I tried the following code and everything seems to be OK.
ASPX:
|
<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %> |
<!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" style="height: 100%"> |
<head id="Head1"> |
<title>Untitled Page</title> |
</head> |
<body style="height: 100%"> |
<form id="form1" runat="server" style="height: 100%"> |
<div> |
<asp:ScriptManager ID="ScriptManager1" runat="server"> |
</asp:ScriptManager> |
<div> |
<telerik:RadDockLayout ID="RadDockLayout1" runat="server"> |
<asp:UpdatePanel ID="UpdatePanel1" runat="server"> |
<ContentTemplate> |
<telerik:RadDockZone ID="RadDockZone1" runat="server"> |
<telerik:RadDock ID="RadDock1" runat="server" Width="150px" AutoPostBack="true" Resizable="true"> |
<ContentTemplate> |
<asp:UpdatePanel ID="UpdatePanel2" runat="server"> |
<ContentTemplate> |
<asp:DropDownList ID="ddList1" runat="server" AutoPostBack="True" OnSelectedIndexChanged="ddList1_SelectedIndexChanged"> |
</asp:DropDownList> |
<asp:Button ID="Button1" Text="PopulateDropDown" runat="server" OnClick="Button1_Click" /> |
</ContentTemplate> |
</asp:UpdatePanel> |
</ContentTemplate> |
</telerik:RadDock> |
</telerik:RadDockZone> |
<telerik:RadDockZone ID="RadDockZone2" runat="server"> |
</telerik:RadDockZone> |
</ContentTemplate> |
</asp:UpdatePanel> |
</telerik:RadDockLayout> |
<asp:Button ID="btnPostback" runat="server" Text="Postback" /> |
</div> |
</form> |
</body> |
</html> |
|
C#:
protected void Page_Load(object sender, EventArgs e) |
{ |
|
RadDock1.Title = System.DateTime.Now.ToString(); |
} |
protected void Button1_Click(object sender, EventArgs e) |
{ |
ListItem imem1 = new ListItem("1"); |
ddList1.Items.Add(imem1); |
ListItem imem2 = new ListItem("2"); |
ddList1.Items.Add(imem2); |
ListItem imem3 = new ListItem("3"); |
ddList1.Items.Add(imem3); |
} |
protected void ddList1_SelectedIndexChanged(object sender, EventArgs e) |
{ |
Button1.Text = System.DateTime.Now.ToString(); |
} |
If you paste some code I'll try to help you.