"Imran Masud" <imranish@hotmail.com> wrote in message
news:5346897a.0311291428.7de4c329@posting.google.com...
> Hi,
> I am trying to add a checkbox dynamically in reply to a button click.
> Each button click will add a new checkbox object to an ArrayList
> Object. I store this ArrayList object in the session and populate it.
>
> private void Button1_Click(object sender, System.EventArgs e){
> CheckBox cb = new CheckBox();
> cb.ID = cb.GetType().ToString()+((char)(checkList.Count+64)).ToString();
> cb.Text = ((char)(checkList.Count+64)).ToString();
> cb.AutoPostBack =true;
> this.checkList.Add(cb); // ArrayList object
> }
>
> I have overloaded OnPreRender method and add the checkbox to my user
> control as shown in the code below.
>
> protected override void OnPreRender(EventArgs e)
> {
> foreach (CheckBox cb in checkList)
> {
> this.Controls.Add(cb);
> }
> base.OnPreRender (e);
> }
>
> My problem is the state of the checkboxes are not maintained. If I
> have added
> 2 checkboxes and then I click on them, and afterwards I click the
> button again
> a new checkbox will be added but 1st two be become unchecked.
>
> I will be really grateful, if any of webcontrol guru's outthere
> can help me with this problem.
>
> Regards
> Imran