asp:Literal databinding idiosyncrasies
I have a website that relies heavily on a Creole parser for allowing wiki formatting in several areas of the site (the wiki itself, the forum, etc.)
In the wiki,Ii use a Literal
control to display the rendered text (that contains actual HTML elements rendered from the original creole text). The code is basically as follows:
<asp:literal id="renderedText" runat="server" />
----
string creoleText = db.GetTable<Wiki>().Where(w => w.ID == id).Single().CreoleText;
RenderEngine engine = new RenderEngine();
renderedText.Text = engine.Render(creoleText);
and everything works just fine.
However, trying to accomplish the same thing via data binding and using an asp:Repeater
, I can't seem to get the text to render. Basically I'm doing this:
<asp:repeater id="conversationRepeater" runat="server">
<!-- header template, itemtemplate, etc -->
<tr><td>
<asp:literal runat="server"
text='&开发者_运维技巧lt;%# DataBinder.Eval(Container.DataItem, "Content") %>' />
</td></tr>
----
RenderEngine engine = new RenderEngine();
var forumConversation = db.GetTable<ThreadMessage>()
.Select(t => new ThreadMessage
{
ID = t.ID,
Content = engine.Render(t.Content)
}
);
conversationRepeater.DataSource = forumConversation;
conversationRepeater.DataBind();
and I just end up with the original creole text, not the rendered text with actual HTML elements that I need.
Figured I'd post the solution I went with. It was quite simple really. I just create a static version of my Render Engine and in it, created an extension method that I could use in my databinding expressions:
<%# ((string)DataBinder.Eval(Container.DataItem, "WikiText"))).Render() %>
Done.
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