Custom Controls where view state may not need enabled. - ng.asp-net-forum.windows-hosting_open_forum

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2 Items, 1 Pages 1 |< << Go >> >|

	John Spurlin
	Asp.Net User

Custom Controls where view state may not need enabled.

3/22/2004 4:33:52 AM

0/0

I understand that viewstate will preserve a controls "properties". I need clarification on what this means.

I am building custom controls for the first time and from my understanding, viewstate may not be needed for a particular type of control I am using.

One control is a menu (no dhtml) that is xml driven. Another is an Ad rotator control that will manage multiple files at once without displaying any given single add more than once per postback or page load. It is also xml driven.

The controls are set up so that attributes are assigned values



<cc1:menu id="Navigator1" SourceFile="Config/NavMenu01.xml" Runat="server" TransformFile="Transforms/NavMenu01.xslt" EnableViewState="False"></cc1:menu>





<cc1:rotator id="FP_GoldRotator1" runat="server" ImageStyle="RotatorImageStyle" FilterValue="Gold_FrontPage" DataSource="Config/AdRotator.xml" NumberOfItems="4" EnableViewState="False"></cc1:rotator>

I used the IDE to set 'EnableViewState=false'. So my question is, should the viewstate be false with regard to these controls, and if they may have the viewstate turned off or disabled to my benefit, is there a way to have this be a default attribute when I drag the custom control onto a webform from my toolbox?

I am not sure what the benefits pro and contra are in the case of these particular controls.

If I am not learning patterns and practices, I am not harnessing the power of .NET

	master4eva
	Asp.Net User

Re: Custom Controls where view state may not need enabled.

3/22/2004 6:28:19 AM

0/0

You could disable the view state by setting so in the control's constructor:



public class MyControl : Control {


   // ...





   public MyControl() {


      EnableViewState = false;


   }


}

-- Justin Lovell

2 Items, 1 Pages 1 |< << Go >> >|

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