Hi,
Please see the following sample
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Collections.Generic" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
if (!X.IsAjaxRequest)
{
this.Store1.DataSource = new List<Company>
{
new Company(0, "3m Co", 71.72, 0.02, 0.03),
new Company(1, "Alcoa Inc", 29.01, 0.42, 1.47),
new Company(2, "Altria Group Inc", 83.81, 0.28, 0.34),
new Company(3, "American Express Company", 52.55, 0.01, 0.02),
new Company(4, "American International Group, Inc.", 64.13, 0.31, 0.49),
new Company(5, "AT&T Inc.", 31.61, -0.48, -1.54),
new Company(6, "Boeing Co.", 75.43, 0.53, 0.71),
new Company(7, "Caterpillar Inc.", 67.27, 0.92, 1.39),
new Company(8, "Citigroup, Inc.", 49.37, 0.02, 0.04),
new Company(9, "E.I. du Pont de Nemours and Company", 40.48, 0.51, 1.28),
new Company(10, "Exxon Mobil Corp", 68.1, -0.43, -0.64),
new Company(11, "General Electric Company", 34.14, -0.08, -0.23),
new Company(12, "General Motors Corporation", 30.27, 1.09, 3.74),
new Company(13, "Hewlett-Packard Co.", 36.53, -0.03, -0.08),
new Company(14, "Honeywell Intl Inc", 38.77, 0.05, 0.13),
new Company(15, "Intel Corporation", 19.88, 0.31, 1.58),
new Company(16, "International Business Machines", 81.41, 0.44, 0.54),
new Company(17, "Johnson & Johnson", 64.72, 0.06, 0.09),
new Company(18, "JP Morgan & Chase & Co", 45.73, 0.07, 0.15),
new Company(19, "McDonald\"s Corporation", 36.76, 0.86, 2.40),
new Company(20, "Merck & Co., Inc.", 40.96, 0.41, 1.01),
new Company(21, "Microsoft Corporation", 25.84, 0.14, 0.54),
new Company(22, "Pfizer Inc", 27.96, 0.4, 1.45),
new Company(23, "The Coca-Cola Company", 45.07, 0.26, 0.58),
new Company(24, "The Home Depot, Inc.", 34.64, 0.35, 1.02),
new Company(25, "The Procter & Gamble Company", 61.91, 0.01, 0.02),
new Company(26, "United Technologies Corporation", 63.26, 0.55, 0.88),
new Company(27, "Verizon Communications", 35.57, 0.39, 1.11),
new Company(28, "Wal-Mart Stores, Inc.", 45.45, 0.73, 1.63)
};
this.Store1.DataBind();
if (!this.IsPostBack)
{
RowSelectionModel sm = this.GridPanel1.SelectionModel.Primary as RowSelectionModel;
sm.SelectedRow = new SelectedRow(2);
sm.SelectedRows.Add(new SelectedRow(2));
sm.SelectedRows.Add(new SelectedRow("11"));
}
}
}
public class Company
{
public Company(int id, string name, double price, double change, double pctChange)
{
this.ID = id;
this.Name = name;
this.Price = price;
this.Change = change;
this.PctChange = pctChange;
}
public int ID { get; set; }
public string Name { get; set; }
public double Price { get;set; }
public double Change { get;set; }
public double PctChange { get;set; }
}
</script>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>GridPanel with Checkbox Selection Model - Ext.NET Examples</title>
<link href="../../../../resources/css/examples.css" rel="stylesheet" type="text/css" />
<script type="text/javascript">
var template = '{1}';
var change = function (value) {
return String.format(template, (value > 0) ? "green" : "red", value);
}
var pctChange = function (value) {
return String.format(template, (value > 0) ? "green" : "red", value + "%");
}
var checkboxRenderer = function (v, p, record) {
if(record.data.Price < 50){
return "";
}
return '<div class="x-grid3-row-checker">&#160;
';
};
</script>
</head>
<body>
<form runat="server">
<ext:ResourceManager runat="server" />
<h1>GridPanel with Checkbox Selection Model</h1>
<ext:Store ID="Store1" runat="server">
<Reader>
<ext:JsonReader IDProperty="ID">
<Fields>
<ext:RecordField Name="ID" />
<ext:RecordField Name="Name" />
<ext:RecordField Name="Price" Type="Int" />
<ext:RecordField Name="Change" />
<ext:RecordField Name="PctChange" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
<ext:GridPanel
ID="GridPanel1"
runat="server"
StoreID="Store1"
StripeRows="true"
Title="Company List"
AutoExpandColumn="Company"
Collapsible="true"
Width="600"
Height="350">
<ColumnModel runat="server">
<Columns>
<ext:Column ColumnId="Company" Header="Company" Width="160" DataIndex="Name" Resizable="false" MenuDisabled="true" Fixed="true" />
<ext:Column Header="Price" Width="75" DataIndex="Price">
<Renderer Format="UsMoney" />
</ext:Column>
<ext:Column Header="Change" Width="75" DataIndex="Change">
<Renderer Fn="change" />
</ext:Column>
<ext:Column Header="Change" Width="75" DataIndex="PctChange">
<Renderer Fn="pctChange" />
</ext:Column>
</Columns>
</ColumnModel>
<BottomBar>
<ext:PagingToolbar ID="PagingToolBar1" runat="server" PageSize="10" StoreID="Store1" DisplayInfo="false" />
</BottomBar>
<SelectionModel>
<ext:CheckboxSelectionModel runat="server">
<CustomConfig>
<ext:ConfigItem Name="renderer" Value="checkboxRenderer" Mode="Raw" />
</CustomConfig>
<Listeners>
<BeforeRowSelect Handler="return record.data.Price >= 50;" />
</Listeners>
</ext:CheckboxSelectionModel>
</SelectionModel>
</ext:GridPanel>
</form>
</body>
</html>
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