コード例 #1
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        /// <summary>
        /// return the value of the parameter which is sqldbDirection.outPut
        /// </summary>
        /// <param name="v_sStoreProcName"></param>
        /// <param name="v_oSqlParams"></param>
        /// <returns></returns>
        public string ExecuteProcAndGetOutPut(string v_sStoreProcName, SqlParameter[] v_oSqlParams)
        {
            string v_sReturnValue          = "";
            int    v_iOutputIndex          = 0;
            List <SqlParameter> parameters = new List <SqlParameter>();
            SqlTransConn        transConn  = GetConnection();

            foreach (SqlParameter pram in v_oSqlParams)
            {
                if (pram.Direction == ParameterDirection.Output || pram.Direction == ParameterDirection.ReturnValue)
                {
                    v_iOutputIndex = parameters.Count;
                }
                parameters.Add(pram);
            }
            try
            {
                SqlHelper.ExecuteNonQuery(transConn, CommandType.StoredProcedure, v_sStoreProcName, parameters);
                v_sReturnValue = parameters[v_iOutputIndex].Value.ToString();
            }
            catch (Exception ex)
            {
                throw new Exception("Failed to execute store proc:" + v_sStoreProcName, ex);
            }
            finally
            {
                transConn.Close();
            }

            return(v_sReturnValue);
        }
コード例 #2
0
        /// <summary>
        /// Prepare a command for execution
        /// </summary>
        /// <param name="cmd">SqlCommand object</param>
        /// <param name="transConn">SqlTransaction/connection object</param>
        /// <param name="cmdType">Cmd type e.g. stored procedure or text</param>
        /// <param name="cmdText">Command text, e.g. Select * from Products</param>
        /// <param name="cmdParms">SqlParameters to use in the command</param>
        private static void PrepareCommand(SqlCommand cmd, SqlTransConn transConn, CommandType cmdType, string cmdText, List <SqlParameter> parameters)
        {
            SqlConnection conn = transConn.Conn;

            if (conn.State != ConnectionState.Open)
            {
                conn.Open();
            }

            cmd.Connection  = conn;
            cmd.CommandText = cmdText;
            if (transConn.Trans != null)
            {
                cmd.Transaction = transConn.Trans;
            }

            cmd.CommandType = cmdType;
            //设置超时时间
            cmd.CommandTimeout = 120;

            if (parameters != null)
            {
                foreach (SqlParameter parm in parameters)
                {
                    cmd.Parameters.Add(parm);
                }
            }
        }
コード例 #3
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        // does not work
        //        public int Delete(Query query)
        //        {
        //            SqlBuilder builder = InitSqlBuilder(query);
        //            String sql = builder.BuildDelete();
        //            int result;
        //#if DEBUG
        //            m_log.Error(sql);
        //#endif
        //            SqlTransConn transConn = GetConnection();

        //            try
        //            {
        //                using (SqlCommand command = transConn.CreateCommand())
        //                {
        //                    command.CommandText = sql;
        //                    command.CommandType = CommandType.Text;
        //                    List<SqlParameter> parameters = builder.GetSqlParams();

        //                    foreach (SqlParameter parm in parameters)
        //                        command.Parameters.Add(parm);

        //                    result = command.ExecuteNonQuery();

        //                    command.Parameters.Clear();
        //                }
        //            }
        //            catch (Exception ex)
        //            {
        //                throw new Exception(sql, ex);
        //            }
        //            finally
        //            {
        //                transConn.Close();
        //            }

        //            return result;
        //        }



        private void _updateOrAddOrDeleteDBFromBuilder(Query query)
        {
            SqlBuilder   builder   = InitSqlBuilder(query);
            String       sql       = builder.Build();
            SqlTransConn transConn = GetConnection();

            try
            {
                using (SqlCommand command = transConn.CreateCommand())
                {
                    command.CommandText = sql;
                    command.CommandType = CommandType.Text;
                    List <SqlParameter> parameters = builder.GetSqlParams();

                    foreach (SqlParameter parm in parameters)
                    {
                        command.Parameters.Add(parm);
                    }

                    command.ExecuteNonQuery();

