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what is webparts in asp.net? a simple example on webparts. thank you in advance.

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Web Parts allow building dynamic portal-like UI with drag/drop end-user customization.

From ASP.NET Web Parts Overview:

ASP.NET Web Parts is an integrated set of controls for creating Web sites that enable end users to modify the content, appearance, and behavior of Web pages directly from a browser.

Examples of web portals are iGoogle, My Yahoo!, and Windows Live Personalized Experience.

Trivial example

<asp:WebPartManager ID="WebPartManager1" runat="server">
</asp:WebPartManager>

<asp:WebPartZone ID="WebPartZone1" runat="server">
  <ZoneTemplate>
    <asp:Label ID="Label1" runat="server" Text="Hello world!" Title="Hello"  />
  </ZoneTemplate>
</asp:WebPartZone>

<asp:WebPartZone ID="WebPartZone2" runat="server">
  <ZoneTemplate>
    <asp:Calendar ID="Calendar1" runat="server" Title="Calendar" />
  </ZoneTemplate>
</asp:WebPartZone>

Resources

• What Are Web Parts? by Jesse Liberty (introduction to ASP.NET 2.0 WebParts)
• Personalize Your Portal with User Controls and Custom Web Parts from September 2005 issue of MSDN Magazine
• ASP.NET 2.0 Web Parts in Action - book by Darren Neimke

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Web parts : Web Parts is a framework built into ASP.NET 2.0 for building highly customizable portal-style pages.?User can do customized user settings in browser for each user.Like minimize ,maximize ,close etc for each control in browser .

http://www.csharpcorner.com/UploadFile/a_anajwala/Building_WebParts.mht08042005042119AM/Building_WebParts.mht.aspx?ArticleID=62ffd1b4-98fa-41cc-9512-9b0637e91eed

http://ondotnet.com/pub/a/dotnet/2005/01/10/liberty.html

Note : Web parts is a browser memory eater :)