protected void Page_Load(object sender, EventArgs e)
{
CheckBoxList chk = new CheckBoxList();
form1.Controls.Add(chk);
if (!IsPostBack)
{
chk.Items.Add("Hello");
}
}
或者:
protected void Page_Load(object sender, EventArgs e)
{
CheckBoxList chk = new CheckBoxList();
(chk.Items as IStateManager).TrackViewState();
if (!IsPostBack)
{
chk.Items.Add("Hello");
}
form1.Controls.Add(chk);
}
{
CheckBoxList chk = new CheckBoxList();
form1.Controls.Add(chk);
if (!IsPostBack)
{
chk.Items.Add("Hello");
}
}
或者:
protected void Page_Load(object sender, EventArgs e)
{
CheckBoxList chk = new CheckBoxList();
(chk.Items as IStateManager).TrackViewState();
if (!IsPostBack)
{
chk.Items.Add("Hello");
}
form1.Controls.Add(chk);
}