Using Parameters in Visual Studio 2015 Reporting Services
<p>I am trying to get a parameter drop-down onto my report in Visual Studio 2015. It shows up fine on the design view, here i have populated it from another data set containing a unique list of one of the columns:</p>

<p><a href="https://i.stack.imgur.com/RqFFX.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/RqFFX.png" alt="enter image description here"></a></p>

<p>But when i go to the Preview tab, the parameters area is empty..</p>

<p><a href="https://i.stack.imgur.com/RwX0C.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/RwX0C.png" alt="enter image description here"></a></p>

<p>What am i doing wrong?</p>