webhelper.cs

本在线考试系统采用了面向对象的分析和设计

using System;
using System.Data;
using System.Configuration;
using System.Collections.Generic;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using ExaminationSystem.BLL.Service;
using ExaminationSystem.BLL.Domain;
/// <summary>
/// WebHelper 的摘要说明
/// </summary>
public class WebHelper
{
    public static string GetAnswerFromCheckBoxList(CheckBoxList list)
    {
        string answer = "";
        for (int i = 0; i < list.Items.Count; i++)
        {
            if (list.Items[i].Selected == true)
            {
                answer += i + ",";
            }
        }
        answer = answer.Substring(0, answer.Length - 1);
        return answer;
    }
    public static void AddChoiceFromCheckBoxList(CheckBoxList list,DuoXuanContent duoxuan)
    {
        for (int i = 0; i < list.Items.Count; i++)
        {
            Choice choice = new Choice();
            choice.Index = i;
            choice.Value = list.Items[i].Text;
            duoxuan.Choices.Add(choice);
        }
    }
    public static void SetCheckBoxListByDuoXuan(DuoXuanContent duoXuanContent, CheckBoxList list)
    {
        foreach (Choice choice in duoXuanContent.Choices)
        {
            ListItem item = new ListItem();
            item.Text = choice.Value;
            if (duoXuanContent.Answer.Contains(choice.Index.ToString()))
                item.Selected = true;
            list.Items.Add(item);
        }
    }
    public static void RemoveSelectedCheckList(CheckBoxList list)
    {
        IList<ListItem> selectedList = new List<ListItem>();
        for (int i = 0; i <list.Items.Count; i++)
        {
            if (list.Items[i].Selected == true)
            {
                selectedList.Add(list.Items[i]);
            }
        }
        foreach (ListItem deleteItem in selectedList)
        {
            list.Items.Remove(deleteItem);
        }
    }
    public static void AddChoiceFromRadioButtonList(RadioButtonList list,DanXuanContent danxuan)
    {
        for (int i = 0; i < list.Items.Count; i++)
        {
            Choice choice = new Choice(i, list.Items[i].Text);
            danxuan.Choices.Add(choice);
        }
    }
    public static string GetAnswerFromRadioButtonList(RadioButtonList list)
    {
        return list.SelectedIndex.ToString();
    }
    public static void SetRadioButtonListByDanXuan(RadioButtonList list, DanXuanContent danxuan)
    {
        foreach (Choice choice in danxuan.Choices)
        {
            ListItem item = new ListItem();
            item.Text = choice.Value;
            list.Items.Add(item);
        }
    }
    public static void SaveAnswer(Paper currentPaper)
    {
    }
}