{"id":1659,"date":"2012-12-27T17:38:03","date_gmt":"2012-12-27T08:38:03","guid":{"rendered":"http:\/\/auctionpro.co.kr\/?p=1659"},"modified":"2012-12-27T17:38:03","modified_gmt":"2012-12-27T08:38:03","slug":"use-where-to-filer-object-list","status":"publish","type":"post","link":"https:\/\/www.auctionpro.co.kr\/?p=1659","title":{"rendered":"Use where to filer object list"},"content":{"rendered":"<p><span style=\"color: #7f0055;\"><b>using\u00a0<\/b><\/span><span style=\"color: #000000;\">System;<\/span><br \/>\n<span style=\"color: #7f0055;\"><b>using\u00a0<\/b><\/span><span style=\"color: #000000;\">System.Collections.Generic;<\/span><br \/>\n<span style=\"color: #7f0055;\"><b>using\u00a0<\/b><\/span><span style=\"color: #000000;\">System.Linq;<\/span><br \/>\n<span style=\"color: #7f0055;\"><b>using\u00a0<\/b><\/span><span style=\"color: #000000;\">System.Text;<\/span><\/p>\n<p><span style=\"color: #7f0055;\"><b>public\u00a0class\u00a0<\/b><\/span><span style=\"color: #000000;\">MainClass\u00a0<\/span><span style=\"color: #000000;\">{<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>public\u00a0static\u00a0<\/b><\/span><span style=\"color: #7f0055;\"><b>void\u00a0<\/b><\/span><span style=\"color: #000000;\">Main<\/span><span style=\"color: #000000;\">()\u00a0{<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">List&lt;Product&gt;\u00a0products\u00a0=\u00a0GetProductList<\/span><span style=\"color: #000000;\">()<\/span><span style=\"color: #000000;\">;<\/span><\/p>\n<p><span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">var\u00a0soldOutProducts\u00a0=<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>from\u00a0<\/b><\/span><span style=\"color: #000000;\">p\u00a0in\u00a0products<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>where\u00a0<\/b><\/span><span style=\"color: #000000;\">p.UnitsInStock\u00a0==\u00a0<\/span><span style=\"color: #990000;\">0<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>select\u00a0<\/b><\/span><span style=\"color: #000000;\">p;<\/span><\/p>\n<p><span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">Console.WriteLine<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #2a00ff;\">&#8220;Sold\u00a0out\u00a0products:&#8221;<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">foreach\u00a0<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">var\u00a0product\u00a0in\u00a0soldOutProducts<\/span><span style=\"color: #000000;\">)\u00a0{<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">Console.WriteLine<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #2a00ff;\">&#8220;{0}\u00a0is\u00a0sold\u00a0out!&#8221;<\/span><span style=\"color: #000000;\">,\u00a0product.ProductName<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">}<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">}<\/span><\/p>\n<p><span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>static\u00a0<\/b><\/span><span style=\"color: #000000;\">List&lt;Product&gt;\u00a0GetProductList<\/span><span style=\"color: #000000;\">()\u00a0{<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">List&lt;Product&gt;\u00a0empTree\u00a0=\u00a0<\/span><span style=\"color: #7f0055;\"><b>new\u00a0<\/b><\/span><span style=\"color: #000000;\">List&lt;Product&gt;<\/span><span style=\"color: #000000;\">()<\/span><span style=\"color: #000000;\">;<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">empTree.Add<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #7f0055;\"><b>new\u00a0<\/b><\/span><span style=\"color: #000000;\">Product\u00a0<\/span><span style=\"color: #000000;\">{\u00a0<\/span><span style=\"color: #000000;\">ProductName\u00a0=\u00a0<\/span><span style=\"color: #2a00ff;\">&#8220;A&#8221;<\/span><span style=\"color: #000000;\">,\u00a0Category\u00a0=\u00a0<\/span><span style=\"color: #2a00ff;\">&#8220;O&#8221;<\/span><span style=\"color: #000000;\">,\u00a0UnitPrice\u00a0=\u00a0<\/span><span style=\"color: #990000;\">12<\/span><span style=\"color: #000000;\">,\u00a0UnitsInStock\u00a0=\u00a0<\/span><span style=\"color: #990000;\">5<\/span><span style=\"color: #000000;\">,\u00a0Total\u00a0=\u00a0<\/span><span style=\"color: #990000;\">36<\/span><span style=\"color: #000000;\">,\u00a0OrderDate\u00a0=\u00a0<\/span><span style=\"color: #7f0055;\"><b>new\u00a0<\/b><\/span><span style=\"color: #000000;\">DateTime<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #990000;\">2005<\/span><span style=\"color: #000000;\">,\u00a0<\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">,\u00a0<\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">,\u00a0Id\u00a0=\u00a0<\/span><span style=\"color: #990000;\">1\u00a0<\/span><span style=\"color: #000000;\">})<\/span><span style=\"color: #000000;\">;<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">empTree.Add<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #7f0055;\"><b>new\u00a0<\/b><\/span><span style=\"color: #000000;\">Product\u00a0<\/span><span style=\"color: #000000;\">{\u00a0<\/span><span style=\"color: #000000;\">ProductName\u00a0=\u00a0<\/span><span style=\"color: #2a00ff;\">&#8220;B&#8221;<\/span><span style=\"color: #000000;\">,\u00a0Category\u00a0=\u00a0<\/span><span style=\"color: #2a00ff;\">&#8220;O&#8221;<\/span><span style=\"color: #000000;\">,\u00a0UnitPrice\u00a0=\u00a0<\/span><span style=\"color: #990000;\">2<\/span><span style=\"color: #000000;\">,\u00a0UnitsInStock\u00a0=\u00a0<\/span><span style=\"color: #990000;\">4<\/span><span style=\"color: #000000;\">,\u00a0Total\u00a0=\u00a0<\/span><span style=\"color: #990000;\">35<\/span><span style=\"color: #000000;\">,\u00a0OrderDate\u00a0=\u00a0<\/span><span style=\"color: #7f0055;\"><b>new\u00a0<\/b><\/span><span style=\"color: #000000;\">DateTime<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #990000;\">2005<\/span><span style=\"color: #000000;\">,\u00a0<\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">,\u00a0<\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">,\u00a0Id\u00a0=\u00a0<\/span><span style=\"color: #990000;\">1\u00a0<\/span><span style=\"color: #000000;\">})<\/span><span style=\"color: #000000;\">;<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">empTree.Add<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #7f0055;\"><b>new\u00a0<\/b><\/span><span style=\"color: #000000;\">Product\u00a0<\/span><span style=\"color: #000000;\">{\u00a0<\/span><span style=\"color: #000000;\">ProductName\u00a0=\u00a0<\/span><span style=\"color: #2a00ff;\">&#8220;C&#8221;<\/span><span style=\"color: #000000;\">,\u00a0Category\u00a0=\u00a0<\/span><span style=\"color: #2a00ff;\">&#8220;O&#8221;<\/span><span style=\"color: #000000;\">,\u00a0UnitPrice\u00a0=\u00a0<\/span><span style=\"color: #990000;\">112<\/span><span style=\"color: #000000;\">,\u00a0UnitsInStock\u00a0=\u00a0<\/span><span style=\"color: #990000;\">3<\/span><span style=\"color: #000000;\">,\u00a0Total\u00a0=\u00a0<\/span><span style=\"color: #990000;\">34<\/span><span style=\"color: #000000;\">,\u00a0OrderDate\u00a0=\u00a0<\/span><span style=\"color: #7f0055;\"><b>new\u00a0<\/b><\/span><span style=\"color: #000000;\">DateTime<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #990000;\">2005<\/span><span style=\"color: #000000;\">,\u00a0<\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">,\u00a0<\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">,\u00a0Id\u00a0=\u00a0<\/span><span