Creating Webparts

Default.aspx

<div>
      <asp:WebPartManager ID=“WebPartManager1” runat=“server”>
      </asp:WebPartManager>     
      <asp:DropDownList ID=“DropDownList1” runat=“server”>
      </asp:DropDownList> 
</div>
<div>
      <asp:WebPartZone ID=“WebPartZone1” runat=“server”>
      </asp:WebPartZone>
</div>
<div>
      <asp:WebPartZone ID=“WebPartZone2” runat=“server”>
      </asp:WebPartZone>
</div>

Default.aspx.cs

protected void Page_Load(object sender, EventArgs e)
{
       if (!IsPostBack)
       {
              // Set up the list of options
foreach (WebPartDisplayMode mode in this.WebPartManager1.SupportedDisplayModes)
             
// Add an item for each mode
              this.DropDownList1.Items.Add(
                     new ListItem(mode.Name, mode.Name));
       }
 
       this.WebPartManager1.DisplayMode =
              this.WebPartManager1.SupportedDisplayModes[
              this.DropDownList1.SelectedValue];
}
 
protected void DropDownList1_SelectedIndexChanged1(
                     object sender, EventArgs e)
{
       this.WebPartManager1.DisplayMode =
              this.WebPartManager1.SupportedDisplayModes[
                     this.DropDownList1.SelectedValue];
}

Default2.aspx

<div>
       <asp:WebPartZone ID=“WebPartZone1” runat=“server”>
              <ZoneTemplate>
                     <asp:Calendar ID=“Calendar1” runat=“server” />
              </ZoneTemplate>
       </asp:WebPartZone>
</div>
<div>
       <asp:WebPartZone ID=“WebPartZone2” runat=“server”>
              <ZoneTemplate>
                     <asp:Button ID=“Button1” runat=“server” Text=“Button” />
              </ZoneTemplate>
</asp:WebPartZone>
</div>