Please, take a look on the following example:
<!DOCTYPE html>
<html>
<head id="Head1" runat="server">
<script type="text/javascript">
var hide = function () {
App._grd.columns[1].hide();
}
var show = function () {
App._grd.columns[1].show();
}
</script>
</head>
<body>
<ext:ResourceManager runat="server" />
<ext:Button Text="HIDE Second Column" runat="server">
<Listeners>
<Click Handler="hide();" />
</Listeners>
</ext:Button>
<ext:Button Text="SHOW Second Column" runat="server">
<Listeners>
<Click Handler="show();" />
</Listeners>
</ext:Button>
<ext:GridPanel ID="_grd" runat="server" Title="Records" Frame="false" Width="500" Height="500">
<Store>
<ext:Store runat="server">
<Proxy>
<ext:AjaxProxy Url="/Example/LoadFakeRecords/">
<ActionMethods Read="POST" />
<Reader>
<ext:JsonReader Root="data" />
</Reader>
</ext:AjaxProxy>
</Proxy>
<Model>
<ext:Model runat="server">
<Fields>
<ext:ModelField Name="ID" Type="String" />
<ext:ModelField Name="Name" Type="String" />
<ext:ModelField Name="Address" Type="String" />
</Fields>
</ext:Model>
</Model>
</ext:Store>
</Store>
<ColumnModel runat="server">
<Columns>
<ext:Column Text="ID" DataIndex="ID" runat="server" />
<ext:Column Text="Name" DataIndex="Name" runat="server" />
<ext:Column Text="Address" DataIndex="Address" runat="server" />
</Columns>
</ColumnModel>
</ext:GridPanel>
</body>
</html>
namespace SandBox.Controllers
{
public class ExampleController : System.Web.Mvc.Controller
{
public ActionResult Index()
{
return View();
}
public StoreResult LoadFakeRecords()
{
List<Person> lst = new List<Person>();
for (int index = 0; index < 15; index++)
{
lst.Add(new Person
{
ID = index,
Name = "Name" + index,
Address = "Address" + index,
});
}
return new StoreResult(lst, lst.Count());
}
}
[Serializable]
public sealed class Person
{
public int ID { get; set; }
public string Name { get; set; }
public string Address { get; set; }
}
}
I would also recommend you to take a look on the following thread: http://forums.ext.net/showthread.php...ing-JavaScript