                    command.Parameters.Clear();
                }
            }
            catch (Exception ex)
            {
                throw new Exception(sql, ex);
            }
            finally
            {
                transConn.Close();
            }
        }
コード例 #4
0
ファイル: BaseDAO.cs プロジェクト: kingshhh/fxtcode
        private List <T> _findAllFromStoreProc(string storeProcName, List <SqlParameter> parameters)
        {
            List <T>     list      = new List <T>();
            SqlTransConn transConn = GetConnection(_connectionName);

            try
            {
                using (SqlDataReader reader = SqlHelper.ExecuteReader(transConn, CommandType.StoredProcedure, storeProcName, parameters))
                {
                    if (reader.HasRows)
                    {
                        while (reader.Read())
                        {
                            T to = new T();
                            to.Initialize(reader);
                            //LateBinding(ref to, query);
                            list.Add(to);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                throw new Exception("Failed to execute store proc:" + storeProcName, ex);
            }
            finally
            {
                if (!transConn.IsInTransaction())
                {
                    transConn.Close();
                }
            }

            return(list);
        }
コード例 #5
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        /// <summary>
        /// return the value of the parameter which is sqldbDirection.outPut
        /// </summary>
        /// <param name="v_sStoreProcName"></param>
        /// <param name="v_oSqlParams"></param>
        /// <returns></returns>
        public int ExecuteProc(Query query)
        {
            List <SqlParameter> parameters = new List <SqlParameter>();
            SqlTransConn        transConn  = GetConnection();
            string storeProcName           = query.Procedure;

            // generic, no mapping
            // rely on input parameter type

            foreach (string key in query.Parameters.Keys)
            {
                SqlParameter parameter = new SqlParameter(key, query.Parameters[key].Type);
                parameter.Value     = query.Parameters[key].Value;
                parameter.Direction = query.Parameters[key].Direction;
                parameters.Add(parameter);
            }

            int result;

            try
            {
                result = SqlHelper.ExecuteNonQuery(transConn, CommandType.StoredProcedure, storeProcName, parameters);
            }
            catch (Exception ex)
            {
                throw new Exception("Failed to execute store proc:" + storeProcName, ex);
            }
            finally
            {
                transConn.Close();
            }

            return(result);
        }
コード例 #6
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        public void Rollback()
        {
            SqlTransConn transConn = transConnCollection["TransConn_" + connHashKey];

            transConn.Rollback();
            transConnCollection.Remove("TransConn_" + connHashKey);
        }
コード例 #7
0
        public static List <T> ExecuteReader <T>(SqlTransConn transConn, CommandType cmdType, string cmdText, List <SqlParameter> parameters) where T : BaseTO, new()
        {
            List <T> list = new List <T>();

            try
            {
                using (SqlDataReader reader = SqlHelper.ExecuteReader(transConn, cmdType, cmdText, parameters))
                {
                    if (reader.HasRows)
                    {
                        while (reader.Read())
                        {
                            T to = new T();
                            to.Initialize(reader);
                            list.Add(to);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                throw new Exception("Failed to execute sql:" + cmdText, ex);
            }
            finally
            {
                transConn.Close();
            }

            return(list);
        }
コード例 #8
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        public int DeleteByPK(object PKValue)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("Delete from ").Append(TableName);
            sb.Append(" where ").Append(PrimaryKey).Append("=@PKValue");
            List <SqlParameter> parameters = new List <SqlParameter>();

            parameters.Add(new SqlParameter("@PKValue", PKValue));
            SqlTransConn transConn = GetConnection();

            int result = 0;

            try
            {
                result = SqlHelper.ExecuteNonQuery(transConn, CommandType.Text, sb.ToString(), parameters);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message + ":" + sb.ToString(), ex);
            }
            finally
            {
                transConn.Close();
            }

            return(result);
        }
コード例 #9
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        public bool ExecuteNonQuery(string v_sQueryString, SqlParameter[] v_oSqlParams, out int count)
        {
            bool bol = false;

            count = 0;

