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How to: Define Parameters in the MDX Query Designer for Analysis Services

To parameterize an MDX query for an Analysis Services data source, you must add a query parameter to the query. In the MDX query designer, you can add a query parameter in both Design mode and Query mode. After you define the query with a query parameter, Reporting Services automatically creates a report parameter and a dataset to provide the list of valid values. This enables a user to specify a value that is passed directly to the query.

To define a query parameter in MDX in Design mode

  1. In the Report Data pane, right-click on a dataset created from a SQL Server Analysis Services data source type, and then click Query. The MDX query designer opens in Design mode.

  2. Drag a dimension to the filter area and drop it on the first cell in the Dimension column.

  3. In the Hierarchy column, choose a value from the drop-down list.

  4. In the Operator column, choose an operator for the drop-down list.

  5. In the Filter Expression column, select individual values from the drop-down list, or click the All member to choose all values.

  6. In the Parameters column, select the check box to create a report parameter.

  7. Click Run.

    After you run the query, click Design on the toolbar to toggle to Query mode to view the MDX query that was created. Do not change the query text in Query mode if you want to continue to use Design mode to develop the query. Click Design to toggle back to Design mode.

  8. Click OK.

    In the Report Data pane, expand the Parameters node to display the report parameter that was automatically created for the filter.

    To view the dataset that provides available values for the report parameter, right-click any blank area in the Report Data pane, and then click Show Hidden Datasets. The Report Data pane displays all datasets in the report.

To define a query parameter in MDX in Query mode

  1. In the Report Data pane, right-click on a dataset created from a SQL Server Analysis Services data source type, and then click Query. The MDX query designer opens in Design mode. 

  2. On the toolbar, click Design to toggle to Query mode.

  3. On the MDX query designer toolbar, click Query Parameters (Icon for the Query Parameters dialog box). The Query Parameters dialog box opens.

  4. In the Parameter column, click <Enter Parameter>, and then type the name of a parameter.

  5. In the Dimension column, choose a value from the drop-down list.

  6. In the Hierarchy column, choose a value from the drop-down list.

  7. In the Multiple values column, select the check box to create a multivalue parameter.

  8. In the Default column, from the drop-down list, select a single value or multiple values depending on your choice in step 5.

  9. Click OK. 

  10. On the query designer toolbar, click Run.

  11. Click OK.

    In the Report Data pane, expand the Parameters node to display the report parameter that was automatically created for the filter.

    To view the dataset that provides available values for the report parameter, right-click any blank area in the Report Data pane, and then click Show Hidden Datasets. The Report Data pane displays all datasets in the report.

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