Exemplo n.º 1
0
        public static void CreateTable()
        {
            string dbPath = testDatabaseName;

            //如果不存在改数据库文件,则创建该数据库文件
            if (!System.IO.File.Exists(dbPath))
            {
                SQLiteDBHelper.CreateDB(testDatabaseName);
            }

            bool tableExist = false;

            using (SQLiteConnection connection = new SQLiteConnection("Data Source=" + dbPath))
            {
                connection.Open();
                using (SQLiteCommand command = new SQLiteCommand(connection))
                {
                    command.CommandText = "select count(*) from sqlite_master where type = 'table' and name = 'Test3'";
                    int num = Convert.ToInt32(command.ExecuteScalar());
                    if (num > 0)
                    {
                        tableExist = true;
                    }
                }
            }

            if (!tableExist)
            {
                SQLiteDBHelper db  = new SQLiteDBHelper(testDatabaseName);
                string         sql = "CREATE TABLE Test3(id integer NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,Name char(3),TypeName varchar(50),addDate datetime,UpdateTime Date,Time time,Comments blob)";
                db.ExecuteNonQuery(sql, null);
            }
        }
Exemplo n.º 2
0
        static public bool SentToDB()
        {
            if (!System.IO.File.Exists(dbPath))
            {
                SQLiteDBHelper.CreateDB(dbPath);
            }

            bool tableExist = false;

            using (SQLiteConnection connection = new SQLiteConnection("Data Source=" + dbPath))
            {
                connection.Open();
                using (SQLiteCommand command = new SQLiteCommand(connection))
                {
                    command.CommandText = "select count(*) from sqlite_master where type = 'table' and name = '" + existFilessName + "'";
                    int num = Convert.ToInt32(command.ExecuteScalar());
                    if (num > 0)
                    {
                        tableExist = true;
                    }
                }
            }

            SQLiteDBHelper db  = null;
            string         sql = null;

            if (tableExist)
            {
                db  = new SQLiteDBHelper(dbPath);
                sql = "DROP TABLE " + existFilessName;
                db.ExecuteNonQuery(sql, null);
            }

            db = new SQLiteDBHelper(dbPath);

            sql = "CREATE TABLE " + existFilessName + @"(
                    name  TEXT,         
                    filePath   TEXT )";
            db.ExecuteNonQuery(sql, null);

            sql = "INSERT INTO " + existFilessName + "(name,filePath)values(@name, @filePath)";
            db  = new SQLiteDBHelper(dbPath);
            for (int i = 0; i < g_FileInfoCollector.Count; i++)
            {
                SQLiteParameter[] parameters = new SQLiteParameter[] {
                    new SQLiteParameter("@name", ((FileInformation)g_FileInfoCollector[i]).FileName),
                    new SQLiteParameter("@filePath", ((FileInformation)g_FileInfoCollector[i]).FullName)
                };
                db.ExecuteNonQuery(sql, parameters);
            }

            return(true);
        }