ASP.NET Tutorial/WebPart/WebPartManager

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Adding a list of modes to the page (C#)

<%@ Page Language="C#"%>
<script runat="server">
    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
      WebParts.WebPartDisplayMode wpDisplayMode = Webpartmanager1.SupportedDisplayModes(DropDownList1.SelectedValue.ToString());
      Webpartmanager1.DisplayMode = wpDisplayMode;
    }
    protected void Page_Init(object sender, EventArgs e)
    {
      foreach (WebPartDisplayMode wpMode in Webpartmanager1.SupportedDisplayModes)
      {            
            string modeName = wpMode.Name;
            ListItem dd_ListItem = New ListItem(modeName, modeName);
            DropDownList1.Items.Add(dd_ListItem);
      }
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>Web Parts Example</title>
</head>
<body>
    <form id="form1" runat="server">
        <asp:WebPartManager ID="Webpartmanager1" Runat="server">
        </asp:WebPartManager>
        <table>
            <tr>
                <td>
                    <h1>Web Page</h1>
                    <asp:WebPartZone ID="WebPartZone1" Runat="server" 
                     LayoutOrientation="Horizontal">
                        <ZoneTemplate>
                            <asp:Label ID="Label1" Runat="server" Text="Label" 
                             Title="Welcome to my web page!">
                             Welcome to the page!
                            </asp:Label>
                        </ZoneTemplate>
                    </asp:WebPartZone>
                </td>
                <td valign="top">
                    Select mode:
                    <asp:DropDownList ID="DropDownList1" runat="server" 
                     AutoPostBack="True" 
                     OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">        
                    </asp:DropDownList>
                </td>
            </tr>
            <tr valign="top">
                <td>
                    <asp:WebPartZone ID="WebPartZone2" Runat="server">
                        <ZoneTemplate>
                            <asp:Image ID="Image1" Runat="server" 
                             ImageUrl="~/Images/Kids.jpg" Width="150px" 
                             Title="My Kids">
                            </asp:Image>
                        </ZoneTemplate>
                    </asp:WebPartZone>
                </td>
                <td>
                    <asp:WebPartZone ID="WebPartZone3" Runat="server">
                        <ZoneTemplate>
                            <asp:Calendar ID="Calendar1" Runat="server"
                             Title="Calendar">
                            </asp:Calendar>
                        </ZoneTemplate>
                    </asp:WebPartZone>
                </td>
                <td>
                </td>
            </tr>
        </table>        
    </form>
</body>
</html>


Adding a list of modes to the page (VB)

<%@ Page Language="VB"%>
<script runat="server">
    Protected Sub DropDownList1_SelectedIndexChanged(ByVal sender As Object, _
       ByVal e As System.EventArgs)
      Dim wpDisplayMode As WebParts.WebPartDisplayMode = _
      Webpartmanager1.SupportedDisplayModes(DropDownList1.SelectedValue.ToString())
      Webpartmanager1.DisplayMode = wpDisplayMode
    End Sub
    Protected Sub Page_Init(ByVal sender As Object, ByVal e As System.EventArgs)
      For Each wpMode As WebPartDisplayMode In Webpartmanager1.SupportedDisplayModes            
            Dim modeName As String = wpMode.Name
            Dim dd_ListItem As ListItem = New ListItem(modeName, modeName)
            DropDownList1.Items.Add(dd_ListItem)
      Next
    End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>Web Parts Example</title>
</head>
<body>
    <form id="form1" runat="server">
        <asp:WebPartManager ID="Webpartmanager1" Runat="server">
        </asp:WebPartManager>
        <table>
            <tr>
                <td colspan="2">
                    <h1>Web Page</h1>
                    <asp:WebPartZone ID="WebPartZone1" Runat="server" 
                     LayoutOrientation="Horizontal">
                        <ZoneTemplate>
                            <asp:Label ID="Label1" Runat="server" Text="Label" 
                             Title="Welcome to my web page!">
                             Welcome to the page!
                            </asp:Label>
                        </ZoneTemplate>
                    </asp:WebPartZone>
                </td>
                <td valign="top">
                    Select mode:
                    <asp:DropDownList ID="DropDownList1" runat="server" 
                     AutoPostBack="True" 
                     OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">        
                    </asp:DropDownList>
                </td>
            </tr>
            <tr valign="top">
                <td>
                    <asp:WebPartZone ID="WebPartZone2" Runat="server">
                        <ZoneTemplate>
                            <asp:Image ID="Image1" Runat="server" 
                             ImageUrl="~/Images/Kids.jpg" Width="150px" 
                             Title="My Kids">
                            </asp:Image>
                        </ZoneTemplate>
                    </asp:WebPartZone>
                </td>
                <td>
                    <asp:WebPartZone ID="WebPartZone3" Runat="server">
                        <ZoneTemplate>
                            <asp:Calendar ID="Calendar1" Runat="server"
                             Title="Calendar">
                            </asp:Calendar>
                        </ZoneTemplate>
                    </asp:WebPartZone>
                </td>
            </tr>
        </table>        
    </form>
</body>
</html>
Источник — «http://nfex.ru/index.php?title=ASP.NET_Tutorial/WebPart/WebPartManager&oldid=2532»