style=\"color: #990000;\">1\u00a0<\/span><span style=\"color: #000000;\">})<\/span><span style=\"color: #000000;\">;<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">empTree.Add<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #7f0055;\"><b>new\u00a0<\/b><\/span><span style=\"color: #000000;\">Product\u00a0<\/span><span style=\"color: #000000;\">{\u00a0<\/span><span style=\"color: #000000;\">ProductName\u00a0=\u00a0<\/span><span style=\"color: #2a00ff;\">&#8220;D&#8221;<\/span><span style=\"color: #000000;\">,\u00a0Category\u00a0=\u00a0<\/span><span style=\"color: #2a00ff;\">&#8220;O&#8221;<\/span><span style=\"color: #000000;\">,\u00a0UnitPrice\u00a0=\u00a0<\/span><span style=\"color: #990000;\">112<\/span><span style=\"color: #000000;\">,\u00a0UnitsInStock\u00a0=\u00a0<\/span><span style=\"color: #990000;\">0<\/span><span style=\"color: #000000;\">,\u00a0Total\u00a0=\u00a0<\/span><span style=\"color: #990000;\">33<\/span><span style=\"color: #000000;\">,\u00a0OrderDate\u00a0=\u00a0<\/span><span style=\"color: #7f0055;\"><b>new\u00a0<\/b><\/span><span style=\"color: #000000;\">DateTime<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #990000;\">2005<\/span><span style=\"color: #000000;\">,\u00a0<\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">,\u00a0<\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">,\u00a0Id\u00a0=\u00a0<\/span><span style=\"color: #990000;\">1\u00a0<\/span><span style=\"color: #000000;\">})<\/span><span style=\"color: #000000;\">;<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">empTree.Add<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #7f0055;\"><b>new\u00a0<\/b><\/span><span style=\"color: #000000;\">Product\u00a0<\/span><span style=\"color: #000000;\">{\u00a0<\/span><span style=\"color: #000000;\">ProductName\u00a0=\u00a0<\/span><span style=\"color: #2a00ff;\">&#8220;E&#8221;<\/span><span style=\"color: #000000;\">,\u00a0Category\u00a0=\u00a0<\/span><span style=\"color: #2a00ff;\">&#8220;O&#8221;<\/span><span style=\"color: #000000;\">,\u00a0UnitPrice\u00a0=\u00a0<\/span><span style=\"color: #990000;\">1112<\/span><span style=\"color: #000000;\">,\u00a0UnitsInStock\u00a0=\u00a0<\/span><span style=\"color: #990000;\">2<\/span><span style=\"color: #000000;\">,\u00a0Total\u00a0=\u00a0<\/span><span style=\"color: #990000;\">32<\/span><span style=\"color: #000000;\">,\u00a0OrderDate\u00a0=\u00a0<\/span><span style=\"color: #7f0055;\"><b>new\u00a0<\/b><\/span><span style=\"color: #000000;\">DateTime<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #990000;\">2005<\/span><span style=\"color: #000000;\">,\u00a0<\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">,\u00a0<\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">,\u00a0Id\u00a0=\u00a0<\/span><span style=\"color: #990000;\">1\u00a0<\/span><span style=\"color: #000000;\">})<\/span><span style=\"color: #000000;\">;<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">empTree.Add<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #7f0055;\"><b>new\u00a0<\/b><\/span><span style=\"color: #000000;\">Product\u00a0<\/span><span style=\"color: #000000;\">{\u00a0<\/span><span style=\"color: #000000;\">ProductName\u00a0=\u00a0<\/span><span style=\"color: #2a00ff;\">&#8220;F&#8221;<\/span><span style=\"color: #000000;\">,\u00a0Category\u00a0=\u00a0<\/span><span style=\"color: #2a00ff;\">&#8220;O&#8221;<\/span><span style=\"color: #000000;\">,\u00a0UnitPrice\u00a0=\u00a0<\/span><span style=\"color: #990000;\">11112<\/span><span style=\"color: #000000;\">,\u00a0UnitsInStock\u00a0=\u00a0<\/span><span style=\"color: #990000;\">0<\/span><span style=\"color: #000000;\">,\u00a0Total\u00a0=\u00a0<\/span><span style=\"color: #990000;\">31<\/span><span style=\"color: #000000;\">,\u00a0OrderDate\u00a0=\u00a0<\/span><span style=\"color: #7f0055;\"><b>new\u00a0<\/b><\/span><span style=\"color: #000000;\">DateTime<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #990000;\">2005<\/span><span style=\"color: #000000;\">,\u00a0<\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">,\u00a0<\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">,\u00a0Id\u00a0=\u00a0<\/span><span style=\"color: #990000;\">1\u00a0<\/span><span style=\"color: #000000;\">})<\/span><span style=\"color: #000000;\">;<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>return\u00a0<\/b><\/span><span style=\"color: #000000;\">empTree;<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">}<\/span><br \/>\n<span style=\"color: #000000;\">}<\/span><\/p>\n<p><span style=\"color: #7f0055;\"><b>class\u00a0<\/b><\/span><span style=\"color: #000000;\">Product\u00a0:\u00a0IComparable&lt;Product&gt;\u00a0<\/span><span style=\"color: #000000;\">{<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>public\u00a0<\/b><\/span><span style=\"color: #000000;\">string\u00a0ProductName\u00a0<\/span><span style=\"color: #000000;\">{\u00a0<\/span><span style=\"color: #000000;\">get;\u00a0set;\u00a0<\/span><span style=\"color: #000000;\">}<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>public\u00a0<\/b><\/span><span style=\"color: #000000;\">string\u00a0Category\u00a0<\/span><span style=\"color: #000000;\">{\u00a0<\/span><span style=\"color: #000000;\">get;\u00a0set;\u00a0<\/span><span style=\"color: #000000;\">}<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>public\u00a0<\/b><\/span><span style=\"color: #7f0055;\"><b>int\u00a0<\/b><\/span><span style=\"color: #000000;\">UnitPrice\u00a0<\/span><span style=\"color: #000000;\">{\u00a0<\/span><span style=\"color: #000000;\">get;\u00a0set;\u00a0<\/span><span style=\"color: #000000;\">}<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>public\u00a0<\/b><\/span><span style=\"color: #7f0055;\"><b>int\u00a0<\/b><\/span><span style=\"color: #000000;\">UnitsInStock\u00a0<\/span><span style=\"color: #000000;\">{\u00a0<\/span><span style=\"color: #000000;\">get;\u00a0set;\u00a0<\/span><span style=\"color: #000000;\">}<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>public\u00a0<\/b><\/span><span style=\"color: #7f0055;\"><b>int\u00a0<\/b><\/span><span style=\"color: #000000;\">Total\u00a0<\/span><span style=\"color: #000000;\">{\u00a0<\/span><span style=\"color: #000000;\">get;\u00a0set;\u00a0<\/span><span style=\"color: #000000;\">}<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>public\u00a0<\/b><\/span><span style=\"color: #000000;\">DateTime\u00a0OrderDate\u00a0<\/span><span style=\"color: #000000;\">{\u00a0<\/span><span style=\"color: #000000;\">get;\u00a0set;\u00a0<\/span><span style=\"color: #000000;\">}<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>public\u00a0<\/b><\/span><span style=\"color: #7f0055;\"><b>int\u00a0<\/b><\/span><span style=\"color: #000000;\">Id\u00a0<\/span><span style=\"color: #000000;\">{\u00a0<\/span><span style=\"color: #000000;\">get;\u00a0set;\u00a0<\/span><span style=\"color: #000000;\">}<\/span><\/p>\n<p><span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>public\u00a0<\/b><\/span><span style=\"color: #000000;\">override\u00a0string\u00a0ToString<\/span><span style=\"color: #000000;\">()\u00a0{<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>return\u00a0<\/b><\/span><span style=\"color: #000000;\">String.Format<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #2a00ff;\">&#8220;Id:\u00a0{0},\u00a0Name:\u00a0{1}\u00a0,\u00a0Category:\u00a0{3}&#8221;<\/span><span