{"id":5291,"date":"2022-08-21T08:28:38","date_gmt":"2022-08-20T23:28:38","guid":{"rendered":"https:\/\/okamurax.com\/?p=5291"},"modified":"2022-08-23T22:57:54","modified_gmt":"2022-08-23T13:57:54","slug":"c-%e3%83%86%e3%82%ad%e3%82%b9%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%83%abcsv-%e3%82%a4%e3%83%b3%e3%82%af%e3%83%aa%e3%83%a1%e3%83%b3%e3%82%bf%e3%83%ab%e3%82%b5%e3%83%bc%e3%83%81","status":"publish","type":"post","link":"https:\/\/appbay.org\/?p=5291","title":{"rendered":"C# \u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb(CSV) \u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30bf\u30eb\u30b5\u30fc\u30c1"},"content":{"rendered":"<p>\u3082\u3068\u3082\u3068\u8907\u6570\u306e\u30a8\u30af\u30bb\u30eb\u306b\u5206\u5272\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3067\u3001\u90fd\u5ea6\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u691c\u7d22\uff0b\u5408\u8a08\u306e\u8a08\u7b97\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u305f\u3088\u3046\u306a\u306e\u3067\u3001\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb(CSV)\u306b\u307e\u3068\u3081\u3001\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30bf\u30eb\u30b5\u30fc\u30c1\u3067\u884c\u306e\u7d5e\u308a\u8fbc\u307f\uff0b\u9078\u629e\u3057\u305f\u884c\u306e\u5408\u8a08\u3092\u6c42\u3081\u308b\u6a5f\u80fd\u3092\u4f5c\u6210\u3057\u305f\u3002<\/p>\n<pre class=\"lang:c# decode:true \">using System;\r\nusing System.Collections.Generic;\r\nusing System.Data;\r\nusing System.IO;\r\nusing System.Linq;\r\nusing System.Threading;\r\nusing System.Windows.Forms;\r\n\r\nnamespace \u624b\u5165\u529b\u5de5\u6570\u691c\u7d22\r\n{\r\n    public partial class Form1 : Form\r\n    {\r\n        string CsvPath = Application.StartupPath + @\"\\dat.csv\";\r\n        List&lt;string&gt; RawItems = new List&lt;string&gt;();\r\n\r\n        int VisibleCount = 5000;\r\n\r\n        string SearchWords = \"\";\r\n        object LockObject = new object();\r\n        bool CanExit = true;\r\n\r\n        public Form1()\r\n        {\r\n            InitializeComponent();\r\n\r\n            RawItems = File.ReadAllLines(CsvPath).ToList();\r\n\r\n            var delayExecute = new DelayExecute();\r\n            delayExecute.Execute += (s, e) =&gt; UpdateDatasource();\r\n\r\n            textBox1.TextChanged += (s, e) =&gt;\r\n            {\r\n                lock (LockObject)\r\n                {\r\n                    CanExit = false;\r\n                }\r\n                SearchWords = textBox1.Text;\r\n                delayExecute.ReserveExecute();\r\n            };\r\n\r\n            listBox1.SelectedValueChanged += (s, e) =&gt;\r\n            {\r\n                decimal total = 0;\r\n                foreach(var item in listBox1.SelectedItems)\r\n                {\r\n                    var cols = item.ToString().Split(',');\r\n                    decimal.TryParse(cols[5], out decimal parseResult);\r\n                    total += parseResult;\r\n                }\r\n                label2.Text = \"\u4f5c\u696d\u6642\u9593\u5408\u8a08(\u9078\u629e\u884c)\uff1a\" + total.ToString(\"0.00\");\r\n            };\r\n\r\n            this.FormClosing += (s, e) =&gt;\r\n            {\r\n                lock (LockObject)\r\n                {\r\n                    if (!CanExit) e.Cancel = true;\r\n                }\r\n            };\r\n        }\r\n\r\n        private void UpdateDatasource()\r\n        {\r\n            IEnumerable&lt;string&gt; items = new List&lt;string&gt;();\r\n\r\n            if (SearchWords == \"\")\r\n            {\r\n                items = RawItems.Take(VisibleCount);\r\n            }\r\n            else\r\n            {\r\n                List&lt;string&gt; tmpList = new List&lt;string&gt;(RawItems);\r\n\r\n                foreach (string tmpString in SearchWords.Split('|'))\r\n                {\r\n                    tmpList = tmpList.AsParallel().Where(x =&gt; x.ToLower().Contains(tmpString.ToLower())).ToList();\r\n                }\r\n                items = tmpList.Take(VisibleCount);\r\n            }\r\n\r\n            Invoke(new