> I have a web custom control that contains a checkbox and a button.
> 1) The check box needs to be initialized to unchecked state during
> page
> postbacks.
> 2) The button has a click event handler.
> If I add "EnsureChildControls()" at OnLoad, checkbox is set to
> unchecked
> every time there is a post back, but the button click event handler is
> never
> called.
> If I remove "EnsureChildControls()" at OnLoad, checkbox retains its
> state
> during post backs, yet the button click event handler is called.
> How can I do both?
>
> Many Thanks. --Henry.
>
> using System;
> using System.Web.UI;
> using System.Web.UI.WebControls;
> using System.Web.UI.HtmlControls;
> using System.ComponentModel;
> namespace Henry.ControlSamples
> {
> [DefaultProperty("Text"),
> ToolboxData("<{0}:WebCustomControl1 runat=server></0}
> :WebCustomControl1>")]
> public class WebCustomControl1 : System.Web.UI.WebControls.WebControl
> {
> protected override void OnLoad(EventArgs e)
> {
> //EnsureChildControls();
> //if EnsureChildControls() is commented out, button click event
> cannot be
> caught.
> //if EnsureChildControls() is NOT commented out,
> //during page postback, checkBox cannot be initialized to unchecked
> state
> if it is previousely checked.
> }
> protected override void CreateChildControls()
> {
> Controls.Clear();
> HtmlInputCheckBox checkBox = new HtmlInputCheckBox();
> Controls.Add(checkBox);
> Button b = new Button();
> Controls.Add(b);
> b.ID = "mytestbutton";
> b.Text = "test";
> b.Click+=new EventHandler(b_Click);
> }
> private void b_Click(object sender, EventArgs e)
> {
> ((Button) FindControl("mytestbutton")).Text = "test2";
> }
> }
> }

"Jason Bentley" wrote:

> You are right Brock. I misread the question. I thought he was asking
> about CreateChildControls(). EnsureChildControls() should definitely go
> in Page_Init.
>
> Jason Bentley
> http://geekswithblogs.net/jbentley
>
>

"Henry" <He***@discussions.microsoft.com> wrote in message
news:BC5C1AB0-6B53-4905-90B4-CAA73D8F6937@microsoft.com...
>I moved EnsureChildControls() to the page init method.    I still have the
> problem of not being able to reset the check box to unchecked state during
> page post backs.
> The check box retains its previous state before the post back.
>
> Thanks.
>
> Henry
>
> "Jason Bentley" wrote:
>
>> You are right Brock. I misread the question. I thought he was asking
>> about CreateChildControls(). EnsureChildControls() should definitely go
>> in Page_Init.
>>
>> Jason Bentley
>> http://geekswithblogs.net/jbentley
>>
>>