谁能帮我啊，怎么老这样啊<br/><i>有可用的错误信息: REGDB_E_CLASSNOTREG(0x80040154)。</i> <font face="Arial, Helvetica, Geneva, SunSans-Regular, sans-serif"><b>说明: </b>执行当前 Web 请求期间，出现未处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。 <br/><br/><b>异常详细信息: </b>System.Data.OleDb.OleDbException: 没有可用的错误信息: REGDB_E_CLASSNOTREG(0x80040154)。<br/><br/><b>源错误:</b> <br/><br/><table class="t_table" cellspacing="1" cellpadding="4" style="width:98%;background: #ffffcc;"><tr><td>行 157：&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// open DB Connection via OleDb行 158：&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Connection = new OleDbConnection(sConnectionString);<font color="red">行 159：&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Connection.Open();&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font>行 160：&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;行 161：&nbsp;&nbsp;&nbsp;&nbsp;}</td></tr></table><br/><b><font face="Verdana">源文件: </font></b>c:\inetpub\wwwroot\smallhouse\ccutility.cs<b><font face="Verdana">&nbsp;&nbsp;&nbsp;&nbsp;行: </font></b>159 <br/><br/><b><font face="Verdana">堆栈跟踪:</font></b> <br/><br/><table class="t_table" cellspacing="1" cellpadding="4" style="width:98%;background: #ffffcc;"><tr><td>[OleDbException (0x80040154): 没有可用的错误信息: REGDB_E_CLASSNOTREG(0x80040154)。][InvalidOperationException: 未在本地计算机上注册“SQLOLEDB”提供程序。]&nbsp;&nbsp; System.Data.OleDb.OleDbConnection.CreateProviderError(Int32 hr) +83&nbsp;&nbsp; System.Data.OleDb.OleDbConnection.CreateProvider(OleDbConnectionString constr) +107&nbsp;&nbsp; System.Data.OleDb.OleDbConnection.Open() +203&nbsp;&nbsp; SmallHouse.CCUtility.DBOpen() in c:\inetpub\wwwroot\smallhouse\ccutility.cs:159&nbsp;&nbsp; SmallHouse.CCUtility..ctor(Object parent) in c:\inetpub\wwwroot\smallhouse\ccutility.cs:89&nbsp;&nbsp; SmallHouse._default.Page_Load(Object sender, EventArgs e) in c:\inetpub\wwwroot\smallhouse\default.aspx.cs:30&nbsp;&nbsp; System.Web.UI.Control.OnLoad(EventArgs e) +67&nbsp;&nbsp; System.Web.UI.Control.LoadRecursive() +35&nbsp;&nbsp; System.Web.UI.Page.ProcessRequestMain() +731</td></tr></table><br/><b><font face="Verdana">版本信息:</font></b> Microsoft .NET Framework 版本:1.1.4322.573; ASP.NET 版本:1.1.4322.573 </font>