            SqlTransConn transConn = GetConnection();

            try
            {
                count = SqlHelper.ExecuteNonQuery(transConn, CommandType.Text, v_sQueryString, v_oSqlParams != null ? v_oSqlParams.ToList() : null);
                if (count > 0)
                {
                    bol = true;
                }
            }
            catch (Exception ex)
            {
                throw new Exception(v_sQueryString, ex);
            }
            finally
            {
                transConn.Close();
            }

            return(bol);
        }
コード例 #10
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        /// <summary>
        /// add by peter
        /// date 2010-11-18
        /// </summary>
        /// <param name="v_sQueryString"></param>
        /// <param name="v_oSqlParams"></param>
        public void ExecuteQueryString(string v_sQueryString, SqlParameter[] v_oSqlParams)
        {
            SqlTransConn transConn = GetConnection();

            try
            {
                using (SqlCommand command = transConn.CreateCommand())
                {
                    command.CommandText = v_sQueryString;
                    command.CommandType = CommandType.Text;

                    foreach (SqlParameter parm in v_oSqlParams)
                    {
                        command.Parameters.Add(parm);
                    }
                    command.ExecuteNonQuery();
                    command.Parameters.Clear();
                }
            }
            catch (Exception ex)
            {
                throw new Exception(v_sQueryString, ex);
            }
            finally
            {
                transConn.Close();
            }
        }
コード例 #11
0
ファイル: BaseDAO.cs プロジェクト: kingshhh/fxtcode
        public bool IsReadOnly()
        {
            string sql = @"SELECT is_read_only FROM sys.databases WHERE name = @name";
            List <SqlParameter> parameters = new List <SqlParameter>();
            SqlTransConn        transConn  = GetConnection(_connectionName);

            int result = 0;

            try
            {
                using (SqlCommand command = transConn.CreateCommand())
                {
                    command.CommandText = sql;
                    command.CommandType = CommandType.Text;

                    command.Parameters.Add(new SqlParameter("@name", transConn.Conn.Database));
                    result = System.Convert.ToInt32(command.ExecuteScalar());
                }
            }
            catch (Exception ex)
            {
                throw new Exception("Failed to execute sql:" + sql, ex);
            }
            finally
            {
                if (!transConn.IsInTransaction())
                {
                    transConn.Close();
                }
            }

            return(result > 0);
        }
コード例 #12
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        /// <summary>
        /// Use this if transaction needs to be used ACROSS different DAOs with same DB
        /// Auto get connection if not already done
        /// </summary>
        public SqlTransConn StartSharedConnection()
        {
            SqlTransConn transConn = GetConnection();

            transConnCollection.Add("TransConn_" + connHashKey, transConn);

            return(transConn);
        }
コード例 #13
0
ファイル: BaseDAO.cs プロジェクト: kingshhh/fxtcode
        /// <summary>
        /// Use this if transaction needs to be used ACROSS different DAOs with same DB
        /// Auto get connection if not already done
        /// </summary>
        public static SqlTransConn StartSharedConnection(string connectionName)
        {
            SqlTransConn transConn = GetConnection(connectionName);

            DAGloble.TransactionPool.ThreadSafeWrite <string, SqlTransConn>(connectionName, transConn, "TransactionPool");

            return(transConn);
        }
コード例 #14
0
ファイル: BaseDAO.cs プロジェクト: kingshhh/fxtcode
        /// <summary>
        /// 根据主键数组和给定实体的值更新
        /// </summary>
        /// <param name="to"></param>
        /// <param name="ids"></param>
        /// <param name="enablePKUpdate">是否允许更新主键,用于某些自定义主键需要更新的情况</param>
        public int UpdateFromIds(BaseTO to, long[] ids, bool enablePKUpdate)
        {
            Dictionary <string, object> dict;

            dict = to.GetSQLWriteValues();
            //我把recordcount放在baseTo里面,用于列表分页时返回记录总数,这里新增修改时需要过滤掉 kevin
            dict.Remove("recordcount");
            StringBuilder sb = new StringBuilder();

            sb.Append("update ").Append(_tableName).Append(" set ");
            List <SqlParameter> parameters = new List <SqlParameter>();
            int i = 0;

            string[] primaryKeys = to.GetPrimaryKey <T>();
            foreach (string name in dict.Keys)
            {
                //如果不允许更新主键,不是主键才添加到update语句的更新字段中
                if (enablePKUpdate ? true : !primaryKeys.Contains <string>(name))
                {
                    if (i > 0)
                    {
                        sb.Append(", ");
                    }
                    sb.Append(name).Append("=@").Append(name);
                    parameters.Add(Query.BuilderParam(name, dict[name]));
                    i++;
                }
            }

            if (null == primaryKeys || 0 == primaryKeys.Length)
            {
                throw new ExceptionNoPrimaryKey();
            }
            string idList = string.Join(",", ids);

            sb.Append(" where " + primaryKeys[0] + " in ( " + idList + ")");