Action(() =&gt; {\r\n                listBox1.DataSource = items.ToList();\r\n            }));\r\n\r\n            lock (LockObject)\r\n            {\r\n                CanExit = true;\r\n            }\r\n        }\r\n    }\r\n\r\n    class DelayExecute\r\n    {\r\n        public event EventHandler Execute;\r\n        private int DelayTime = 500;\r\n\r\n        System.Threading.Timer Timer;\r\n\r\n        public DelayExecute()\r\n        {\r\n            Timer = new System.Threading.Timer(x =&gt; {\r\n                Execute(this, EventArgs.Empty);\r\n            });\r\n        }\r\n\r\n        public void ReserveExecute()\r\n        {\r\n            Timer.Change(DelayTime, Timeout.Infinite);\r\n        }\r\n    }\r\n}\r\n<\/pre>\n<p>DataGridView\u7248<\/p>\n<pre class=\"lang:c# decode:true \">using System;\r\nusing System.Collections.Generic;\r\nusing System.Data;\r\nusing System.Drawing;\r\nusing System.IO;\r\nusing System.Linq;\r\nusing System.Threading;\r\nusing System.Windows.Forms;\r\n\r\nnamespace \u624b\u5165\u529b\u5de5\u6570\u691c\u7d22\r\n{\r\n    public partial class Form1 : Form\r\n    {\r\n        string CsvPath = Application.StartupPath + @\"\\dat.csv\";\r\n        List&lt;string&gt; RawItems = new List&lt;string&gt;();\r\n\r\n        int VisibleCount = 1000;\r\n\r\n        string SearchWords = \"\";\r\n        object LockObject = new object();\r\n        bool CanExit = true;\r\n\r\n        public Form1()\r\n        {\r\n            InitializeComponent();\r\n\r\n            RawItems = File.ReadAllLines(CsvPath).ToList();\r\n\r\n            var delayExecute = new DelayExecute();\r\n            delayExecute.Execute += (s, e) =&gt; UpdateDatasource();\r\n\r\n            textBox1.TextChanged += (s, e) =&gt;\r\n            {\r\n                lock (LockObject)\r\n                {\r\n                    CanExit = false;\r\n                }\r\n                SearchWords = textBox1.Text;\r\n                delayExecute.ReserveExecute();\r\n            };\r\n\r\n            dataGridView1.SelectionChanged  += (s, e) =&gt;\r\n            {\r\n                decimal total = 0;\r\n                foreach (DataGridViewRow row in dataGridView1.SelectedRows)\r\n                {\r\n                    decimal.TryParse(row.Cells[\"\u4f5c\u696d\u6642\u9593\"].Value.ToString(), out decimal parseResult);\r\n                    total += parseResult;\r\n                }\r\n                label2.Text = \"\u4f5c\u696d\u6642\u9593\u5408\u8a08(\u9078\u629e\u884c)\uff1a\" + total.ToString(\"0.00\");\r\n            };\r\n\r\n            this.FormClosing += (s, e) =&gt;\r\n            {\r\n                lock (LockObject)\r\n                {\r\n                    if (!CanExit) e.Cancel = true;\r\n                }\r\n            };\r\n\r\n            SetDgv();\r\n        }\r\n\r\n        private void SetDgv()\r\n        {\r\n            dataGridView1.RowHeadersWidth = 50;\r\n            dataGridView1.SelectionMode = DataGridViewSelectionMode.FullRowSelect;\r\n            dataGridView1.ColumnHeadersDefaultCellStyle.WrapMode = DataGridViewTriState.False;\r\n            dataGridView1.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.DisableResizing;\r\n            dataGridView1.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.None;\r\n            dataGridView1.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.None;\r\n            dataGridView1.Font = new Font(\"\u30e1\u30a4\u30ea\u30aa\", 10);\r\n            dataGridView1.RowTemplate.Height = 22;\r\n            dataGridView1.AllowUserToAddRows = false;\r\n            dataGridView1.ReadOnly = true;\r\n\r\n            typeof(DataGridView).\r\n                GetProperty(\"DoubleBuffered\", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic).