public string GetChecked(CheckBoxList checkList, string separator)
{
string str = "";
for (int i = 0; i < checkList.Items.Count; i++)
{
if (checkList.Items[i].Selected)
{
str += checkList.Items[i].Value + separator;
}
}
return str;
}

public void SetChecked(CheckBoxList checkList, string selval, string separator)
{
selval = separator + selval + separator; //例如："0,1,1,2,1"->",0,1,1,2,1,"
for (int i = 0; i < checkList.Items.Count; i++)
{
checkList.Items[i].Selected = false;
string val = separator + checkList.Items[i].Value + separator;
if (selval.IndexOf(val) != -1)
{
checkList.Items[i].Selected = true;
selval = selval.Replace(val, separator); //然后從原來的值串中刪除已經(jīng)選中了的
if (selval == separator) //selval的最后一項(xiàng)也被選中的話，此時經(jīng)過Replace后，只會剩下一個分隔符
{
selval += separator; //添加一個分隔符
}
}
}
}