            SqlTransConn transConn = GetConnection(_connectionName);
            int          result    = 0;

            try
            {
                result = SqlHelper.ExecuteNonQuery(transConn, CommandType.Text, sb.ToString(), parameters);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message + ":" + sb.ToString(), ex);
            }
            finally
            {
                if (!transConn.IsInTransaction())
                {
                    transConn.Close();
                }
            }

            return(result);
        }
コード例 #15
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        private List <T> _findAllFromBuilder(Query query)
        {
            List <T>   list = new List <T>();
            SqlBuilder builder;
            String     sql;

            try
            {
                builder = InitSqlBuilder(query);
                sql     = builder.Build();
            }
            catch (ExceptionEmptyQuery)
            {
                return(new List <T>());
            }

            SqlTransConn transConn = GetConnection();

            try
            {
                using (SqlCommand command = transConn.CreateCommand())
                {
                    command.CommandText = sql;
                    command.CommandType = CommandType.Text;
                    List <SqlParameter> parameters = builder.GetSqlParams();

                    foreach (SqlParameter parm in parameters)
                    {
                        command.Parameters.Add(parm);
                    }
                    using (SqlDataReader reader = command.ExecuteReader())
                    {
                        if (reader.HasRows)
                        {
                            while (reader.Read())
                            {
                                T to = new T();
                                to.Initialize(reader);
                                LateBinding(ref to, query);
                                list.Add(to);
                            }
                        }
                    }
                    command.Parameters.Clear();
                }
            }
            catch (Exception ex)
            {
                throw new Exception(sql, ex);
            }
            finally
            {
                transConn.Close();
            }

            return(list);
        }
コード例 #16
0
        public static object ExecuteScalar(SqlTransConn transConn, CommandType cmdType, string cmdText, List <SqlParameter> parameters)
        {
            SqlCommand cmd = new SqlCommand();

            PrepareCommand(cmd, transConn, cmdType, cmdText, parameters);
            object val = cmd.ExecuteScalar();

            cmd.Parameters.Clear();
            return(val);
        }
コード例 #17
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        /// <summary>
        /// Close and abort any transaction
        /// </summary>
        public void CloseSharedConnection()
        {
            SqlTransConn transConn = transConnCollection["TransConn_" + connHashKey];

            if (transConn != null)
            {
                transConn.Close();
                transConnCollection.Remove("TransConn_" + connHashKey);
            }
        }
コード例 #18
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        public void Commit()
        {
            SqlTransConn transConn = transConnCollection["TransConn_" + connHashKey];

            transConn.Commit();
            if (!transConn.IsInTransaction())
            {
                transConnCollection.Remove("TransConn_" + connHashKey);
            }
        }
コード例 #19
0
ファイル: BaseDAO.cs プロジェクト: kingshhh/fxtcode
        /// <summary>
        /// Close and abort any transaction
        /// </summary>
        public static void CloseSharedConnection(string connectionName)
        {
            SqlTransConn transConn = DAGloble.TransactionPool.ThreadSafeRead <string, SqlTransConn>(connectionName, "TransactionPool");

            if (transConn != null)
            {
                transConn.Close();
                DAGloble.TransactionPool.ThreadSafeRemove <string, SqlTransConn>(connectionName, "TransactionPool");
            }
        }
コード例 #20
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        public List <T> ExecuteProcAndGetOutput(Query query, out int outParamValue)
        {
            int v_iOutputIndex             = -1;
            List <SqlParameter> parameters = new List <SqlParameter>();
            SqlTransConn        transConn  = GetConnection();
            string storeProcName           = query.Procedure;

            int i = 0;

            foreach (string key in query.Parameters.Keys)
            {
                SqlParameter parameter = new SqlParameter(key, query.Parameters[key].Type);
                parameter.Value     = query.Parameters[key].Value;
                parameter.Direction = query.Parameters[key].Direction;
                parameters.Add(parameter);
                if (parameter.Direction == ParameterDirection.Output || parameter.Direction == ParameterDirection.ReturnValue)
                {
                    v_iOutputIndex = i;
                }
                i++;
            }

