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TreeList

Single Row Selection

Documentation
The TreeList widget supports two row selection modes: single and multiple. In this demo, the single mode is utilized. To select a row, just click it.
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window.onload = function() { var viewModel = { treeListOptions: { dataSource: employees, keyExpr: "ID", parentIdExpr: "Head_ID", columnAutoWidth: true, showRowLines: true, selection: { mode: "single" }, columns: [{ dataField: "Full_Name" }, { dataField: "Title", caption: "Position" }, "City", "State", { dataField: "Hire_Date", dataType: "date", width: 120 } ], expandedRowKeys: [1] } }; ko.applyBindings(viewModel, document.getElementById("tree-list-demo")); };
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <script src="js/jquery-3.1.0.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.0/knockout-min.js"></script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.6/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.6/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/17.1.6/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/17.1.6/js/dx.all.js"></script> <script src="data.js"></script> <link rel="stylesheet" type ="text/css" href ="styles.css" /> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="tree-list-demo"> <div id="employees" data-bind="dxTreeList: treeListOptions"></div> </div> </div> </body> </html>
#employees { max-height: 440px; }
var employees = [{ "ID": 1, "Head_ID": 0, "Full_Name": "John Heart", "Prefix": "Mr.", "Title": "CEO", "City": "Los Angeles", "State": "California", "Email": "jheart@dx-email.com", "Skype": "jheart_DX_skype", "Mobile_Phone": "(213) 555-9392", "Birth_Date": "1964-03-16", "Hire_Date": "1995-01-15" }, { "ID": 2, "Head_ID": 1, "Full_Name": "Samantha Bright", "Prefix": "Dr.", "Title": "COO", "City": "Los Angeles", "State": "California", "Email": "samanthab@dx-email.com", "Skype": "samanthab_DX_skype", "Mobile_Phone": "(213) 555-2858", "Birth_Date": "1966-05-02", "Hire_Date": "2004-05-24" }, { "ID": 3, "Head_ID": 1, "Full_Name": "Arthur Miller", "Prefix": "Mr.", "Title": "CTO", "City": "Denver", "State": "Colorado", "Email": "arthurm@dx-email.com", "Skype": "arthurm_DX_skype", "Mobile_Phone": "(310) 555-8583", "Birth_Date": "1972-07-11", "Hire_Date": "2007-12-18" }, { "ID": 4, "Head_ID": 1, "Full_Name": "Robert Reagan", "Prefix": "Mr.", "Title": "CMO", "City": "Bentonville", "State": "Arkansas", "Email": "robertr@dx-email.com", "Skype": "robertr_DX_skype", "Mobile_Phone": "(818) 555-2387", "Birth_Date": "1974-09-07", "Hire_Date": "2002-11-08" }, { "ID": 5, "Head_ID": 1, "Full_Name": "Greta Sims", "Prefix": "Ms.", "Title": "HR Manager", "City": "Atlanta", "State": "Georgia", "Email": "gretas@dx-email.com", "Skype": "gretas_DX_skype", "Mobile_Phone": "(818) 555-6546", "Birth_Date": "1977-11-22", "Hire_Date": "1998-04-23" }, { "ID": 6, "Head_ID": 3, "Full_Name": "Brett Wade", "Prefix": "Mr.", "Title": "IT Manager", "City": "Reno", "State": "Nevada", "Email": "brettw@dx-email.com", "Skype": "brettw_DX_skype", "Mobile_Phone": "(626) 555-0358", "Birth_Date": "1968-12-01", "Hire_Date": "2009-03-06" }, { "ID": 7, "Head_ID": 5, "Full_Name": "Sandra Johnson", "Prefix": "Mrs.", "Title": "Controller", "City": "Beaver", "State": "Utah", "Email": "sandraj@dx-email.com", "Skype": "sandraj_DX_skype", "Mobile_Phone": "(562) 