title: Get the value of ANTD Datepicker and show in Alert
body: <p>I am new in React and I want creating antd DatePicker, it will pop up when i click on button click so it don't have the Input. I want to show the value of Datepicker in alert message. How can do this?</p>
  <p>Here my Datepicker code</p>
  <pre><code>                                &lt;DatePicker 
                                      id='date_p'
                                      format=&quot;YYYY-MM-DD HH:mm&quot;
                                      disabledDate={disabledDate}
                                      disabledTime={disabledDateTime}
                                      showTime={{ defaultValue: moment('00:00', 'HH:mm'), format: 'HH:mm' }}  
                                      open={datePickerOpen}
                                      onOk={onConfirm}
                                      onChange = {onSelectDate}
                                      suffixIcon
                                      /&gt;
  </code></pre>
  <p>Here my alert code</p>
  <pre><code>&lt;Alert message='You message will be send at' type=&quot;info&quot; showIcon closable onClose={onClose}/&gt;  
  </code></pre>
  <p>Thank you for reading.</p>