Processing rdlc "a data source instance has not been supplied for the data source"

Recently, reportview showed that the rdlc encountered an exception "a data source instance has not been supplied for the data source". I searched a lot on the Internet to find out that the dataset binding problem exists.

Open your rdlc file in XML file to see if the names of dataset are the same as those of the dataset you want to bind.

If it is not displayed, click "retrieve data source again" to refresh the page several times.

Can refer to: http://social.msdn.microsoft.com/Forums/en-US/b039e765-3cc8-43ec-ae67-14b9656bc981/localreport-error-a-data-source-instance-has-not-been-supplied-for-the-data-source? Prof = required

Another msdn article: http://msdn.microsoft.com/en-us/library/ms252085 (V = vs.90)