主题：如何清空日期数据

e.Form.Controls("DateTimePicker1").Text = Nothing

.NET Framework 版本：4.0.30319.1
Foxtable 版本：2024.11.1.1
错误所在事件：
详细错误信息：
The expression contains invalid date constant '## '.

控件Button1的Click事件代码

e.Form.Controls("DropBox1").Text = Nothing
e.Form.Controls("DateTimePicker1").Text = Nothing
e.Form.Controls("TextBox1").Text = Nothing

Tables("待加工查询_Table1").Filter = ""

DateTimePicker1的ValueChanged事件代码

Dim Filter As String
Dim ymd1 As WinForm.DateTimePicker = e.Form.Controls("DateTimePicker1")
If ymd1 IsNot Nothing Then
    If Filter > "" Then
        Filter = Filter & " And "
    End If
    Filter = Filter & "任务单.计划完成日期 <= #" & ymd1.value & "# "
End If
If Filter > "" Then
    Tables("待加工查询_Table1").Filter = Filter
End If