jQuery UI Widgets › Forums › Grid › Obtaining of scroll offset
This topic contains 1 reply, has 2 voices, and was last updated by Dimitar 11 years, 3 months ago.
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Hi! According to the documentation the jqxGrid control has only ‘scrolloffset’ function which allow to set scroll offset.
How can I get the scroll offset of jqxGrid?Hello Yuri Antipin,
Here is how to get the scroll offset of a grid:
<!DOCTYPE html><html lang="en"><head> <link rel="stylesheet" href="../../jqwidgets/styles/jqx.base.css" type="text/css" /> <script type="text/javascript" src="../../scripts/jquery-1.10.2.min.js"></script> <script type="text/javascript" src="../../jqwidgets/jqxcore.js"></script> <script type="text/javascript" src="../../jqwidgets/jqxdata.js"></script> <script type="text/javascript" src="../../jqwidgets/jqxbuttons.js"></script> <script type="text/javascript" src="../../jqwidgets/jqxscrollbar.js"></script> <script type="text/javascript" src="../../jqwidgets/jqxmenu.js"></script> <script type="text/javascript" src="../../jqwidgets/jqxlistbox.js"></script> <script type="text/javascript" src="../../jqwidgets/jqxdropdownlist.js"></script> <script type="text/javascript" src="../../jqwidgets/jqxgrid.js"></script> <script type="text/javascript" src="../../jqwidgets/jqxgrid.selection.js"></script> <script type="text/javascript" src="../../scripts/gettheme.js"></script> <script type="text/javascript"> $(document).ready(function () { var theme = ""; // prepare the data var data = new Array(); var firstNames = [ "Andrew", "Nancy", "Shelley", "Regina", "Yoshi", "Antoni", "Mayumi", "Ian", "Peter", "Lars", "Petra", "Martin", "Sven", "Elio", "Beate", "Cheryl", "Michael", "Guylene" ]; var lastNames = [ "Fuller", "Davolio", "Burke", "Murphy", "Nagase", "Saavedra", "Ohno", "Devling", "Wilson", "Peterson", "Winkler", "Bein", "Petersen", "Rossi", "Vileid", "Saylor", "Bjorn", "Nodier" ]; var productNames = [ "Black Tea", "Green Tea", "Caffe Espresso", "Doubleshot Espresso", "Caffe Latte", "White Chocolate Mocha", "Cramel Latte", "Caffe Americano", "Cappuccino", "Espresso Truffle", "Espresso con Panna", "Peppermint Mocha Twist" ]; var priceValues = [ "2.25", "1.5", "3.0", "3.3", "4.5", "3.6", "3.8", "2.5", "5.0", "1.75", "3.25", "4.0" ]; // generate sample data. var generatedata = function (startindex, endindex) { var data = {}; for (var i = startindex; i < endindex; i++) { var row = {}; var productindex = Math.floor(Math.random() * productNames.length); var price = parseFloat(priceValues[productindex]); var quantity = 1 + Math.round(Math.random() * 10); row["id"] = i; row["firstname"] = firstNames[Math.floor(Math.random() * firstNames.length)]; row["lastname"] = lastNames[Math.floor(Math.random() * lastNames.length)]; row["productname"] = productNames[productindex]; row["price"] = price; row["quantity"] = quantity; row["total"] = price * quantity; data[i] = row; } return data; } var source = { datatype: "array", localdata: {}, totalrecords: 1000000 }; // load virtual data. var rendergridrows = function (params) { var data = generatedata(params.startindex, params.endindex); return data; } var dataAdapter = new $.jqx.dataAdapter(source); $("#jqxgrid").jqxGrid( { width: 670, source: dataAdapter, theme: theme, virtualmode: true, rendergridrows: rendergridrows, columns: [ { text: 'Id', datafield: 'id', width: 100 }, { text: 'First Name', datafield: 'firstname', width: 100 }, { text: 'Last Name', datafield: 'lastname', width: 100 }, { text: 'Product', datafield: 'productname', width: 180 }, { text: 'Quantity', datafield: 'quantity', width: 80, cellsalign: 'right' }, { text: 'Unit Price', datafield: 'price', width: 90, cellsalign: 'right', cellsformat: 'c2' }, { text: 'Total', datafield: 'total', width: 100, cellsalign: 'right', cellsformat: 'c2' } ] }); $("#getVerticalScrollOffset").click(function () { var verticalScrollOffset = $("#jqxScrollAreaUpverticalScrollBarjqxgrid").height() alert(verticalScrollOffset); }); }); </script></head><body class='default'> <button id="getVerticalScrollOffset"> Get vertical scroll offset</button> <div id='jqxWidget' style="font-size: 13px; font-family: Verdana; float: left;"> <div id="jqxgrid"> </div> </div></body></html>
Note that the id of the element above the scroll thumb is “jqxScrollAreaUpverticalScrollBar” + the id of your grid, in this case “jqxgrid”.
Best Regards,
DimitarjQWidgets team
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