Hi,

    I'm very new to ASP, so please point out anything wrong with the code below.  I really liked the CSS friendly adapters, but I required the use of StaticDisplayLevels and MaximumDynamicDisplayLevels.  After searching around the internet for code that used both without any luck I sat down and came up with this.  I've tested it with the template and seems to work fine.  I only modified the function BuildItem so you can just copy and paste over the existing function.  Enjoy.

        private void BuildItem(MenuItem item, HtmlTextWriter writer)
        {
            Menu menu = Control as Menu;
            //added for static and dynamic levels support
            int staticLevels = menu.StaticDisplayLevels;
            int dynamicLevels = menu.MaximumDynamicDisplayLevels;

            if (staticLevels == null)
            {
                staticLevels = 1;
            }
            if (menu.MaximumDynamicDisplayLevels == null)
            {
                dynamicLevels = 1;
            }

            if ((menu != null) && (item != null) && (writer != null))
            {
                writer.WriteLine();
                writer.WriteBeginTag("li");

                //modified for static and dynamic levels support
                string theClass = ((item.ChildItems.Count > 0) && (item.Depth >= (staticLevels - 1)) && 
                    ((item.Depth - (staticLevels - 1)) < dynamicLevels)) ? "AspNet-Menu-WithChildren" : "AspNet-Menu-Leaf";
                string selectedStatusClass = GetSelectStatusClass(item);
                if (!String.IsNullOrEmpty(selectedStatusClass))
                {
                    theClass += " " + selectedStatusClass;
                }
                writer.WriteAttribute("class", theClass);

                writer.Write(HtmlTextWriter.TagRightChar);
                writer.Indent++;
                writer.WriteLine();

                if (((item.Depth < staticLevels) && (menu.StaticItemTemplate != null)) ||
                    ((item.Depth >= staticLevels) && (menu.DynamicItemTemplate != null)))
                {
                    writer.WriteBeginTag("div");
                    writer.WriteAttribute("class", GetItemClass(menu, item));
                    writer.Write(HtmlTextWriter.TagRightChar);
                    writer.Indent++;
                    writer.WriteLine();

                    MenuItemTemplateContainer container = new MenuItemTemplateContainer(menu.Items.IndexOf(item), item);
                    if ((item.Depth < staticLevels) && (menu.StaticItemTemplate != null))
                    {
                        menu.StaticItemTemplate.InstantiateIn(container);
                    }
                    else
                    {
                        menu.DynamicItemTemplate.InstantiateIn(container);
                    }
                    container.DataBind();
                    container.RenderControl(writer);

                    writer.Indent--;
                    writer.WriteLine();
                    writer.WriteEndTag("div");
                }
                else
                {
                    if (IsLink(item))
                    {
                        writer.WriteBeginTag("a");
                        if (!String.IsNullOrEmpty(item.NavigateUrl))
                        {
                            writer.WriteAttribute("href", Page.Server.HtmlEncode(menu.ResolveClientUrl(item.NavigateUrl)));
                        }
                        else
                        {
                            writer.WriteAttribute("href", Page.ClientScript.GetPostBackClientHyperlink(menu, "b" +  item.ValuePath.Replace(menu.PathSeparator.ToString(), "\\"), true));
                        }

                        writer.WriteAttribute("class", GetItemClass(menu, item));
                        WebControlAdapterExtender.WriteTargetAttribute(writer, item.Target);

                        if (!String.IsNullOrEmpty(item.ToolTip))
                        {
                            writer.WriteAttribute("title", item.ToolTip);
                        }
                        else if (!String.IsNullOrEmpty(menu.ToolTip))
                        {
                            writer.WriteAttribute("title", menu.ToolTip);
                        }
                        writer.Write(HtmlTextWriter.TagRightChar);
                        writer.Indent++;
                        writer.WriteLine();
                    }
                    else
                    {
                        writer.WriteBeginTag("span");
                        writer.WriteAttribute("class", GetItemClass(menu, item));
                        writer.Write(HtmlTextWriter.TagRightChar);
                        writer.Indent++;
                        writer.WriteLine();
                    }

                    if (!String.IsNullOrEmpty(item.ImageUrl))
                    {
                        writer.WriteBeginTag("img");
                        writer.WriteAttribute("src", menu.ResolveClientUrl(item.ImageUrl));
                        writer.WriteAttribute("alt", !String.IsNullOrEmpty(item.ToolTip) ? item.ToolTip : (!String.IsNullOrEmpty(menu.ToolTip) ? menu.ToolTip : item.Text));
                        writer.Write(HtmlTextWriter.SelfClosingTagEnd);
                    }

                    writer.Write(item.Text);

                    if (IsLink(item))
                    {
                        writer.Indent--;
                        writer.WriteEndTag("a");
                    }
                    else
                    {
                        writer.Indent--;
                        writer.WriteEndTag("span");
                    }

