我正在设置一个Asp.Net CheckBoxList:
var objs = db.CoreObjectives.AsNoTracking().Where(n => n.Core_Target_ID == id && n.Current_Record == true);
foreach (var o in objs)
{
ListItem item = new ListItem();
item.Value = o.Core_Objectives_ID.ToString();
item.Text = o.Objective;
item.Selected = false;
results.Add(item);
}
lstObjectivesCore.DataSource = results;
lstObjectivesCore.DataBind();
我已经调试了item.Value行,而o.Core_Objectives_ID肯定是一个整数。但是当我稍后这样做时:
foreach (ListItem item in lstObjectivesCore.Items)
{
if (item.Selected)
{
int id = Convert.ToInt32(item.Value);
// Other code omitted
}
}
item.Value与item.Text相同,是一个字符串值,即“This is a Objective”? 我做错了吗?
答案 0 :(得分:3)
为什么使用DataBind?我会使用Items.AddRange
这对我有用(带有额外的测试代码)
List<ListItem> result = new List<ListItem>();
for (int i = 0; i < 10; i++)
{
result.Add(new ListItem("t" + i.ToString(), i.ToString()));
}
CheckBoxList1.Items.AddRange(result.ToArray());
foreach (ListItem item in CheckBoxList1.Items)
{
if (item.Selected)
{
int id = Convert.ToInt32(item.Value);
// Other code omitted
}
}