public NavigationPropertyBindingConfiguration HasManyBinding <TTargetType, TDerivedType>(
Expression <Func <TDerivedType, IEnumerable <TTargetType> > > navigationExpression,
string targetEntitySet)
where TTargetType : class
where TDerivedType : class, TStructuralType
{
if (navigationExpression == null)
{
throw Error.ArgumentNull("navigationExpression");
}
if (String.IsNullOrEmpty(targetEntitySet))
{
throw Error.ArgumentNullOrEmpty("targetEntitySet");
}
StructuralTypeConfiguration <TDerivedType> derivedConfiguration;
if (this._structuralType.Configuration.Kind == EdmTypeKind.Entity)
{
derivedConfiguration = _modelBuilder.EntityType <TDerivedType>().DerivesFrom <TStructuralType>();
}
else
{
derivedConfiguration = _modelBuilder.ComplexType <TDerivedType>().DerivesFrom <TStructuralType>();
}
NavigationPropertyConfiguration navigation = derivedConfiguration.HasMany(navigationExpression);
IList <MemberInfo> bindingPath = new List <MemberInfo>(_bindingPath);
bindingPath.Add(TypeHelper.AsMemberInfo(typeof(TDerivedType)));
bindingPath.Add(navigation.PropertyInfo);
NavigationSourceConfiguration entitySet = _modelBuilder.EntitySet <TTargetType>(targetEntitySet).Configuration;
return(_navigationSource.AddBinding(navigation, entitySet, bindingPath));
}
