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asp:Label vs asp:Placeholder

52
In terms of disaplying text on the server side, which one is the better choice - an asp:Label or an asp:Placeholder?

The only difference between the two that I know is that label puts a <span> tag around it's contents. Is there any other difference between the two, particularly performance-wise?


Edit: Never mind a Placeholder cannot be used to hold text directly...I was probably thinking of something else =|
Feb 24 '09 #1
3 5523
Frinavale
9,735 Expert Mod 8TB
@200dogz
That was going to be my first response.

If you simply want to display text, and you don't want to have control over the style of this text, then you can use a Localize control instead of a Label. The Localize control will display the text instead of displaying it between <span> tags.

If you need to be able to control style of this text (colour, font, size, whether it's displayed on top of something or as a block) then you should use a Label. You can set the style of a Label control and when it's rendered the <span> tag will contain this style. The Localize control doesn't have this option because it just outputs text in the location that it's placed on the asp page.

If you don't want your text to be in a <span> tag, then consider placing a Localize control within a Panel. This will place the text within a <div> tag instead (Panels are rendered as HTML <div>s).

You have so much flexibility....the Localize control lets you dynamically set the text where you want it to appear. It can also be use along with .resx (resource) files to provide support for multiple languages/cultures.

-Frinny
Feb 24 '09 #2
200dogz
52
Thanks Frinavale for the very detailed explanation :)

One question though, if I am to use localise control is there still a way to write the text if we don't know what the text is? (say if we need to grab it from a database). From what I know if we don't "runat=server" something, then we can't really control it (except the style)...
Feb 25 '09 #3
Frinavale
9,735 Expert Mod 8TB
That's exactly what the Localize control is for.
It has a Text property that you can set after retrieving it from a database or other resource. All .NET controls must have the runat="server" set...otherwise they wont work.

PS you cannot set the style for a Localize control....see the the explanation I gave before for reasons why.
Feb 25 '09 #4

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