LeaveCriticalArea() public static method

public static LeaveCriticalArea ( ) : void
return void
示例#1
0
        public void SQLExecuteScalar(string sqlstr, ref uint index)
        {
            bool criticalarea = ClientManager.enteredcriarea;

            if (criticalarea)
            {
                ClientManager.LeaveCriticalArea();
            }
            DatabaseWaitress.EnterCriticalArea();
            try
            {
                if (sqlstr.Substring(sqlstr.Length - 1) != ";")
                {
                    sqlstr += ";";
                }
                sqlstr += "SELECT LAST_INSERT_ID();";
                index   = Convert.ToUInt32(MySqlHelper.ExecuteScalar(db, sqlstr));
            }
            catch (Exception ex)
            {
                Logger.ShowSQL("Error on query:" + sqlstr, null);
                Logger.ShowSQL(ex, null);
            }
            DatabaseWaitress.LeaveCriticalArea();
            if (criticalarea)
            {
                ClientManager.EnterCriticalArea();
            }
        }
示例#2
0
        /// <summary>
        /// 执行一个SQL语句(INSERT)返回当前ID
        /// </summary>
        /// <param name="sql">SQL语句</param>
        /// <param name="a">临时变量</param>
        /// <returns>当前ID</returns>
        public int ExeSql(string sql, int a)
        {
            int  identity     = -1;
            bool criticalarea = ClientManager.enteredcriarea;

            if (criticalarea)
            {
                ClientManager.LeaveCriticalArea();
            }
            DatabaseWaitress.EnterCriticalArea();

            // 打开
            this.Open();

            SqlCommand cmd = new SqlCommand();

            cmd.Connection = this._conn;
            if (isTransaction == true)
            {
                cmd.Transaction = this._trans;
            }
            cmd.CommandText = sql + " select @@identity as 'identity'";
            try
            {
                // 第一行第一列的值为当前ID
                SqlDataReader dr = cmd.ExecuteReader();

                if (dr.Read())
                {
                    identity = int.Parse(dr[0].ToString());
                }

                dr.Close();
            }
            catch (Exception ex)
            {
                Logger.ShowSQL("Error on query:" + sql, null);
                Logger.ShowSQL(ex, null);
            }
            DatabaseWaitress.LeaveCriticalArea();
            if (criticalarea)
            {
                ClientManager.EnterCriticalArea();
            }
            // 释放
            //this.Close();

            return(identity);
        }
示例#3
0
        /// <summary>
        /// 获取DataTable
        /// </summary>
        /// <param name="sql">SQL语句</param>
        /// <returns>DataTable</returns>
        public DataTable GetDataTable(string sql)
        {
            bool criticalarea = ClientManager.enteredcriarea;

            if (criticalarea)
            {
                ClientManager.LeaveCriticalArea();
            }
            DatabaseWaitress.EnterCriticalArea();
            // 打开
            this.Open();

            SqlCommand cmd = new SqlCommand();

            cmd.Connection = this._conn;
            if (isTransaction == true)
            {
                cmd.Transaction = this._trans;
            }
            DataTable      dt = new DataTable();
            SqlDataAdapter da = new SqlDataAdapter();

            cmd.CommandText  = sql;
            da.SelectCommand = cmd;
            try
            {
                da.Fill(dt);
            }
            catch (Exception ex)
            {
                Logger.ShowSQL("Error on query:" + sql, null);
                Logger.ShowSQL(ex, null);
            }

            // 释放
            //this.Close();
            DatabaseWaitress.LeaveCriticalArea();
            if (criticalarea)
            {
                ClientManager.EnterCriticalArea();
            }
            return(dt);
        }
示例#4
0
        public DataRowCollection SQLExecuteQuery(string sqlstr)
        {
            DataRowCollection result;
            DataSet           tmp;
            bool criticalarea = ClientManager.enteredcriarea;

            if (criticalarea)
            {
                ClientManager.LeaveCriticalArea();
            }
            DatabaseWaitress.EnterCriticalArea();
            try
            {
                tmp = MySqlHelper.ExecuteDataset(db, sqlstr);
                if (tmp.Tables.Count == 0)
                {
                    throw new Exception("Unexpected Empty Query Result!");
                }
                result = tmp.Tables[0].Rows;
                DatabaseWaitress.LeaveCriticalArea();
                if (criticalarea)
                {
                    ClientManager.EnterCriticalArea();
                }
                return(result);
            }
            catch (Exception ex)
            {
                Logger.ShowSQL("Error on query:" + sqlstr, null);
                Logger.ShowSQL(ex, null);
                DatabaseWaitress.LeaveCriticalArea();
                if (criticalarea)
                {
                    ClientManager.EnterCriticalArea();
                }
                return(null);
            }
        }
示例#5
0
        /// <summary>
        /// 执行一个SQL语句(UPDATE,INSERT)
        /// </summary>
        /// <param name="sql">SQL语句</param>
        public void ExeSql(string sql)
        {
            // 打开
            bool criticalarea = ClientManager.enteredcriarea;

            if (criticalarea)
            {
                ClientManager.LeaveCriticalArea();
            }
            DatabaseWaitress.EnterCriticalArea();
            this.Open();

            SqlCommand cmd = new SqlCommand();

            cmd.Connection = this._conn;
            if (isTransaction == true)
            {
                cmd.Transaction = this._trans;
            }
            cmd.CommandText = sql;
            try
            {
                cmd.ExecuteNonQuery();
            }
            catch (Exception ex)
            {
                Logger.ShowSQL("Error on query:" + sql, null);
                Logger.ShowSQL(ex, null);
            }
            DatabaseWaitress.LeaveCriticalArea();
            if (criticalarea)
            {
                ClientManager.EnterCriticalArea();
            }
            // 释放
            //this.Close();
        }
示例#6
0
        public void SQLExecuteNonQuery(string sqlstr)
        {
            bool criticalarea = ClientManager.enteredcriarea;

            if (criticalarea)
            {
                ClientManager.LeaveCriticalArea();
            }
            DatabaseWaitress.EnterCriticalArea();
            try
            {
                MySqlHelper.ExecuteNonQuery(db, sqlstr, null);
            }
            catch (Exception ex)
            {
                Logger.ShowSQL("Error on query:" + sqlstr, null);
                Logger.ShowSQL(ex, null);
            }
            DatabaseWaitress.LeaveCriticalArea();
            if (criticalarea)
            {
                ClientManager.EnterCriticalArea();
            }
        }