                }

                //modified for static and dynamic levels support
                if (item.Depth < (staticLevels - 1))
                {
                    writer.Indent--;
                    writer.WriteLine();
                    writer.WriteEndTag("li");

                    foreach (MenuItem item2 in item.ChildItems)
                    {
                        BuildItem(item2, writer);
                    }
                }
                else
                {
                    if ((item.ChildItems != null) && (item.ChildItems.Count > 0))
                    {
                        if ((item.ChildItems[0].Depth - (staticLevels - 1)) <= dynamicLevels)
                        {
                            BuildItems(item.ChildItems, false, writer);
                        }
                    }

                    writer.Indent--;
                    writer.WriteLine();
                    writer.WriteEndTag("li");
                }
            }
        }

 Thankss Alot, Here is update for "cssfriendly-16291" version:

private void BuildItem(MenuItem item, HtmlTextWriter writer)
        {
            Menu menu = Control as Menu;
            //added for static and dynamic levels support
            int staticLevels = menu.StaticDisplayLevels;
            int dynamicLevels = menu.MaximumDynamicDisplayLevels;

            if (staticLevels == null)
            {
                staticLevels = 1;
            }
            if (menu.MaximumDynamicDisplayLevels == null)
            {
                dynamicLevels = 1;
            }

            if ((menu != null) && (item != null) && (writer != null))
            {
                writer.WriteLine();
                writer.WriteBeginTag("li");

                //modified for static and dynamic levels support
                string theClass = ((item.ChildItems.Count > 0) && (item.Depth >= (staticLevels - 1)) &&
                    ((item.Depth - (staticLevels - 1)) < dynamicLevels)) ? "AspNet-Menu-WithChildren" : "AspNet-Menu-Leaf";
                //((OLD))
                //string theClass = (item.ChildItems.Count > 0) ? "AspNet-Menu-WithChildren" : "AspNet-Menu-Leaf";
                string selectedStatusClass = GetSelectStatusClass(item);
                if (!String.IsNullOrEmpty(selectedStatusClass))
                {
                    theClass += " " + selectedStatusClass;
                }
                writer.WriteAttribute("class", theClass);

                writer.Write(HtmlTextWriter.TagRightChar);
                writer.Indent++;
                writer.WriteLine();

                if (((item.Depth < menu.StaticDisplayLevels) && (menu.StaticItemTemplate != null)) ||
                        ((item.Depth >= menu.StaticDisplayLevels) && (menu.DynamicItemTemplate != null)))
                {
                    writer.WriteBeginTag("div");
                    writer.WriteAttribute("class", GetItemClass(menu, item));
                    writer.Write(HtmlTextWriter.TagRightChar);
                    writer.Indent++;
                    writer.WriteLine();

                    MenuItemTemplateContainer container = new MenuItemTemplateContainer(menu.Items.IndexOf(item), item);
                    //added to solve the <a href='<%# Eval("Text")%>'> binding problem
                    //http://forums.asp.net/t/1069719.aspx
                    //http://msdn2.microsoft.com/en-us/library/system.web.ui.control.bindingcontainer.aspx
                    //The BindingContainer property is the same as the NamingContainer property,
                    //except when the control is part of a template. In that case, the BindingContainer
                    //property is set to the Control that defines the template.
                    menu.Controls.Add(container);

                    if ((item.Depth < menu.StaticDisplayLevels) && (menu.StaticItemTemplate != null))
                    {
                        menu.StaticItemTemplate.InstantiateIn(container);
                    }
                    else
                    {
                        menu.DynamicItemTemplate.InstantiateIn(container);
                    }
                    container.DataBind(); //Databinding must occurs before rendering
                    container.RenderControl(writer);
                    writer.Indent--;
                    writer.WriteLine();
                    writer.WriteEndTag("div");
                }
                else
                {
                    if (IsLink(item))
                    {
                        writer.WriteBeginTag("a");
                        if (!String.IsNullOrEmpty(item.NavigateUrl))
                        {
                            writer.WriteAttribute("href", Page.Server.HtmlEncode(menu.ResolveClientUrl(item.NavigateUrl)));
                        }
                        else
                        {
                            writer.WriteAttribute("href", Page.ClientScript.GetPostBackClientHyperlink(menu, "b" + item.ValuePath.Replace(menu.PathSeparator.ToString(), "\\"), true));
                        }

