I have a very simple operation where I try to add a HtmlGenericControl to another HtmlGenericControl :
protected void Page_Load(object sender, EventArgs e)
{
HtmlGenericControl div = new HtmlGenericControl("div");
HtmlGenericControl p = new HtmlGenericControl("p");
div.Controls.Add(p);//exception occurs
}
An exception is thrown in the debugger only - the page itself renders as though nothing had happened. However something definitely does happen, as in a larger portion of code, controls are not being rendered as they should.
The actual exception is:
{InnerText = '((System.Web.UI.HtmlControls.HtmlContainerControl)(div)).InnerText' threw an exception of type 'System.Web.HttpException'}
I can't understand why this is happening, as you should be able to add controls to each other in this manner.
Note that from the first answer, I tried again with IDs but it still doesn't work:
I have some more information. When using a Placeholder control as the parent, there is no exception:
protected void Page_Init()
{
PlaceHolder ph = new PlaceHolder();
HtmlGenericControl p = new HtmlGenericControl("p");
ph.Controls.Add(p);//no problem
}
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