555-2082", "Birth_Date": "1974-11-15", "Hire_Date": "2005-05-11" }, { "ID": 8, "Head_ID": 4, "Full_Name": "Ed Holmes", "Prefix": "Dr.", "Title": "Sales Manager", "City": "Malibu", "State": "California", "Email": "edwardh@dx-email.com", "Skype": "edwardh_DX_skype", "Mobile_Phone": "(310) 555-1288", "Birth_Date": "1973-07-14", "Hire_Date": "2005-06-19" }, { "ID": 9, "Head_ID": 3, "Full_Name": "Barb Banks", "Prefix": "Mrs.", "Title": "Support Manager", "City": "Phoenix", "State": "Arizona", "Email": "barbarab@dx-email.com", "Skype": "barbarab_DX_skype", "Mobile_Phone": "(310) 555-3355", "Birth_Date": "1979-04-14", "Hire_Date": "2002-08-07" }, { "ID": 10, "Head_ID": 2, "Full_Name": "Kevin Carter", "Prefix": "Mr.", "Title": "Shipping Manager", "City": "San Diego", "State": "California", "Email": "kevinc@dx-email.com", "Skype": "kevinc_DX_skype", "Mobile_Phone": "(213) 555-2840", "Birth_Date": "1978-01-09", "Hire_Date": "2009-08-11" }, { "ID": 11, "Head_ID": 5, "Full_Name": "Cindy Stanwick", "Prefix": "Ms.", "Title": "HR Assistant", "City": "Little Rock", "State": "Arkansas", "Email": "cindys@dx-email.com", "Skype": "cindys_DX_skype", "Mobile_Phone": "(818) 555-6655", "Birth_Date": "1985-06-05", "Hire_Date": "2008-03-24" }, { "ID": 12, "Head_ID": 8, "Full_Name": "Sammy Hill", "Prefix": "Mr.", "Title": "Sales Assistant", "City": "Pasadena", "State": "California", "Email": "sammyh@dx-email.com", "Skype": "sammyh_DX_skype", "Mobile_Phone": "(626) 555-7292", "Birth_Date": "1984-02-17", "Hire_Date": "2012-02-01" }, { "ID": 13, "Head_ID": 10, "Full_Name": "Davey Jones", "Prefix": "Mr.", "Title": "Shipping Assistant", "City": "Pasadena", "State": "California", "Email": "davidj@dx-email.com", "Skype": "davidj_DX_skype", "Mobile_Phone": "(626) 555-0281", "Birth_Date": "1983-03-06", "Hire_Date": "2011-04-24" }, { "ID": 14, "Head_ID": 10, "Full_Name": "Victor Norris", "Prefix": "Mr.", "Title": "Shipping Assistant", "City": "Little Rock", "State": "Arkansas", "Email": "victorn@dx-email.com", "Skype": "victorn_DX_skype", "Mobile_Phone": "(213) 555-9278", "Birth_Date": "1986-07-23", "Hire_Date": "2012-07-23" }, { "ID": 15, "Head_ID": 10, "Full_Name": "Mary Stern", "Prefix": "Ms.", "Title": "Shipping Assistant", "City": "Beaver", "State": "Utah", "Email": "marys@dx-email.com", "Skype": "marys_DX_skype", "Mobile_Phone": "(818) 555-7857", "Birth_Date": "1982-04-08", "Hire_Date": "2012-08-12" }, { "ID": 16, "Head_ID": 10, "Full_Name": "Robin Cosworth", "Prefix": "Mrs.", "Title": "Shipping Assistant", "City": "Los Angeles", "State": "California", "Email": "robinc@dx-email.com", "Skype": "robinc_DX_skype", "Mobile_Phone": "(818) 555-0942", "Birth_Date": "1981-06-12", "Hire_Date": "2012-09-01" }, { "ID": 17, "Head_ID": 9, "Full_Name": "Kelly Rodriguez", "Prefix": "Ms.", "Title": "Support Assistant", "City": "Boise", "State": "Idaho", "Email": "kellyr@dx-email.com", "Skype": "kellyr_DX_skype", "Mobile_Phone": "(818) 555-9248", "Birth_Date": "1988-05-11", "Hire_Date": "2012-10-13" }, { "ID": 18, "Head_ID": 9, "Full_Name": "James Anderson", "Prefix": "Mr.", "Title": "Support Assistant", "City": "Atlanta", "State": "Georgia", "Email": "jamesa@dx-email.com", "Skype": "jamesa_DX_skype", "Mobile_Phone": "(323) 555-4702", "Birth_Date": "1987-01-29", "Hire_Date": "2012-10-18" }, { "ID": 19, "Head_ID": 9, "Full_Name": "Antony Remmen", "Prefix": "Mr.", "Title": "Support