partial void DeleteinstructionalMaterial(instructionalMaterial instance);
 partial void InsertinstructionalMaterial(instructionalMaterial instance);
 partial void UpdateinstructionalMaterial(instructionalMaterial instance);
    public bool isInstructionalMaterialAdded( string material )
    {
        if (!instructionalMaterialExists( material )) {

            try {
                instructionalMaterial im = new instructionalMaterial() {
                    material = material
                };

                MOE_DB.instructionalMaterials.InsertOnSubmit( im );
                MOE_DB.SubmitChanges();
                return true;
            }
            catch (Exception ex) {
                return false;
            }//try catch
        }
        else
            return false;
    }