示例#1
0
        /// <summary>
        /// 执行一条非查询语句,返回受影响的行数
        /// </summary>
        public int Execute(string sql)
        {
            int           i    = 0;
            SqlConnection conn = new SqlConnection(sqlConnString);

            try
            {
                conn.Open();
            }
            catch
            {
                DBErrorLog.SaveLog("数据库打开错误:\r\n" + sqlConnString + "\r\n");
                throw;
            }
            try
            {
                SqlCommand cmd = new SqlCommand(sql, conn);
                cmd.CommandTimeout = 120;
                i = cmd.ExecuteNonQuery();
            }
            catch
            {
                DBErrorLog.SaveLog("数据库执行错误:\r\n" + sql + "\r\n");
                throw;
            }
            finally
            {
                conn.Close();
            }
            return(i);
        }
示例#2
0
        /// <summary>
        /// 多事务处理
        /// </summary>
        /// <returns></returns>
        public bool multiTransation(List <TransactionBody> Arr)
        {
            SqlConnection conn = new SqlConnection(sqlConnString);
            string        sql  = "";

            try
            {
                conn.Open();
            }
            catch
            {
                throw;
            }
            SqlTransaction trans = conn.BeginTransaction();

            try
            {
                for (int i = 0; i < Arr.Count; i++)
                {
                    sql += "执行语句:" + ((TransactionBody)Arr[i]).SSQLText;
                    SqlCommand cmd = new SqlCommand(((TransactionBody)Arr[i]).SSQLText, conn, trans);
                    cmd.CommandTimeout = 120;
                    if (((TransactionBody)Arr[i]).Parameters != null && ((TransactionBody)Arr[i]).Parameters.Length > 0)
                    {
                        foreach (SqlParameter p in ((TransactionBody)Arr[i]).Parameters)
                        {
                            cmd.Parameters.Add(p);
                            sql += "|参数:" + p.Value;
                        }
                    }
                    cmd.ExecuteNonQuery();
                }
                trans.Commit();
            }
            catch
            {
                DBErrorLog.SaveLog("数据库执行错误:\r\n" + sql + "\r\n");
                trans.Rollback();
                throw;
            }
            finally
            {
                conn.Close();
            }
            return(true);
        }
示例#3
0
        /// <summary>
        /// 单条数据操作数据库(增、删、改)
        /// </summary>
        /// <param name="strSQL">SQL语句</param>
        /// <param name="ds">Dataset</param>
        /// <returns></returns>
        public int ExecuteDataSet(string strSQL, DataSet ds)
        {
            int           i    = 0;
            SqlConnection conn = new SqlConnection(sqlConnString);

            try
            {
                conn.Open();
            }
            catch
            {
                throw;
            }
            SqlTransaction trans = conn.BeginTransaction();

            try
            {
                SqlDataAdapter da = new SqlDataAdapter();
                da.SelectCommand = new SqlCommand(strSQL, conn, trans);
                da.InsertCommand = new SqlCommand("", conn, trans);
                da.UpdateCommand = new SqlCommand("", conn, trans);
                da.DeleteCommand = new SqlCommand("", conn, trans);
                SqlCommandBuilder cb = new SqlCommandBuilder(da);
                da.InsertCommand = cb.GetInsertCommand();
                da.UpdateCommand = cb.GetUpdateCommand();
                da.DeleteCommand = cb.GetDeleteCommand();

                da.Update(ds);
                trans.Commit();
                i = 1;
            }
            catch
            {
                DBErrorLog.SaveLog("数据库执行错误:\r\n" + strSQL + "\r\n");
                trans.Rollback();
                throw;
            }
            finally
            {
                conn.Close();
            }
            return(i);
        }
示例#4
0
        //string connString = GetConnectionString();
        //   string sqlConnString;

        ///// <summary>
        ///// 获取数据库连接字符串
        ///// </summary>
        ///// <returns></returns>
        //public static string GetConnectionString()
        //{
        //    string connString = "";
        //    try
        //    {
        //        if (connString.Equals(""))
        //        {
        //            sqlConnString = System.Configuration.ConfigurationManager.ConnectionStrings["XCCloudDB"].ToString();
        //        }
        //    }
        //    catch
        //    {
        //        DBErrorLog.SaveLog("数据库连接错误:\r\n" + connString + "\r\n");
        //        throw;
        //    }
        //    return sqlConnString;
        //}
        /// <summary>
        /// 数据库查询
        /// </summary>
        /// <param name="strSQL">查询语句</param>
        /// <returns></returns>
        public DataSet ExecuteQuery(string strSQL)
        {
            SqlConnection conn = new SqlConnection(sqlConnString);

            try
            {
                conn.Open();
            }
            catch
            {
                DBErrorLog.SaveLog("数据库打开错误:\r\n" + sqlConnString + "\r\n");
                throw;
            }
            SqlTransaction trans = conn.BeginTransaction();

            if (strSQL.Equals(""))
            {
                return(null);
            }
            DataSet ds = new DataSet();

            try
            {
                SqlDataAdapter da = new SqlDataAdapter();
                da.SelectCommand = new SqlCommand(strSQL, conn, trans);
                da.SelectCommand.CommandTimeout = 120;
                da.Fill(ds);
                trans.Commit();
            }
            catch
            {
                trans.Rollback();
                DBErrorLog.SaveLog("数据库执行错误:\r\n" + strSQL + "\r\n");
                throw;
            }
            finally
            {
                conn.Close();
            }
            return(ds);
        }