public RecordCollection(Database Owner, string FingerTable, bool _UseIdentityProcess = false, bool AutoLoadData = true, string LoadSql = "") : base(new List <Record>()) { SqlCommand cmd; SqlDataReader reader; UseIdentityProcess = _UseIdentityProcess; try { FTable = FingerTable; if (AutoLoadData) { if (!UseIdentityProcess) { itmG = new List <Record>(255); this.owner = Owner; if (LoadSql == "") { LoadSql = "select Features, FingerID from " + FingerTable + " order by fingerID"; } cmd = new SqlCommand(LoadSql, Owner.Connection); cmd.CommandTimeout = 0; reader = cmd.ExecuteReader(CommandBehavior.Default); string id; Record record; while (reader.Read()) { id = reader["FingerID"].ToString(); MemoryStream memStreamTemplate = new MemoryStream((byte[])reader["Features"]); DPFP.Template template = new DPFP.Template(); template.DeSerialize(memStreamTemplate); record = new Record(id, template); Items.Add(record); } } else { // -----------------------------------------------'----------------------------------------------- if (LoadSql == "") { LoadSql = "select Features, FingerID from " + FingerTable + " order by fingerID"; } if (!LoadSql.ToLower().Contains(" order ")) { LoadSql += " order by fingerID"; } cmd = new SqlCommand(LoadSql, Owner.Connection); cmd.CommandTimeout = 0; string CurrentID = ""; string PreviousID = ""; reader = cmd.ExecuteReader(CommandBehavior.Default); DPFP.ID.User Usr = new User(""); Int16 Fingerposition = 0; DPFP.Template template = new DPFP.Template(); string id; while (reader.Read()) { id = reader["FingerID"].ToString(); if (string.IsNullOrEmpty(id.Trim())) { continue; } CurrentID = id; MemoryStream memStreamTemplate = new MemoryStream((byte[])reader["Features"]); template.DeSerialize(memStreamTemplate); if (PreviousID != CurrentID & PreviousID != "") { UserCollection.AddUser(ref Usr); Fingerposition = 0; } if (PreviousID != CurrentID) { Usr = new DPFP.ID.User(id); } Usr.AddTemplate(template, (FingerPosition)Fingerposition); PreviousID = id; Fingerposition += 1; } if (Usr != null) { UserCollection.AddUser(ref Usr); } } cmd.Dispose(); } } catch (Exception ex) { logger.WriteLog(ex); } }
public void GetAllFingerprintsAgain(string FingerTable) { Items.Clear(); SqlConnection sqlcon = new SqlConnection(DPData.Database.ConnectionString); SqlCommand cmd; sqlcon.Open(); try { SqlDataReader reader; if (!UseIdentityProcess) { cmd = new SqlCommand("Select Features, FingerID from " + FingerTable + " " + " ", sqlcon); cmd.CommandTimeout = 0; reader = cmd.ExecuteReader(CommandBehavior.Default); while (reader.Read()) { string id = reader["FingerID"].ToString(); DPFP.Template template = new DPFP.Template(); MemoryStream memStreamTemplate = new MemoryStream((byte[])reader["Features"]); template.DeSerialize(memStreamTemplate); Record record = new Record(id, template); Items.Add(record); } } else { // -----------------------------------------------'----------------------------------------------- cmd = new SqlCommand("select Features, FingerID from fingerprints " + " order by fingerID", sqlcon); cmd.CommandTimeout = 0; string CurrentID = ""; string PreviousID = ""; reader = cmd.ExecuteReader(CommandBehavior.Default); DPFP.ID.User Usr; Int16 Fingerposition = 0; DPFP.Template template = new DPFP.Template(); string id; while (reader.Read()) { id = reader["FingerID"].ToString(); CurrentID = id; MemoryStream memStreamTemplate = new MemoryStream((byte[])reader["Features"]); template.DeSerialize(memStreamTemplate); if (PreviousID != CurrentID & PreviousID != "") { UserCollection.AddUser(ref Usr); Fingerposition = 0; } if (PreviousID != CurrentID) { Usr = new DPFP.ID.User(id); } Usr.AddTemplate(template, (FingerPosition)Fingerposition); PreviousID = id; Fingerposition += 1; } if (Usr != null) { UserCollection.AddUser(ref Usr); } cmd.Dispose(); } } catch (Exception ex) { logger.WriteLog(ex); } }
public RecordCollection(Database Owner, DataTable dt, bool _UseIdentityProcess = false) : base(new List <Record>()) { UseIdentityProcess = _UseIdentityProcess; try { if (!UseIdentityProcess) { itmG = new List <Record>(255); string id; Record record; foreach (DataRow reader in dt.Rows) { id = reader["FingerID"].ToString(); MemoryStream memStreamTemplate = new MemoryStream((byte[])reader["Features"]); DPFP.Template template = new DPFP.Template(); template.DeSerialize(memStreamTemplate); record = new Record(id, template); Items.Add(record); } } else { string CurrentID = ""; string PreviousID = ""; DPFP.ID.User Usr; Int16 Fingerposition = 0; DPFP.Template template = new DPFP.Template(); string id; foreach (DataRow reader in dt.Rows) { id = reader["FingerID"].ToString(); if (string.IsNullOrEmpty(id.Trim())) { continue; } CurrentID = id; MemoryStream memStreamTemplate = new MemoryStream((byte[])reader["Features"]); template.DeSerialize(memStreamTemplate); if (PreviousID != CurrentID & PreviousID != "") { Usr = new User(CurrentID); UserCollection.AddUser(ref Usr); Fingerposition = 0; } if (PreviousID != CurrentID) { Usr = new DPFP.ID.User(id); } Usr.AddTemplate(template, (FingerPosition)Fingerposition); PreviousID = id; Fingerposition += 1; } if (Usr != null) { UserCollection.AddUser(ref Usr); } } } catch (Exception ex) { try { logger.WriteLog(ex); } catch (Exception exx) { } } finally { } }