title: Update one report parameter in ssrs using another
body: <p>I am trying to update parameter value in ssrs report builder tool. say if i want to update value of parameter "datetime" and select a value from drop down, i am getting a dropdown instead of textbox . How to update a value of datetime when i change a value of another parameter ?</p>
  
  <p><a href="https://i.stack.imgur.com/DAjQu.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/DAjQu.png" alt="enter image description here"></a></p>
  
  <p>in the above image timeframe if change then the value should reflect in 'start' datetime field but it wont. The same works if i do it for dropdopwn i.e. startdate field if i change value in timeframe it changes in startdate but not in start datetime field.</p>
  
  <p>Thanks</p>