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Reporting Services - Introduction videos | SSRS Part 13 - Null values in parameters

Posted by Andrew Gould on 21 May 2013

SSRS Part 13 - Null values in parameters

Parameters allow your users to filter reports by typing in values or selecting from drop down lists. But what if they want to leave a parameter blank and still see results in the report? This video teaches you how to handle Null values in parameters to make this possible. You'll learn how to allow a null value in a parameter and how to write a WHERE clause to handle the null properly. We'll also look at how you can create drop down list parameters which allow null values, including how to append a null value to a dataset, how to mask the null value with descriptive text and how to sort the drop down list to make sure the null appears at the top.

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