No This is not the namespace that you are using.
Namespace should be just be below these global declarations
[global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="eImageModel", Name="Files")]
Namespace name should be below this and above your partial class .
If it no there do like this
[global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="eImageModel", Name="Files")]
/****New Added line **/
namespace YourNameSpace //it should use in Using cluase on pages.
{
/********/
public partial class YourDataContextName : global::System.Data.Objects.ObjectContext
{....}
/****closing braces of namespace added **/
}
/********/