLIDAYS> EMP_HOLIDAYS { get; set; }
public virtual DbSet<EMP_JOBS> EMP_JOBS { get; set; }
...............................
Bank View Model :
public class BankViewModel
{
public decimal BankID { get; set; }
public string BankName { get; set; }
public string BankSymbol { get; set; }
}
Bank Repository class:
public class BankRepository
{
HRContextEntities db = new HRContextEntities();
public BankViewModel[] GetAll(int? take, int? skip)
{
return db.BANKS.Select(s => new BankViewModel { BankID = s.ID, BankName = s.NAME })
.OrderBy(s => s.BankID).Skip(skip != null ? skip.Value : 0)
.Take(take != null ? take.Value : int.MaxValue).ToArray();
}
}
_Banks Partial View from:
#model IEnumerable<HumanResourceManagement.Models.BankViewModel>
#foreach (var item in Model)
{
<tr class="odd gradeX">
<td>
#item.BankID
</td>
<td>
#item.BankName
</td>
<td>
RYD
</td>
</tr>
}
Exception:
Additional information: Failed to set database initializer of type 'MyProject.Context.Config.ContextInitializer, MyProject.Context' for DbContext type 'App.Context.Default, App.Context' specified in the application configuration. See inner exception for details.
web.config
<contexts>
<context type="App.Context.Default, App.Context">
<databaseInitializer type="MyProject.Context.Config.ContextInitializer, MyProject.Context" />
<!--<databaseInitializer type="MyProject.Context.Config.ContextInitializer, MyProject.Context" />-->
</context>
</contexts>
so what is the solution for this exception

Answer 1

I think your problem lies in your web.config file:
<contexts>
<context type="App.Context.Default, App.Context">
<databaseInitializer type="MyProject.Context.Config.ContextInitializer, MyProject.Context" />
</context>
</contexts>
The context type specifies the fully qualified context class name and the assembly it's in, and the databaseinitializer type specifies the fully qualified name of the initializer class and the assembly it's in. Read this for more info.
Basically, the second param for context type AND databaseinitializer should be the project assembly, not the context. So it should follow this pattern:
<context type=" Blogging.BlogContext, MyAssembly">
<databaseInitializer type="Blogging.MyCustomBlogInitializer, MyAssembly" />
</context>
So in your code, try this (I think your assembly is MyProject):
<contexts>
<context type="MyProject.App.Context, MyProject">
<databaseInitializer type="MyProject.Context.Config.ContextInitializer, MyProject" />
</context>
</contexts>