protected void DropY_SelectedIndexChanged(object sender, EventArgs e)
{
int m = DateTime.Now.Month;
int y = Convert.ToInt32(DropY.SelectedValue.ToString());
DropM.Items.Clear();
if (y != DateTime.Now.Year)
{
m = 1;
}
for (int i = m; i < 13; i++)
{
DropM.ClearSelection();
ListItem item = new ListItem(i.ToString(), i.ToString());
if (item.Value.ToString() == DateTime.Now.Month.ToString())
{
item.Selected = true;
}
DropM.Items.Add(item);
}
}
//绑定日期年
protected void DataDp()
{
for (int i = DateTime.Now.Year; i < DateTime.Now.Year + 2; i++)
{
ListItem item = new ListItem(i.ToString(), i.ToString());
if (item.Value.ToString() == DateTime.Now.Year.ToString())
{
item.Selected = true;
}
DropY.Items.Add(item);
}
int y = Convert.ToInt32(DropY.SelectedValue.ToString());
int m = DateTime.Now.Month;
if (y != DateTime.Now.Year)
{
m = 1;
}
for (int i = m; i < 13; i++)
{
DropM.ClearSelection();
ListItem item = new ListItem(i.ToString(), i.ToString());
if (item.Value.ToString() == DateTime.Now.Month.ToString())
{
item.Selected = true;
}
DropM.Items.Add(item);
}
int ms = Convert.ToInt32(DropM.SelectedValue.ToString());
int Dsum = 31;
switch (ms)
{
case 1:
Dsum = 31;
break;
case 2:
if ((((y % 4) == 0) && ((y % 100) != 0)) || ((y % 400) == 0))
{
Dsum = 29;
}
else
{
Dsum = 28;
}
break;
case 3:
Dsum = 31;
break;
case 4:
Dsum = 30;
break;
case 5:
Dsum = 31;
break;
case 6:
Dsum = 30;
break;
case 7:
Dsum = 31;
break;
case 8:
Dsum = 31;
break;
case 9:
Dsum = 30;
break;
case 10:
Dsum = 31;
break;
case 11:
Dsum = 30;
break;
case 12:
Dsum = 31;
break;
}
//日
for (int i = 1; i <= Dsum; i++)
{
ListItem item = new ListItem(i.ToString(), i.ToString());
if (item.Value.ToString() == DateTime.Now.Day.ToString())
{
item.Selected = true;
}
DropD.Items.Add(item);
}
}