style=\"color: #000000;\">,\u00a0<\/span><span style=\"color: #7f0055;\"><b>this<\/b><\/span><span style=\"color: #000000;\">.Id,\u00a0<\/span><span style=\"color: #7f0055;\"><b>this<\/b><\/span><span style=\"color: #000000;\">.ProductName,\u00a0<\/span><span style=\"color: #7f0055;\"><b>this<\/b><\/span><span style=\"color: #000000;\">.Category<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">}<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>int\u00a0<\/b><\/span><span style=\"color: #000000;\">IComparable&lt;Product&gt;.CompareTo<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">Product\u00a0other<\/span><span style=\"color: #000000;\">)\u00a0{<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>if\u00a0<\/b><\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">other\u00a0==\u00a0<\/span><span style=\"color: #7f0055;\"><b>null<\/b><\/span><span style=\"color: #000000;\">)<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>return\u00a0<\/b><\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">;<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>if\u00a0<\/b><\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #7f0055;\"><b>this<\/b><\/span><span style=\"color: #000000;\">.Id\u00a0&gt;\u00a0other.Id<\/span><span style=\"color: #000000;\">)<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>return\u00a0<\/b><\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">;<\/span><\/p>\n<p><span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>if\u00a0<\/b><\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #7f0055;\"><b>this<\/b><\/span><span style=\"color: #000000;\">.Id\u00a0&lt;\u00a0other.Id<\/span><span style=\"color: #000000;\">)<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>return\u00a0<\/b><\/span><span style=\"color: #000000;\">&#8211;<\/span><span style=\"color: #990000;\">1<\/span><span style=\"color: #000000;\">;<\/span><\/p>\n<p><span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #7f0055;\"><b>return\u00a0<\/b><\/span><span style=\"color: #990000;\">0<\/span><span style=\"color: #000000;\">;<\/span><br \/>\n<span style=\"color: #ffffff;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #000000;\">}<\/span><br \/>\n<span style=\"color: #000000;\">}<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>using\u00a0System; using\u00a0System.Collections.Generic; using\u00a0System.Linq; using\u00a0System.Text; public\u00a0class\u00a0MainClass\u00a0{ \u00a0\u00a0\u00a0\u00a0public\u00a0static\u00a0void\u00a0Main()\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0List&lt;Product&gt;\u00a0products\u00a0=\u00a0GetProductList(); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0var\u00a0soldOutProducts\u00a0= \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0from\u00a0p\u00a0in\u00a0products \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0where\u00a0p.UnitsInStock\u00a0==\u00a00 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0select\u00a0p; \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Console.WriteLine(&#8220;Sold\u00a0out\u00a0products:&#8221;); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0foreach\u00a0(var\u00a0product\u00a0in\u00a0soldOutProducts)\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Console.WriteLine(&#8220;{0}\u00a0is\u00a0sold\u00a0out!