Posted by & filed under Development, DotNetNuke.

The DotNetNuke.Web.Mvp.ModuleViewBase sets a property called AutoDataBind = true. As a result the DataBind() method for the page is always called in the Page_PreRenderComplete event.

If you use the following familiar snippet of code you find that your controls will be data bound twice. Once when your code calls DataBind() and a second time when it is called during the Page_PreRenderComplete event.

ddlStatus.DataSource = Model.StatusList;

Here is an example of how to properly bind a DropDownList for an MVP based module.

<asp:DropDownList ID="ddlStatus" runat="server"
SelectedValue='<%#Model.Post.PostStatus %>'> </asp:DropDownList>

It is important to point out again that you should not call ddlStatus.DataBind() from the code behind. Calling this is a waste because the AutoDataBind property is going to force everything to rebind again during Page_PreRenderComplete.


  1.  Tweets that mention » DotNetNuke MVP Module Development: Tip #1 The AutoDataBind Property --
  2. » DotNetNuke MVP Module Development: Tip #2 Disable AutoDataBind

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