SSPI 的登录问题,望高手指教,非常赶的,,!!!!!!!!!!!

[21wing]

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: Cannot generate SSPI context.

Line 8: SqlConnection Connection=new SqlConnection("server='(local)'; trusted_connection=true; database='sdhacc'");
Line 9: SqlCommand Command=new SqlCommand("select * from T_EXTUSER order by AddTime desc",Connection);
Line 10: Connection.Open();
Line 11: SqlDataReader Reader=Command.ExecuteReader();
Line 12: %>


[SqlException: Cannot generate SSPI context.]
System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction) +474
System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction) +372
System.Data.SqlClient.SqlConnection.Open() +384
ASP.extuseru_l_ascx.__Render__control1(HtmlTextWriter __output, Control parameterContainer) in D:\jdxh\web\maingb\extuseru_l.ascx:10
System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +27
System.Web.UI.Control.Render(HtmlTextWriter writer) +7
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +243
System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +72
System.Web.UI.Control.Render(HtmlTextWriter writer) +7
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +243
System.Web.UI.Page.ProcessRequestMain() +1929


现在不知怎样解决,,因为不太了角ASP.NET,,所以请教各位大侠

[21wing]

系统提示第10项出错;Line 10: Connection.Open();

[21wing]

难道无人知道,或者说无遇到过,,,,,,,各位大侠,,小生在线等待

[dh20156]

到.net区去问问。

[danis_cn]

引入命名空间了吗〉、？
using ystem.Data.SqlClient;

[21wing]

可以讲得详细点吗?