Hi Jim,

Using panels is a good way to organize your controls and turn them visibly on/off very easily. The HTML of the controls when visibly they are turned off are not even sent to the client, keeping the size of the file small.

>Bonnie,
>
> I did debug the program and the ID property on the control was blank. So I don't know what was going on. I used a different method to fix the problem. I used a panel control, placed an HTML table in the panel and then the controls in the table. It's a better way of making it work.
>
>Thanks for your help,
>
>Jim
>
>>Jim,
>>
>>Hmmmm ... strange. Of the three controls you mentioned earlier ... have you stepped through the debugger to see what they are?
>>
>>~~Bonnie
>>
>>
>>>Bonnie,
>>>
>>> Actually none of the controls are containers. I have 5 combo boxes, 11 text boxes, 2 buttons 4 checkboxes and 16 labels....
>>>
>>>Any other ideas?
>>>
>>>Jim
>>>
>>>>Jim,
>>>>
>>>>Since some controls are probably containers, you will need to do this recursively for all ContainerControls.
>>>>
>>>>~~Bonnie
>>>>
>>>>>Actually I found that the problem was the code behind page was pointing to a different page because I copied the HTML source from it into my new page. I resolved the problem.
>>>>>
>>>>> Another issue is popping up though. I want to loop through all the controls on the page. When I do a loop from 0 to controls.count the count is only 3. It should be more. Is there another way to loop through the controls collection? The code for the loop is below.
>>>>>
>>>>>

>>>>>    for (int i = 0;i<=this.Controls.Count;i++)
>>>>>        {
>>>>>	   if (this.Controls[i].ID.Substring(3,6) == "Flight")
>>>>>	        this.Controls[i].Visible = chkFlight.Checked;
>>>>>	}
>>>>>

>>>>>
>>>>>
>>>>>
>>>>>Jim
>>>>>
>>>>>>>All,
>>>>>>>
>>>>>>> I have a webform with a checkbox and a panel with some controls in it. I want the checkbox to show or hide the panel based on the value of the checkbox, but my code is not working. The code I have for the checkbox is below, please help.
>>>>>>>
>>>>>>>

>>>>>>>private void chkFlight_CheckedChanged(object sender, System.EventArgs e)
>>>>>>>  {
>>>>>>>    pnFlight.Visible = chkFlight.Checked;
>>>>>>>  }
>>>>>>>

>>>>>>
>>>>>>Jim,
>>>>>>
>>>>>>Check your setting for the checkbox's AutoPostBack property. It needs to be set to True to get the behavior you need.
>>>>>>
>>>>>>hth,