            //List<T> result;
            List <T> list = new List <T>();

            try
            {
                using (SqlDataReader reader = SqlHelper.ExecuteReader(transConn, CommandType.StoredProcedure, storeProcName, parameters, false))
                {
                    if (reader.HasRows)
                    {
                        while (reader.Read())
                        {
                            T to = new T();
                            to.Initialize(reader);
                            LateBinding(ref to, query);
                            list.Add(to);
                        }
                    }
                }
                //reader.Close();// Should close DataReader first so that can get parameters value.
                outParamValue = int.Parse(parameters[v_iOutputIndex].Value.ToString());
                //outParamValue = 1;
            }
            catch (Exception ex)
            {
                throw new Exception("Failed to execute store proc:" + storeProcName, ex);
            }
            finally
            {
                transConn.Close();
            }

            return(list);
        }
コード例 #21
0
ファイル: BaseDAO.cs プロジェクト: kingshhh/fxtcode
        private List <T> _findAllFromSQLText(string sql, List <SqlParameter> parameters)
        {
            List <T>     list      = new List <T>();
            SqlTransConn transConn = GetConnection(_connectionName);

            try
            {
                using (SqlCommand command = transConn.CreateCommand())
                {
                    command.CommandText    = sql;
                    command.CommandType    = CommandType.Text;
                    command.CommandTimeout = 120;

                    if (null != parameters)
                    {
                        foreach (SqlParameter parm in parameters)
                        {
                            command.Parameters.Add(parm);
                        }
                    }
                    using (SqlDataReader reader = command.ExecuteReader())
                    {
                        if (reader.HasRows)
                        {
                            while (reader.Read())
                            {
                                T to = new T();
                                to.Initialize(reader);
                                //LateBinding(ref to, query);
                                list.Add(to);
                            }
                        }
                    }
                    command.Parameters.Clear();
                }
            }
            catch (Exception ex)
            {
                throw new Exception(sql + ",message:" + ex.Message, ex);
            }
            finally
            {
                if (!transConn.IsInTransaction())
                {
                    transConn.Close();
                }
            }

            return(list);
        }
コード例 #22
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        /// <summary>
        /// return the value of the parameter which is sqldbDirection.outPut
        /// </summary>
        /// <param name="v_sStoreProcName"></param>
        /// <param name="v_oSqlParams"></param>
        /// <returns></returns>
        public Q ExecuteProcAndGetOutput <Q>(Query query)
        {
            Q v_sReturnValue;

            int v_iOutputIndex             = -1;
            List <SqlParameter> parameters = new List <SqlParameter>();
            SqlTransConn        transConn  = GetConnection();
            string storeProcName           = query.Procedure;
            // generic, no mapping
            // rely on input parameter type

            int i = 0;

            foreach (string key in query.Parameters.Keys)
            {
                SqlParameter parameter = new SqlParameter(key, query.Parameters[key].Type);
                parameter.Value     = query.Parameters[key].Value;
                parameter.Direction = query.Parameters[key].Direction;
                parameters.Add(parameter);
                if (parameter.Direction == ParameterDirection.Output || parameter.Direction == ParameterDirection.ReturnValue)
                {
                    v_iOutputIndex = i;
                }
                i++;
            }

            try
            {
                SqlHelper.ExecuteNonQuery(transConn, CommandType.StoredProcedure, storeProcName, parameters);
                if (v_iOutputIndex > -1)
                {
                    v_sReturnValue = (Q)parameters[v_iOutputIndex].Value;
                }
                else
                {
                    v_sReturnValue = default(Q);
                }
            }
            catch (Exception ex)
            {
                throw new Exception("Failed to execute store proc:" + storeProcName, ex);
            }
            finally
            {
                transConn.Close();
            }

            return(v_sReturnValue);
        }
コード例 #23
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        private void _updateOrAddOrDeleteDBFromStoreProc(Query query)
        {
            List <SqlParameter> parameters = new List <SqlParameter>();

            string storeProcName;

            if (StoreProcMap != null && StoreProcMap.ContainsKey(query.Procedure))
            {
                Query.StoreProcType storeproc = this.StoreProcMap[query.Procedure];
                storeProcName = storeproc.Name;

                foreach (string key in storeproc.Parameters.Keys)
                {
                    // use parameter type from storeproc definition
                    SqlParameter parameter = new SqlParameter(key, storeproc.Parameters[key]);
                    parameter.Value = query.Parameters[key].Value;
                    parameters.Add(parameter);
                }
            }
            else
            {
                storeProcName = query.Procedure;
                // generic, no mapping
                // rely on input parameter type
                foreach (string key in query.Parameters.Keys)
                {
                    SqlParameter parameter = new SqlParameter(key, query.Parameters[key].Type);
                    parameter.Value = query.Parameters[key].Value;
                    parameters.Add(parameter);
                }
            }

