Data Source Properties Dialog Box, General
Select General on the Data Source Properties dialog box to display and modify connection information for a data source in the report.
Type the name of the data source. The data source name must be unique within the report. By default, a general name, such as DataSource1 or DataSource2, is assigned to the data source.
Select this option when you do not want to use a shared data source.
Select a data processing extension. The list displays all registered extensions.
Enter a connection string for the data source. Click Edit to build the connection string using the Connection Properties dialog box. Click the Expressions (fx) button to edit the expression.
Use shared data source reference
Select this option to link to a shared data source. Select a shared data source from the drop-down list. To edit the selected data source, click Edit. If Use shared data source reference is selected, Type and Connection string are disabled.
Use a single transaction when processing the queries
Select this option to indicate that datasets that use this data source are run in a single transaction against the database. To include transactions for subreports that use the same data source, set MergeTransactions to True in the subreport's Other properties section of the Properties pane.