public void Update(Guid Guid, Guid ServerPartitionGUID, Guid? StudyStorageGUID, Guid PatientGUID,
string SpecificCharacterSet, string StudyInstanceUid, string PatientsName, string PatientId,
string IssuerOfPatientId, string PatientsBirthDate, string PatientsAge, string PatientsSex,
string StudyDate, string StudyTime, string AccessionNumber, string StudyId,
string StudyDescription, string ReferringPhysiciansName, int NumberOfStudyRelatedSeries,
int NumberOfStudyRelatedInstances, decimal? StudySizeInKB)
{
var item = new Study();
item.MarkOld();
item.IsLoaded = true;
item.Guid = Guid;
item.ServerPartitionGUID = ServerPartitionGUID;
item.StudyStorageGUID = StudyStorageGUID;
item.PatientGUID = PatientGUID;
item.SpecificCharacterSet = SpecificCharacterSet;
item.StudyInstanceUid = StudyInstanceUid;
item.PatientsName = PatientsName;
item.PatientId = PatientId;
item.IssuerOfPatientId = IssuerOfPatientId;
item.PatientsBirthDate = PatientsBirthDate;
item.PatientsAge = PatientsAge;
item.PatientsSex = PatientsSex;
item.StudyDate = StudyDate;
item.StudyTime = StudyTime;
item.AccessionNumber = AccessionNumber;
item.StudyId = StudyId;
item.StudyDescription = StudyDescription;
item.ReferringPhysiciansName = ReferringPhysiciansName;
item.NumberOfStudyRelatedSeries = NumberOfStudyRelatedSeries;
item.NumberOfStudyRelatedInstances = NumberOfStudyRelatedInstances;
item.StudySizeInKB = StudySizeInKB;
item.Save(UserName);
}