Question

I add checkboxes that way:

protected void Page_Load(object sender, EventArgs e)
{
    if (!IsPostBack)
    {
        CheckBox FieldCh = new CheckBox();
        FieldCh.ID = "Field_" + Field.Id;
        Panel1.Controls.Add(FieldCh);
    }
}

but when I try to get this checkboxes from form:

foreach (Control item in FindControl("FieldForm").Controls)
  {
   if (item is Panel)
    {
      foreach (Control checkbox in item.Controls)

i cannot find this checkboxes :/ This could be problem with runat=server? I not find this property in Checkbox ..

Answer 1

If you want to find this CheckBox after PostBack (what I’ve assumed), you need to recreate it. Try to create this CheckBox out of if(!PostBack) clause (so it’s recreated after postback too):

protected void Page_Load(object sender, EventArgs e)
{
    CheckBox FieldCh = new CheckBox();
    FieldCh.ID = "Field_" + Field.Id;
    Panel1.Controls.Add(FieldCh);
    if (!IsPostBack)
    {
         // ....        
    }
}