&#8221;,\u00a0product.ProductName); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0} \u00a0\u00a0\u00a0\u00a0} \u00a0\u00a0\u00a0\u00a0static\u00a0List&lt;Product&gt;\u00a0GetProductList()\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0List&lt;Product&gt;\u00a0empTree\u00a0=\u00a0new\u00a0List&lt;Product&gt;(); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0empTree.Add(new\u00a0Product\u00a0{\u00a0ProductName\u00a0=\u00a0&#8220;A&#8221;,\u00a0Category\u00a0=\u00a0&#8220;O&#8221;,\u00a0UnitPrice\u00a0=\u00a012,\u00a0UnitsInStock\u00a0=\u00a05,\u00a0Total\u00a0=\u00a036,\u00a0OrderDate\u00a0=\u00a0new\u00a0DateTime(2005,\u00a01,\u00a01),\u00a0Id\u00a0=\u00a01\u00a0}); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0empTree.Add(new\u00a0Product\u00a0{\u00a0ProductName\u00a0=\u00a0&#8220;B&#8221;,\u00a0Category\u00a0=\u00a0&#8220;O&#8221;,\u00a0UnitPrice\u00a0=\u00a02,\u00a0UnitsInStock\u00a0=\u00a04,\u00a0Total\u00a0=\u00a035,\u00a0OrderDate\u00a0=\u00a0new\u00a0DateTime(2005,\u00a01,\u00a01),\u00a0Id\u00a0=\u00a01\u00a0}); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0empTree.Add(new\u00a0Product\u00a0{\u00a0ProductName\u00a0=\u00a0&#8220;C&#8221;,\u00a0Category\u00a0=\u00a0&#8220;O&#8221;,\u00a0UnitPrice\u00a0=\u00a0112,\u00a0UnitsInStock\u00a0=\u00a03,\u00a0Total\u00a0=\u00a034,\u00a0OrderDate\u00a0=\u00a0new\u00a0DateTime(2005,\u00a01,\u00a01),\u00a0Id\u00a0=\u00a01\u00a0}); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0empTree.Add(new\u00a0Product\u00a0{\u00a0ProductName\u00a0=\u00a0&#8220;D&#8221;,\u00a0Category\u00a0=\u00a0&#8220;O&#8221;,\u00a0UnitPrice\u00a0=\u00a0112,\u00a0UnitsInStock\u00a0=\u00a00,\u00a0Total\u00a0=\u00a033,\u00a0OrderDate\u00a0=\u00a0new\u00a0DateTime(2005,\u00a01,\u00a01),\u00a0Id\u00a0=\u00a01\u00a0}); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0empTree.Add(new\u00a0Product\u00a0{\u00a0ProductName\u00a0=\u00a0&#8220;E&#8221;,\u00a0Category\u00a0=\u00a0&#8220;O&#8221;,\u00a0UnitPrice\u00a0=\u00a01112,\u00a0UnitsInStock\u00a0=\u00a02,\u00a0Total\u00a0=\u00a032,\u00a0OrderDate\u00a0=\u00a0new\u00a0DateTime(2005,\u00a01,\u00a01),\u00a0Id\u00a0=\u00a01\u00a0}); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0empTree.Add(new\u00a0Product\u00a0{\u00a0ProductName\u00a0=\u00a0&#8220;F&#8221;,\u00a0Category\u00a0=\u00a0&#8220;O&#8221;,\u00a0UnitPrice\u00a0=\u00a011112,\u00a0UnitsInStock\u00a0=\u00a00,\u00a0Total\u00a0=\u00a031,\u00a0OrderDate\u00a0=\u00a0new\u00a0DateTime(2005,\u00a01,\u00a01),\u00a0Id\u00a0=\u00a01\u00a0}); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return\u00a0empTree; <a class=\"mh-excerpt-more\" href=\"https:\/\/www.auctionpro.co.kr\/?p=1659\" title=\"Use where to filer object list\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":6,"featured_media":1743,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-1659","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-devc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Use where to filer object list - AuctionPro<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.auctionpro.co.kr\/?p=1659\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Use where to filer object list - AuctionPro\" \/>\n<meta property=\"og:description\" content=\"using\u00a0System; using\u00a0System.Collections.Generic; using\u00a0System.Linq; using\u00a0System.Text; public\u00a0class\u00a0MainClass\u00a0{ \u00a0\u00a0\u00a0\u00a0public\u00a0static\u00a0void\u00a0Main()\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0List&lt;Product&gt;\u00a0products\u00a0=\u00a0GetProductList(); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0var\u00a0soldOutProducts\u00a0= \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0from\u00a0p\u00a0in\u00a0products \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0where\u00a0p.UnitsInStock\u00a0==\u00a00 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0select\u00a0p; \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Console.WriteLine(&#8220;Sold\u00a0out\u00a0products:&#8221;); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0foreach\u00a0(var\u00a0product\u00a0in\u00a0soldOutProducts)\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Console.WriteLine(&#8220;{0}\u00a0is\u00a0sold\u00a0out!