How do I create a dropdown parameter in SSRS?

Drop Down List parameters in SSRS. To add SSRS Drop Down List Parameters, right-click on the Parameters Folder in the Report Data tab, and select Add parameters.. Once you click on Add parameters.. option, it will open a new window called Report parameter Properties to configure the parameter properties.Click to see full answer. Similarly one may ask, how do you use parameters in Report Builder?In Report Builder or Report Designer in SQL Server Data Tools (SSDT), in the Report Data pane, right-click the Parameters node and click Add Parameter. The Report Parameter Properties dialog box opens. In Name, type the name of the parameter or accept the default name.Beside above, how do you add a drop down filter in SSRS? Step two: add a filter on the data region. Right-click the handle of the data region, select Tablix Properties. Click Filters Tab on the left, click Add button in the right pane in the Tablix Properties. Select the column name which you would like to filter from the Expression drop-down list. Keeping this in view, can a parameter accept null values? Your SQL Server Reporting Services (SSRS) report has a multi value parameter, but it doesn’t show NULL in the parameter drop down along with the other parameter values. In SSRS a multi-value parameter cannot include a NULL value, so users can’t filter the data for NULL values.What is cascading parameters in SSRS?Cascading parameters provide a way of managing large amounts of report data. You can define a set of related parameters so that the list of values for one parameter depends on the value chosen in another parameter. For example, the first parameter is independent and might present a list of product categories.