AccessProviderSample.AccessDBProvider.RemoveTable C# (CSharp) Метод

        private void RemoveTable(string tableName)
        {
            // validate if tablename is valid and if table is present
            if (String.IsNullOrEmpty(tableName) || !TableNameIsValid(tableName) || !TableIsPresent(tableName))
            {
                return;
            }

            // Execute command using ODBC connection to remove a table
            try
            {
                // delete the table using an sql statement
                string sql = "drop table " + tableName;

                AccessDBPSDriveInfo di = this.PSDriveInfo as AccessDBPSDriveInfo;

                if (di == null)
                {
                    return;
                }
                OdbcConnection connection = di.Connection;

                OdbcCommand cmd = new OdbcCommand(sql, connection);
                cmd.ExecuteScalar();
            }
            catch (Exception ex)
            {
                WriteError(new ErrorRecord(ex, "CannotRemoveSpecifiedTable",
                          ErrorCategory.InvalidOperation, null)
                          );
            }
        }