Sanırım anlatamadım o yüzden Kodları buraya kopyalıyorum.Şöyle Açıklayayım.Kullanıcı formu doldururken.indate ve outdate e verileri gidrdiğinde otomatik olarak kaç gün olduğunu total_date te görmesini istiyorum.Tekrar çok teşekkürediyorum.İlginize.

<cfform>

<table width="483" border="0" align="center"></cfif>
  <tr>
    <td width="144">Check in Date </td>
    <td colspan="3"><cfinput type="text" name="in_date" required="yes">
  </tr>
  <tr>
    <td>Check Out Date </td>
    <td colspan="3"><cfinput type="text" name="out_date" required="yes"></td>
  </tr>
  <tr>
    <td>Total  Date </td>
    <td colspan="3"><cfinput type="text" name="totaldate" required="yes"></td>
  </tr>
  <tr>
    <td>Operator</td>
    <td colspan="3"><cfselect name="operator">
    <option value="Value">Lutfen Secim Yapin</option>
    <option value="Value">Diana</option>
    <option value="Value">Oger Tour</option>
    </cfselect>
  <tr>
    <td>Room</td>
    <td colspan="3"><cfselect name="room" >
    <option value="value">Lutfen Oda Tipini Seciniz</option>
    <option value="value">Standart Sea View</option>
    <option value="value">Standart Garden View</option>
    <option value="value">Begonvilla</option></cfselect></td>
    </tr>
  <tr>
    <td>Adult</td>
    <td width="144"><cfselect name="adult" size="1">
    <option value="Value">1</option>
    <option value="Value">2</option>
    <option value="Value">3</option>
    <option value="Value">4</option>
    </cfselect></td>
    <td width="79">Child</td>
    <td width="88"><cfselect name="child" size="1">
    <option value="Value">1</option>
    <option value="Value">2</option>
    <option value="Value">3</option>
    <option value="Value">4</option>
    </cfselect></td>
  </tr>
  <tr>
    <td>Ref Number <br>
      <cfinput type="text" name="refnumber" required="yes"></td>
    <td>Guest Name/LastName<br>
    <cfinput type="text" name="firstlast" required="yes"></td>
    <td>Birth Date<br>
    <cfinput type="text" name="birth" required="yes"></td>
    <td>Age<br>
    <cfinput type="text" name="age" required="yes"></td>
  </tr>
  <tr>
    <td colspan="4"><div align="center">
      <cfinput type="submit" name="gonder" value="Record">
    </div></td>
    </tr>
</table>
<br>
</cfform>