\r\n                SetValue(dataGridView1, true, null);\r\n        }\r\n\r\n        private void UpdateDatasource()\r\n        {\r\n            IEnumerable&lt;string&gt; items = new List&lt;string&gt;();\r\n\r\n            if (SearchWords == \"\")\r\n            {\r\n                items = RawItems.Take(VisibleCount);\r\n            }\r\n            else\r\n            {\r\n                List&lt;string&gt; tmpList = new List&lt;string&gt;(RawItems);\r\n\r\n                foreach (string tmpString in SearchWords.Split('|'))\r\n                {\r\n                    tmpList = tmpList.AsParallel().Where(x =&gt; x.ToLower().Contains(tmpString.ToLower())).ToList();\r\n                }\r\n                items = tmpList.Take(VisibleCount);\r\n            }\r\n\r\n            DataSet ds = new DataSet();\r\n            DataTable dt = new DataTable(\"tbl\");\r\n            ds.Tables.Add(dt);\r\n\r\n            string[] cols = new string[]\r\n            { \"\u4f5c\u696d\u8005\",\"\u578b\u5f0f\",\"\u6570\u91cf\",\"\u5de5\u756a\",\"\u4f5c\u696d\u65e5\",\"\u4f5c\u696d\u6642\u9593\",\"\u5099\u8003\",\"\u767b\u9332\u65e5\u6642\" };\r\n\r\n            foreach (string c in cols)\r\n            {\r\n                dt.Columns.Add(c);\r\n            }\r\n\r\n            foreach(string item in items)\r\n            {\r\n                DataRow row = dt.NewRow();\r\n\r\n                string[] vals = item.Split(',');\r\n                row[\"\u4f5c\u696d\u8005\"] = vals[0];\r\n                row[\"\u578b\u5f0f\"] = vals[1];\r\n                row[\"\u6570\u91cf\"] = vals[2];\r\n                row[\"\u5de5\u756a\"] = vals[3];\r\n                row[\"\u4f5c\u696d\u65e5\"] = vals[4];\r\n                row[\"\u4f5c\u696d\u6642\u9593\"] = vals[5];\r\n                row[\"\u5099\u8003\"] = vals[6];\r\n                row[\"\u767b\u9332\u65e5\u6642\"] = vals[7];\r\n\r\n                ds.Tables[\"tbl\"].Rows.Add(row);\r\n            }\r\n\r\n            Invoke(new Action(() =&gt; {\r\n                dataGridView1.DataSource = ds.Tables[\"tbl\"];\r\n                dataGridView1.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.AllCells);\r\n            }));\r\n\r\n            lock (LockObject)\r\n            {\r\n                CanExit = true;\r\n            }\r\n        }\r\n    }\r\n\r\n    class DelayExecute\r\n    {\r\n        public event EventHandler Execute;\r\n        private int DelayTime = 800;\r\n\r\n        System.Threading.Timer Timer;\r\n\r\n        public DelayExecute()\r\n        {\r\n            Timer = new System.Threading.Timer(x =&gt; {\r\n                Execute(this, EventArgs.Empty);\r\n            });\r\n        }\r\n\r\n        public void ReserveExecute()\r\n        {\r\n            Timer.Change(DelayTime, Timeout.Infinite);\r\n        }\r\n    }\r\n}\r\n<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3082\u3068\u3082\u3068\u8907\u6570\u306e\u30a8\u30af\u30bb\u30eb\u306b\u5206\u5272\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3067\u3001\u90fd\u5ea6\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u691c\u7d22\uff0b\u5408\u8a08\u306e\u8a08\u7b97\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u305f\u3088\u3046\u306a\u306e\u3067\u3001\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb(CSV)\u306b\u307e\u3068\u3081\u3001\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30bf\u30eb\u30b5\u30fc\u30c1\u3067\u884c\u306e\u7d5e\u308a\u8fbc\u307f\uff0b\u9078\u629e\u3057\u305f\u884c\u306e\u5408\u8a08\u3092\u6c42\u3081\u308b\u6a5f\u80fd\u3092\u4f5c\u6210\u3057\u305f &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/appbay.org\/?p=5291\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;C# \u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb(CSV) \u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30bf\u30eb\u30b5\u30fc\u30c1&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9],"class_list":["post-5291","post","type-post","status-publish","format-standard","hentry","category-1","tag-c-net"],"_links":{"self":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/5291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5291"}],"version-history":[{"count":3,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/5291\/revisions"}],"predecessor-version":[{"id":5302,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/5291\/revisions\/5302"}],"wp:attachment":[{"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}