Question

I can’t seem to be able to disable ViewState for controls that I add to a page dynamically.

ASPX

<%@ Page Language='C#' AutoEventWireup='true' CodeFile='Page1.aspx.cs' Inherits='Page1' EnableViewState='false' %> ... <asp:PlaceHolder ID='DropDownPlaceHolder' runat='server' EnableViewState='false' /> <asp:Button ID='Submit' runat='server' OnClick='Submit_OnClick' Text='Click Me!'  EnableViewState='false'/> ... 

ASPX.CS

protected override void OnInit(EventArgs e) {     DropDownList dropDown = new DropDownList();     TextBox textBox = new TextBox();      textBox.EnableViewState = false;      dropDown.Items.Add('Apple');     dropDown.Items.Add('Dell');     dropDown.Items.Add('HP');      dropDown.AutoPostBack = true;     dropDown.EnableViewState = false;      DropDownPlaceHolder.Controls.Add(dropDown);     DropDownPlaceHolder.Controls.Add(textBox);      base.OnInit(e); } 

If I can’t disable ViewState on these controls, then I can never programmatically override what a user has entered/selected.

I’ve tried placing this code in OnInit and Page_Load, but the effect is the same in either location — ViewState is enabled (the DropDownList maintains selected value and TextBox retains text that was entered).

So, how can I disable ViewState and keep it from populating these controls?

Thanks!

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Thanks for your response. Unfortunately, this isn’t a workable solution in my situation.

I will be dynamically loading controls based upon a configuration file, and some of those controls will load child controls.

I need to be able to turn the ViewState of controls off individually, without the need to code logic for loading controls in different places (in OnInit vs. LoadComplete method).

Answer 1

It’s a ‘feature’ — http://support.microsoft.com/?id=316813

Thanks, Microsoft!!