How to select all the available values in the parameter list as default in the report

Refer Create Parameter section for better understanding with the following steps.

Click on Assign Value >> to open parameter assign dialog.

By default, the parameter dialog will be launched with Available Value tab. Refer Available Values section and choose the required dataset values in the dropdown’s.

Next, switch over to Default Value tab, which has below options.

Select Query Value option under Default Value tab.

Choose the dataset and the value field. The selection of the dataset and the value field should be same as the Available Value data set and value field query value.

Now, save the parameter and preview the report. By default, the report renders with all available values in the parameter list.