How To Access and Modify SQL Server BLOB Data by Using the ADO Stream Object
http://support.microsoft.com/?kbid=258038
How To Read and Write BLOB Data by Using ADO.NET with Visual Basic .NET
http://support.microsoft.com/kb/308042/EN-US/
How to pass array of values into SQL Server stored procedure using XML and Visual Basic .NET
http://support.microsoft.com/default.aspx?scid=kb;en-us;555266