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当我在MonthCalendar中选择某个特定日期时,我在该代码中选择了某个特定日期,但我在列表框中删除了一些项目,但在此之后,我选择MonthCalendar I中的另一个日期想要将项目放回列表框中,如何执行此操作? Iam在选择特定日期后没有收到物品。在MonthCalendar中选择特定日期时如何删除项目
private void monthCalendar1_DateChanged_1(object sender, DateRangeEventArgs e)
{
MyConn3 = new MySqlConnection(MyConnection3);
string mday= monthCalendar1.SelectionStart.Date.ToString("yyyyMMdd");
string test = ("select day, time, name from system where day='"+mday+"'");
cmd = new MySqlCommand(test, MyConn3);
MySqlDataReader MyReader2;
try
{
MyConn3.Open();
MyReader2 = cmd.ExecuteReader();
while (MyReader2.Read())
{
eDay = MyReader2.GetString("day");
eTime = MyReader2.GetString("time");
string namn = MyReader2.GetString("name");
if (eDay.Contains(mday))
{
Console.WriteLine("time " + eTime);
Console.WriteLine(eDay);
Console.WriteLine(eTime);
Console.WriteLine("test: " + mday);
listBox1.Items.Remove(eTime);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
MyConn3.Close();
}
:字符串[] MEEP = { “08:00-12:00”,“12:00-16: 00“,”16:00-20:00“};当我选择一个数据库中的日期时,我想删除它。 – Sivar