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; }