&#8221;,\u00a0product.ProductName); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0} \u00a0\u00a0\u00a0\u00a0} \u00a0\u00a0\u00a0\u00a0static\u00a0List&lt;Product&gt;\u00a0GetProductList()\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0List&lt;Product&gt;\u00a0empTree\u00a0=\u00a0new\u00a0List&lt;Product&gt;(); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0empTree.Add(new\u00a0Product\u00a0{\u00a0ProductName\u00a0=\u00a0&#8220;A&#8221;,\u00a0Category\u00a0=\u00a0&#8220;O&#8221;,\u00a0UnitPrice\u00a0=\u00a012,\u00a0UnitsInStock\u00a0=\u00a05,\u00a0Total\u00a0=\u00a036,\u00a0OrderDate\u00a0=\u00a0new\u00a0DateTime(2005,\u00a01,\u00a01),\u00a0Id\u00a0=\u00a01\u00a0}); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0empTree.Add(new\u00a0Product\u00a0{\u00a0ProductName\u00a0=\u00a0&#8220;B&#8221;,\u00a0Category\u00a0=\u00a0&#8220;O&#8221;,\u00a0UnitPrice\u00a0=\u00a02,\u00a0UnitsInStock\u00a0=\u00a04,\u00a0Total\u00a0=\u00a035,\u00a0OrderDate\u00a0=\u00a0new\u00a0DateTime(2005,\u00a01,\u00a01),\u00a0Id\u00a0=\u00a01\u00a0}); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0empTree.Add(new\u00a0Product\u00a0{\u00a0ProductName\u00a0=\u00a0&#8220;C&#8221;,\u00a0Category\u00a0=\u00a0&#8220;O&#8221;,\u00a0UnitPrice\u00a0=\u00a0112,\u00a0UnitsInStock\u00a0=\u00a03,\u00a0Total\u00a0=\u00a034,\u00a0OrderDate\u00a0=\u00a0new\u00a0DateTime(2005,\u00a01,\u00a01),\u00a0Id\u00a0=\u00a01\u00a0}); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0empTree.Add(new\u00a0Product\u00a0{\u00a0ProductName\u00a0=\u00a0&#8220;D&#8221;,\u00a0Category\u00a0=\u00a0&#8220;O&#8221;,\u00a0UnitPrice\u00a0=\u00a0112,\u00a0UnitsInStock\u00a0=\u00a00,\u00a0Total\u00a0=\u00a033,\u00a0OrderDate\u00a0=\u00a0new\u00a0DateTime(2005,\u00a01,\u00a01),\u00a0Id\u00a0=\u00a01\u00a0}); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0empTree.Add(new\u00a0Product\u00a0{\u00a0ProductName\u00a0=\u00a0&#8220;E&#8221;,\u00a0Category\u00a0=\u00a0&#8220;O&#8221;,\u00a0UnitPrice\u00a0=\u00a01112,\u00a0UnitsInStock\u00a0=\u00a02,\u00a0Total\u00a0=\u00a032,\u00a0OrderDate\u00a0=\u00a0new\u00a0DateTime(2005,\u00a01,\u00a01),\u00a0Id\u00a0=\u00a01\u00a0}); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0empTree.Add(new\u00a0Product\u00a0{\u00a0ProductName\u00a0=\u00a0&#8220;F&#8221;,\u00a0Category\u00a0=\u00a0&#8220;O&#8221;,\u00a0UnitPrice\u00a0=\u00a011112,\u00a0UnitsInStock\u00a0=\u00a00,\u00a0Total\u00a0=\u00a031,\u00a0OrderDate\u00a0=\u00a0new\u00a0DateTime(2005,\u00a01,\u00a01),\u00a0Id\u00a0=\u00a01\u00a0}); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return\u00a0empTree; [...]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.auctionpro.co.kr\/?p=1659\" \/>\n<meta property=\"og:site_name\" content=\"AuctionPro\" \/>\n<meta property=\"article:published_time\" content=\"2012-12-27T08:38:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.auctionpro.co.kr\/wp-content\/uploads\/2013\/01\/icon_csharp.gif\" \/>\n\t<meta property=\"og:image:width\" content=\"32\" \/>\n\t<meta property=\"og:image:height\" content=\"32\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/gif\" \/>\n<meta name=\"author\" content=\"golgol\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"golgol\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\ubd84\" \/>\n<script type=\"application\/ld+json\" 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