--SQLServer的连接字符串,看看对不对?
<add key="DataConString" value="Provider=SQLOLEDB;Server=IP地址;database=数据库名称;user id=sa;password=" />
<add key="DataConString" value="Provider=SQLOLEDB;Server=IP地址;database=数据库名称;user id=sa;password=" />
PRB: "Client Unable to Establish Connection" Error Message When Connecting from ASP to SQL Server
http://support.microsoft.com/kb/253500/