Show lines not working.

[shilpa]

Hi,
I have binded the treeview as following. Showlines() doesn't show any lines in treeview and expand\collapse image also dont come up. Please help

<%

= Html.Telerik().TreeView()
.Name("TreeView1")
.ShowLines(true)
.ShowCheckBox(true)
.ClientEvents(events => events
.OnChecked("onChecked")
.OnLoad("onLoad")
)
.BindTo(SiteMap.Provider.RootNode.ChildNodes, mappings =>
{
mappings.For<SiteMapNode>(binding => binding
.ItemDataBound((item, navitem) =>
{
item.Text = navitem.Title;
item.Value = navitem.Description;
if (item.Parent == null)
{
item.Checkable = false;
}
if(ViewData["Fn_Id"] != null && item.Value.Contains(ViewData["Fn_Id"].ToString()))
{
item.Checked = true;
item = item.Parent;
while(item!=null)
{
item.Expanded = true;
item = item.Parent;
}
}
})
.Children(navitem => navitem.ChildNodes)
.Children(childitem => childitem.ChildNodes));
})
%>

[Lasse]

Any news on this?

Seems like documentation is wrong as well: TreeView Documentation.

[Dimo]

Hello,

It looks like the skin images and / or the skin stylesheet are not loaded.

Greetings,
Dimo
the Telerik team

[Ross]

I believe there is a bug in the TreeView.  When I explicitly set ShowLines(false), I see that showLines:false is included in the jQuery initialization script.  However if I explicitly set ShowLines(true), then showLines:true is not included in the initialization script.

I can see that WriteInitializationScript() method does the following:

      if (!this.ShowLines)
        objectWriter.Append("showLines", this.ShowLines);

[Dimo]

Hi Ross,

Properties with default values are not serialized, because this is not necessary. Is there a problem with the component functionality?

Regards,
Dimo
the Telerik team

[Ross]

Ah, I thought that the default behaviour was to not show lines, but it sounds like you are saying that the default is to show lines.  I can't get the lines to appear at all.  Furthermore the lines do not appear in any of the online demos:

http://demos.telerik.com/aspnet-mvc/treeview 

Thanks,

Ross.

[Dimo]

Hello Ross,

Some themes are designed to resemble other existing themes (e.g. Windows Vista operating system) and the TreeView does not have lines at all. However, you can use a skin that has them, for example:

http://demos.telerik.com/aspnet-mvc/treeview?theme=simple

All the best,
Dimo
the Telerik team

[Ross]

Thanks, it worked once I switched themes!