In Reportizer Opening Data Source dialog, there are several ways to open universal data link (.udl) files:
1. Opening by specifying file name. Select ADO interface, then choose File option and then browse for the needed file.
2. Opening through connection string. Select ADO interface, then choose Connection string option and write a connection string like the following one:
FILE NAME=c:\MyData\MyDataLinkFile.udl;
See also