                        writer.WriteAttribute("class", GetItemClass(menu, item));
                        WebControlAdapterExtender.WriteTargetAttribute(writer, item.Target);

                        if (!String.IsNullOrEmpty(item.ToolTip))
                        {
                            writer.WriteAttribute("title", item.ToolTip);
                        }
                        else if (!String.IsNullOrEmpty(menu.ToolTip))
                        {
                            writer.WriteAttribute("title", menu.ToolTip);
                        }
                        writer.Write(HtmlTextWriter.TagRightChar);
                        writer.Indent++;
                        writer.WriteLine();
                    }
                    else
                    {
                        writer.WriteBeginTag("span");
                        writer.WriteAttribute("class", GetItemClass(menu, item));
                        writer.Write(HtmlTextWriter.TagRightChar);
                        writer.Indent++;
                        writer.WriteLine();
                    }

                    if (!String.IsNullOrEmpty(item.ImageUrl))
                    {
                        writer.WriteBeginTag("img");
                        writer.WriteAttribute("src", menu.ResolveClientUrl(item.ImageUrl));
                        writer.WriteAttribute("alt", !String.IsNullOrEmpty(item.ToolTip) ? item.ToolTip : (!String.IsNullOrEmpty(menu.ToolTip) ? menu.ToolTip : item.Text));
                        writer.Write(HtmlTextWriter.SelfClosingTagEnd);
                    }

                    writer.Write(item.Text);

                    if (IsLink(item))
                    {
                        writer.Indent--;
                        writer.WriteEndTag("a");
                    }
                    else
                    {
                        writer.Indent--;
                        writer.WriteEndTag("span");
                    }

                }

                //modified for static and dynamic levels support
                if (item.Depth < (staticLevels - 1))
                {
                    writer.Indent--;
                    writer.WriteLine();
                    writer.WriteEndTag("li");

                    foreach (MenuItem item2 in item.ChildItems)
                    {
                        BuildItem(item2, writer);
                    }
                }
                else
                {
                    if ((item.ChildItems != null) && (item.ChildItems.Count > 0))
                    {
                        if ((item.ChildItems[0].Depth - (staticLevels - 1)) <= dynamicLevels)
                        {
                            BuildItems(item.ChildItems, false, writer);
                        }
                    }

                    writer.Indent--;
                    writer.WriteLine();
                    writer.WriteEndTag("li");
                }
            }
        }

Nice work turkoid, I was needing this too, and your post saved me a lot of time.

 This too saved me some time, thanks.

 Also, I made a few extra modifications to ensure that the correct css classes were added indicating if a child of the current item was selected, or if children of the current item were selected.

In the former we need to ensure that then level 0 needs to NOT be assigned the ChildSelected class when a child of level 1 is selected.

In the latter we need to ensure that when level 0 is selected the ParentSelected class is not assigned to ALL of the other items in the menu (rather, this will only work for levels 1 onward).

private bool IsChildItemSelected(MenuItem item)
	{
            bool bRet = false;

            //modification: all pages are children of the home page
            //so don't assign this to the root node only to 'deeper' nodes
            //(to coincide with the modification to the BuildItem method for StaticLevels)
            Menu menu = Control as Menu;
            int staticLevels = menu.StaticDisplayLevels;
            if ((item != null) && (staticLevels > 1) && (item.Depth == (staticLevels - 2)))
            {
              // don't add anything
              // (yes, I know there's probably a more elegant way to do this 
              //  - please post, I'm not too proud to have my eyes opened)
            }
            else //original code used
            {
                if ((item != null) && (item.ChildItems != null))
                {
                    bRet = IsChildItemSelected(item.ChildItems);
                }
            }
            //mod end
            
			return bRet;
	}

 and

private bool IsParentItemSelected(MenuItem item)
{
	bool bRet = false;

        //modification: all pages are children of the home page
        //and so everything will return true if item depth=0
        //so don't assign this to the root node only to 'deeper' nodes
        //(to coincide with the modification to the BuildItem method for StaticLevels)
        //if selected page is item.depth == 0 then don't assign item.Parent.Selected to anyone
        Menu menu = Control as Menu;
        int staticLevels = menu.StaticDisplayLevels;
        if ((item != null) && (staticLevels > 1) && (item.Depth == (staticLevels - 1)))
        {
            //don't add anything
        }
        else {//original code

            if ((item != null) && (item.Parent != null))
            {
                if (item.Parent.Selected)
                {
                    bRet = true;
                }
                else
                {
                    bRet = IsParentItemSelected(item.Parent);
                }
            }
        
        }
	return bRet;
}

hth