How to pass Parameter to stored procedure which i am connected to Entity Framework in MVC4

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C#

MVC4

entity-framework

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I my program i have to Insert the Company details to Data base ,and i have stored proc to insert and update .I have mentioned Type parameter I and U (i.e insert and update) in my stored proc. Based on the type passed from front end operation should perform . I have connected Db through Entity framework

private PTMEntities1 db = new PTMEntities1();

And my post method

 [HttpPost]
    public ActionResult Company(Company comp)
    {
        Guid companyId = new Guid();
        comp.CompanyId = companyId;

        Guid createdBy =new Guid( "6B2FA75B-8A7F-4CF2-BBF7-9C5728308E0C");
        comp.CreatedBy = createdBy;

        db.Companies.Add(comp);
        db.SaveChanges();
        return View(comp);
    }
}

I have to pass type here .

Am getting error Error 1 Error 2037: A mapping function bindings specifies a function PTMModel.Store.Company_Insert_Update but does not map the following function parameters: Type. D:\Checked pro's\ATSSample\ATSSample\Models\Model1.edmx 1259 17 ATSSample

Am not getting how to pass parameter to stored proc which i connected through Entity Framework in MVC4 .

Please look through this .suggest me any idea .

Thanks in advance ...