Disable/Hide Navigation menu items of Master Page Or Hide Master Page menu in Content pages Or Hide Master Page Menu or Single Menu Item in Content Page Or Master Page Menu items hide in Content Page

Step 1:- (Site.Master)

<asp:Menu ID="Menu1" runat="server" Orientation="Horizontal">

            <Items>

                <asp:MenuItem NavigateUrl="~/Menu1.aspx" Text="Menu 1" />

                <asp:MenuItem NavigateUrl="~/Menu2.aspx" Text="Menu 2" />

                <asp:MenuItem NavigateUrl="~/Menu3.aspx" Text="Menu 3" />

                <asp:MenuItem NavigateUrl="~/Menu4.aspx" Text="Menu 4" />

            </Items>

</asp:Menu>

<div id="dvSummary" runat="server">

            <h1>Dot Net Example</h1>

            <h3>We have many things to learn from others</h3>

</div>

Step 2:- (Content Page)

Hide Menu

protected void Page_Load(object sender, EventArgs e)

        {

            if (Master != null)

            {

                Menu menu = (Menu)Master.FindControl("Menu1");

                if (menu != null)

                {

                    menu.Visible = false;

                }

            }

        }

Hide/ Disable Single Menu Item

protected void Page_Load(object sender, EventArgs e)

        {

            if (Master != null)

            {

                Menu menu = (Menu)Master.FindControl("Menu1");

                if (menu != null)

                {

                    menu.Items[1].Enabled = false;

                }

            }

        }

Hide Div

protected void Page_Load(object sender, EventArgs e)

        {

            if (Master != null)

            {

                HtmlGenericControl dv = (HtmlGenericControl)Master.FindControl("dvSummary");

        dv.Visible = false;

            }

        }