在JBuilder5中关于DataBase的连接属性(50分)

我用JBuilder5进行数据库连接，在设置DataBase组件的连接属性时，不知道要怎么
输入Username这一项，我随便填了几个名称但都不行，点击Test Connection按钮总是
失败，它显示：[blue]Unlicensed copy of JDataStore. Use the License Manager in
the JDataStore Explorer to register JDataStore.[/blue]
请问我应该怎么解决？

Running JDataStore 4
Before you can use JDataStore, you must enter your license information:
Start the JDataStore Explorer in one of the following ways:
From the File Manager: In the bin folder under the folder you installed JBuilder 5 to,do
uble-click on JdsExplorer.exe.
From the command line: Enter jbuilder5/bin/JdsExplorer.exe.
Note: If you did not install JBuilder 5 to the default directory, then
substitute your own path and directory name.
While running JBuilder 5: Select Tools|JDataStore Explorer:
From the JDataStore Explorer menu, select File|License Manager
When the License Manager appears, enter your name and your company name, then
click Add.
Enter the following serial number and license key: Serial Number: xd63-9f5qn-7jpk5
License Key: egs-xcv
Click OK.
Accept the license agreement when prompted, then
click OK.
Click OK to exit the License Manager.

接受答案了.