            SqlTransConn transConn = GetConnection();

            try
            {
                SqlHelper.ExecuteNonQuery(transConn, CommandType.StoredProcedure, storeProcName, parameters);
            }
            catch (Exception ex)
            {
                throw new Exception("Failed to execute store proc:" + storeProcName, ex);
            }
            finally
            {
                transConn.Close();
            }
        }
コード例 #24
0
ファイル: BaseDAO.cs プロジェクト: kingshhh/fxtcode
        public int DeleteByPKArray(long[] idArrar)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("Delete from ").Append(_tableName);
            string[] primaryKeys = BaseTO.GetSQLPrimaryKey(BaseTO.GetTableName <T>());
            if (null == primaryKeys || 0 == primaryKeys.Length)
            {
                throw new ExceptionNoPrimaryKey();
            }
            if (1 < primaryKeys.Length)
            {
                //此方法只用于实体类只有一个主键的情况
                throw new ExceptionErrorPrimaryKeyNumber();
            }
            string idList = string.Join(",", idArrar);

            sb.Append(" where ")
            .Append(primaryKeys[0])
            .Append(" in (")
            .Append(idList)
            .Append(")");
            List <SqlParameter> parameters = new List <SqlParameter>();

            SqlTransConn transConn = GetConnection(_connectionName);

            int result = 0;

            try
            {
                result = SqlHelper.ExecuteNonQuery(transConn, CommandType.Text, sb.ToString(), null);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message + ":" + sb.ToString(), ex);
            }
            finally
            {
                if (!transConn.IsInTransaction())
                {
                    transConn.Close();
                }
            }

            return(result);
        }
コード例 #25
0
ファイル: BaseDAO.cs プロジェクト: kingshhh/fxtcode
        /// <summary>
        /// create a new connection (to avoid connection sharing issue) if transaction was not started
        /// return a shared connection (with transaction on) if transaction was started
        /// </summary>
        protected static SqlTransConn GetConnection(string connectionName)
        {
            SqlTransConn transConn = DAGloble.TransactionPool.ContainsKey(connectionName) ? DAGloble.TransactionPool.ThreadSafeRead <string, SqlTransConn>(connectionName, "TransactionPool") : null;

            if (transConn == null)
            {
                transConn = new SqlTransConn(SqlServerSet.GetConnectionString(connectionName));
            }
            else
            {
                if (transConn.Conn.State != ConnectionState.Open)//Transcation is running, open a new connection
                {
                    transConn = new SqlTransConn(SqlServerSet.GetConnectionString(connectionName));
                }
            }

            return(transConn);
        }
コード例 #26
0
ファイル: BaseDAO.cs プロジェクト: kingshhh/fxtcode
        public int DeleteByPK(long id)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("Delete from ").Append(_tableName);
            string[] primaryKeys = BaseTO.GetSQLPrimaryKey(BaseTO.GetTableName <T>());
            if (null == primaryKeys || 0 == primaryKeys.Length)
            {
                throw new ExceptionNoPrimaryKey();
            }
            if (1 < primaryKeys.Length)
            {
                //此方法只用于实体类只能有一个主键的情况
                throw new ExceptionErrorPrimaryKeyNumber();
            }
            sb.Append(" where ").Append(primaryKeys[0]).Append("=@PKValue");
            List <SqlParameter> parameters = new List <SqlParameter>();

            SqlParameter parameter = new SqlParameter("@PKValue", SqlDbType.Int, 0);

            parameter.Value = id;
            parameters.Add(parameter);
            SqlTransConn transConn = GetConnection(_connectionName);

            int result = 0;

            try
            {
                result = SqlHelper.ExecuteNonQuery(transConn, CommandType.Text, sb.ToString(), parameters);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message + ":" + sb.ToString(), ex);
            }
            finally
            {
                if (!transConn.IsInTransaction())
                {
                    transConn.Close();
                }
            }

            return(result);
        }
コード例 #27
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        public int UpdateFromTO(BaseTO to, object PKValue)
        {
            Dictionary <string, object> dict = to.GetSQLWriteValues();

