コード例 #1
0
        private long GetMaxTransactionNum()
        {
            string sqlCommandGetMaxTransactionId = @"SELECT TOP 1 BitcoinTransaction.BitcoinTransactionId
                                                     FROM BitcoinTransaction
                                                     ORDER BY BitcoinTransactionId desc";

            return(AdoNetLayer.ConvertDbValue <long>(adoNetLayer.ExecuteScalar(sqlCommandGetMaxTransactionId)));
        }
コード例 #2
0
        public bool DatabaseExists()
        {
            string connectionString = this.databaseConnection.MasterConnectionString;
            using (SqlConnection sqlConnection = new SqlConnection(connectionString))
            {
                sqlConnection.Open();
                AdoNetLayer adoNetLayer = new AdoNetLayer(sqlConnection);

                return AdoNetLayer.ConvertDbValue<int>(adoNetLayer.ExecuteScalar(
                    "SELECT CASE WHEN EXISTS (SELECT * FROM sys.databases WHERE [Name] = @DatabaseName) THEN 1 ELSE 0 END AS DatabaseExists",
                    AdoNetLayer.CreateInputParameter("@DatabaseName", SqlDbType.NVarChar, this.databaseConnection.DatabaseName))) == 1;
            }
        }
コード例 #3
0
        public bool DatabaseExists()
        {
            string connectionString = this.databaseConnection.MasterConnectionString;

            using (SqlConnection sqlConnection = new SqlConnection(connectionString))
            {
                sqlConnection.Open();
                AdoNetLayer adoNetLayer = new AdoNetLayer(sqlConnection);

                return(AdoNetLayer.ConvertDbValue <int>(adoNetLayer.ExecuteScalar(
                                                            "SELECT CASE WHEN EXISTS (SELECT * FROM sys.databases WHERE [Name] = @DatabaseName) THEN 1 ELSE 0 END AS DatabaseExists",
                                                            AdoNetLayer.CreateInputParameter("@DatabaseName", SqlDbType.NVarChar, this.databaseConnection.DatabaseName))) == 1);
            }
        }