Assistant", "City": "Boise", "State": "Idaho", "Email": "anthonyr@dx-email.com", "Skype": "anthonyr_DX_skype", "Mobile_Phone": "(310) 555-6625", "Birth_Date": "1986-02-19", "Hire_Date": "2013-01-19" }, { "ID": 20, "Head_ID": 8, "Full_Name": "Olivia Peyton", "Prefix": "Mrs.", "Title": "Sales Assistant", "City": "Atlanta", "State": "Georgia", "Email": "oliviap@dx-email.com", "Skype": "oliviap_DX_skype", "Mobile_Phone": "(310) 555-2728", "Birth_Date": "1981-06-03", "Hire_Date": "2012-05-14" }, { "ID": 21, "Head_ID": 6, "Full_Name": "Taylor Riley", "Prefix": "Mr.", "Title": "Network Admin", "City": "San Jose", "State": "California", "Email": "taylorr@dx-email.com", "Skype": "taylorr_DX_skype", "Mobile_Phone": "(310) 555-7276", "Birth_Date": "1982-08-14", "Hire_Date": "2012-04-14" }, { "ID": 22, "Head_ID": 6, "Full_Name": "Amelia Harper", "Prefix": "Mrs.", "Title": "Network Admin", "City": "Los Angeles", "State": "California", "Email": "ameliah@dx-email.com", "Skype": "ameliah_DX_skype", "Mobile_Phone": "(213) 555-4276", "Birth_Date": "1983-11-19", "Hire_Date": "2011-02-10" }, { "ID": 23, "Head_ID": 6, "Full_Name": "Wally Hobbs", "Prefix": "Mr.", "Title": "Programmer", "City": "Chatsworth", "State": "California", "Email": "wallyh@dx-email.com", "Skype": "wallyh_DX_skype", "Mobile_Phone": "(818) 555-8872", "Birth_Date": "1984-12-24", "Hire_Date": "2011-02-17" }, { "ID": 24, "Head_ID": 6, "Full_Name": "Brad Jameson", "Prefix": "Mr.", "Title": "Programmer", "City": "San Fernando", "State": "California", "Email": "bradleyj@dx-email.com", "Skype": "bradleyj_DX_skype", "Mobile_Phone": "(818) 555-4646", "Birth_Date": "1988-10-12", "Hire_Date": "2011-03-02" }, { "ID": 25, "Head_ID": 6, "Full_Name": "Karen Goodson", "Prefix": "Miss", "Title": "Programmer", "City": "South Pasadena", "State": "California", "Email": "kareng@dx-email.com", "Skype": "kareng_DX_skype", "Mobile_Phone": "(626) 555-0908", "Birth_Date": "1987-04-26", "Hire_Date": "2011-03-14" }, { "ID": 26, "Head_ID": 5, "Full_Name": "Marcus Orbison", "Prefix": "Mr.", "Title": "Travel Coordinator", "City": "Los Angeles", "State": "California", "Email": "marcuso@dx-email.com", "Skype": "marcuso_DX_skype", "Mobile_Phone": "(213) 555-7098", "Birth_Date": "1982-03-02", "Hire_Date": "2005-05-19" }, { "ID": 27, "Head_ID": 5, "Full_Name": "Sandy Bright", "Prefix": "Ms.", "Title": "Benefits Coordinator", "City": "Denver", "State": "Colorado", "Email": "sandrab@dx-email.com", "Skype": "sandrab_DX_skype", "Mobile_Phone": "(818) 555-0524", "Birth_Date": "1983-09-11", "Hire_Date": "2005-06-04" }, { "ID": 28, "Head_ID": 6, "Full_Name": "Morgan Kennedy", "Prefix": "Mrs.", "Title": "Graphic Designer", "City": "San Fernando Valley", "State": "California", "Email": "morgank@dx-email.com", "Skype": "morgank_DX_skype", "Mobile_Phone": "(818) 555-8238", "Birth_Date": "1984-07-17", "Hire_Date": "2012-01-11" }, { "ID": 29, "Head_ID": 28, "Full_Name": "Violet Bailey", "Prefix": "Ms.", "Title": "Jr Graphic Designer", "City": "La Canada", "State": "California", "Email": "violetb@dx-email.com", "Skype": "violetb_DX_skype", "Mobile_Phone": "(818) 555-2478", "Birth_Date": "1985-06-10", "Hire_Date": "2012-01-19" }, { "ID": 30, "Head_ID": 5, "Full_Name": "Ken Samuelson", "Prefix": "Dr.", "Title": "Ombudsman", "City": "St. Louis", "State": "Missouri", "Email": "kents@dx-email.com", "Skype": "kents_DX_skype", "Mobile_Phone": "(562) 555-9282", "Birth_Date": "1972-09-11", "Hire_Date": "2009-04-22" }];