Dim dt As Date = e.Form.Controls("DateTimePicker1").value If e.Form.Controls("DateTimePicker1").value = Nothing Then MessageBox.Show("请输入查询日期!","提示") Return Else DataTables("从业人员健康检查表").LoadFilter = "[体检日期] = '" & dt & "' " DataTables("从业人员健康检查表").Load() End If