private void detach_ApkPermission1(ApkPermission1 entity)
 {
     this.SendPropertyChanging();
     entity.ApkInfo = null;
 }
 partial void UpdateApkPermission1(ApkPermission1 instance);
 partial void DeleteApkPermission1(ApkPermission1 instance);
 partial void InsertApkPermission1(ApkPermission1 instance);