Working with C1ReportDesigner / About C1ReportDesigner / Design Tab / Data group
Data group

The Data group appears similar to the following image:

 

And consists of the following items:

To select change the connection string, click the ellipses button. This will open the Data Link Properties dialog box. To open an XML Schema Definition file (XDS) click the Open button. To edit or change the SQL statement, click the Build SQL Statement button which will open the Sql Builder dialog box.