81 lines
2.6 KiB
C#
81 lines
2.6 KiB
C#
// Copyright (c) 2015-2017 schick Informatik
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// Zugriff auf SQLite Datenbank mit Report Überschriften
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using System.Collections.Generic;
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using System.Data;
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using System.Data.SQLite;
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namespace ENI2.Report
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{
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/// <summary>
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/// Zugriff auf SQLite Datenbank mit Report Überschriften
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/// </summary>
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public class LabelStorage
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{
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private static readonly SQLiteConnection _con;
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private const string _locode_DB_NAME = "report.db";
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private static Dictionary<string, string> _collectionLabelDict = null;
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private static Dictionary<string, string> _fieldLabelDict = null;
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static LabelStorage()
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{
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_con = new SQLiteConnection(string.Format("data source={0}; Version=3;", _locode_DB_NAME));
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_con.Open();
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}
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#region public static properties
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public static Dictionary<string, string> CollectionLabelDict
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{
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get
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{
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if(_collectionLabelDict == null)
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{
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_collectionLabelDict = new Dictionary<string, string>();
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string query = "SELECT Name, Value FROM CollectionLabel";
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SQLiteCommand cmd = new SQLiteCommand(query, _con);
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IDataReader reader = cmd.ExecuteReader();
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while (reader.Read())
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{
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if (!reader.IsDBNull(0) && !reader.IsDBNull(1))
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_collectionLabelDict[reader.GetString(0)] = reader.GetString(1);
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}
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reader.Close();
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}
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return _collectionLabelDict;
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}
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}
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public static Dictionary<string, string> FieldLabelDict
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{
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get
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{
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if (_fieldLabelDict == null)
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{
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_fieldLabelDict = new Dictionary<string, string>();
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string query = "SELECT Name, Value FROM FieldLabel";
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SQLiteCommand cmd = new SQLiteCommand(query, _con);
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IDataReader reader = cmd.ExecuteReader();
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while (reader.Read())
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{
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if (!reader.IsDBNull(0) && !reader.IsDBNull(1))
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_fieldLabelDict[reader.GetString(0)] = reader.GetString(1);
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}
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reader.Close();
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}
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return _fieldLabelDict;
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}
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}
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public static void CloseDB()
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{
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_con.Close();
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}
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#endregion
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}
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}
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