Question

How to get which value items where selected from a CheckBoxList using Request.Form?

I see these 2 form keys:

[12]: "ctl00$MainContent$cblTimeOfDay$0"
[13]: "ctl00$MainContent$cblTimeOfDay$3"

0 and 3 are the selected values from my check box list which has 4 items.

I’d need to find those values programmaticlaly on Page_Init

thanks,

Answer 1

I wrote this method which works but not with the best performance:

public static TimeOfDay Create(NameValueCollection httpRequestForm, string checkBoxId)
        {
            var result = new TimeOfDay();

            var selectedCheckBoxItems = from key in httpRequestForm.AllKeys
                       where key.Contains(checkBoxId)
                       select httpRequestForm.Get(key);

            if (selectedCheckBoxItems.Count() == 0)
            {
                result.ShowFull = true;
                return result;
            }

            foreach (var item in selectedCheckBoxItems)
            {
                var selectedValue = int.Parse(item.Substring(item.Length));

                    switch (selectedValue)
                    {
                        case 0:
                            result.ShowAm = true;
                            break;
                        case 1:
                            result.ShowPm = true;
                            break;
                        case 2:
                            result.ShowEvening = true;
                            break;
                        case 3:
                            result.ShowFull = true;
                            break;
                        default:
                            throw new ApplicationException("value is not supported int the check box list.");
                    }
                }

            return result;
        }

and use it like this:

TimeOfDay.Create(this.Request.Form, this.cblTimeOfDay.ID)