            StringBuilder sb = new StringBuilder();

            sb.Append("update ").Append(TableName).Append(" set ");
            List <SqlParameter> parameters = new List <SqlParameter>();
            int i = 0;

            foreach (string name in dict.Keys)
            {
                if (i > 0)
                {
                    sb.Append(", ");
                }
                sb.Append(name).Append("=@").Append(name);
                parameters.Add(Query.BuilderParam(name, dict[name]));
                i++;
            }

            sb.Append(" where ").Append(PrimaryKey).Append("=@PKValue");
            parameters.Add(new SqlParameter("@PKValue", PKValue));


            SqlTransConn transConn = GetConnection();

            int result = 0;

            try
            {
                result = SqlHelper.ExecuteNonQuery(transConn, CommandType.Text, sb.ToString(), parameters);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message + ":" + sb.ToString(), ex);
            }
            finally
            {
                transConn.Close();
            }

            return(result);
        }
コード例 #28
0
ファイル: BaseDAHelper.cs プロジェクト: kingshhh/fxtcode
        public int InsertFromTO(BaseTO to)
        {
            Dictionary <string, object> dict = to.GetSQLWriteValues();

            StringBuilder sb = new StringBuilder();

            sb.Append("Insert into ").Append(TableName).Append(" (");
            sb.Append(String.Join(", ", dict.Keys.ToArray()));
            sb.Append(") values (");
            List <SqlParameter> parameters = new List <SqlParameter>();
            int i = 0;

            foreach (string name in dict.Keys)
            {
                if (i > 0)
                {
                    sb.Append(", ");
                }
                sb.Append("@").Append(name);
                parameters.Add(Query.BuilderParam(name, dict[name]));
                i++;
            }
            sb.Append(")");

            SqlTransConn transConn = GetConnection();

            int result = 0;

            try
            {
                result = SqlHelper.ExecuteNonQuery(transConn, CommandType.Text, sb.ToString(), parameters);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message + ":" + sb.ToString(), ex);
            }
            finally
            {
                transConn.Close();
            }

            return(result);
        }
コード例 #29
0
        public static SqlDataReader ExecuteReader(SqlTransConn transConn, CommandType cmdType, string cmdText, List <SqlParameter> parameters)
        {
            SqlCommand cmd = new SqlCommand();

            // we use a try/catch here because if the method throws an exception we want to
            // close the connection throw code, because no datareader will exist, hence the
            // commandBehaviour.CloseConnection will not work
            try
            {
                PrepareCommand(cmd, transConn, cmdType, cmdText, parameters);
                SqlDataReader rdr = cmd.ExecuteReader(!transConn.IsInTransaction() ? CommandBehavior.CloseConnection : CommandBehavior.Default);
                cmd.Parameters.Clear();
                return(rdr);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
コード例 #30
0
ファイル: BaseDAO.cs プロジェクト: kingshhh/fxtcode
        public int DeleteByPK(T t)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("Delete from ").Append(_tableName);
            string[] primaryKeys = t.GetPrimaryKey <T>();
            if (null == primaryKeys || 0 == primaryKeys.Length)
            {
                throw new ExceptionNoPrimaryKey();
            }
            sb.Append(" where 1=1");
            List <SqlParameter> parameters = new List <SqlParameter>();

            foreach (string pk in primaryKeys)
            {
                sb.Append(" and ").Append(pk).Append("=@" + pk);
                SqlParameter parameter = new SqlParameter("@" + pk, SqlDbType.NVarChar);
                parameter.Value = t.GetPropertyValue(pk);
                parameters.Add(parameter);
            }

            SqlTransConn transConn = GetConnection(_connectionName);

            int result = 0;

            try
            {
                result = SqlHelper.ExecuteNonQuery(transConn, CommandType.Text, sb.ToString(), parameters);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message + ":" + sb.ToString(), ex);
            }
            finally
            {
                if (!transConn.IsInTransaction())
                {
                    transConn.Close();
                }
            }

            return(result);
        }