페이지 에러

<link rel="stylesheet" href="/style.css"><h1>페이지 에러</h1><hr/>페이지에서 오류가 발생하였습니다. 다시 한번 시도해 보시고 계속적인 에러가 발생할 때에는 관리자에게 문의하여 주시기 바랍니다.<br>에러 페이지 주소 : http://www.hanintv.com/Default.aspx<br/>에러 메시지 : <font color='red'>A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)</font><hr/><b>Stack Trace:</b><br/>System.Data.SqlClient.SqlException: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)
<br>   at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
<br>   at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
<br>   at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
<br>   at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
<br>   at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
<br>   at System.Data.SqlClient.SqlConnection.Open()
<br>   at UniMaster.Web.Core.SqlHelper.ExecuteDataset(String connectionString, CommandType commandType, String commandText, Int32 startRecord, Int32 maxRecords, String srcTable, SqlParameter[] commandParameters)
<br>   at UniMaster.Web.Core.SqlHelper.ExecuteDataset(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters)
<br>   at UniMaster.Web.Core.SqlHelper.ExecuteDataset(String connectionString, CommandType commandType, String commandText, Int32 startRecord, Int32 maxRecords, String srcTable)
<br>   at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject)
<br>   at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject)
<br>   at UniMaster.Web.Boards.Data.LecData.View(String db, Int32 boardID)
<br>   at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
<br>   at UniMaster.Web.Homepage.Controls.TexTHtvBrief.Page_Load(Object sender, EventArgs e)
<br>   at UniMaster.Web.Boards.Business.LecBiz.LoadFromID()
<br>   at System.Web.UI.Control.OnLoad(EventArgs e)
<br>   at System.Web.UI.Control.LoadRecursive()
<br>   at UniMaster.Web.Homepage.HTVNEWS.News.view.Page_Load(Object sender, EventArgs e)
<br>   at System.Web.UI.Control.LoadRecursive()
<br>   at System.EventHandler.Invoke(Object sender, EventArgs e)
<br>   at System.Web.UI.Control.LoadRecursive()
<br>   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
<br>   at System.Web.UI.Control.OnLoad(EventArgs e)
<br>   at System.Web.UI.Control.LoadRecursive()
<br>   at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
<br>   at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
<br>   at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
<br>   at System.Data.SqlClient.SqlConnection.Open()
<br>   at UniMaster.Web.Core.SqlHelper.ExecuteDataset(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters)
<br>   at UniMaster.Web.Core.SqlHelper.ExecuteDataset(String connectionString, CommandType commandType, String commandText)
<br>   at UniMaster.Web.Boards.Data.LecData.View(String db, Int32 boardID)
<br>   at UniMaster.Web.Boards.Business.LecBiz.LoadFromID()
<br>   at UniMaster.Web.Boards.Business.LecBiz..ctor(String db, Int32 existBoardID)
<br>   at UniMaster.Web.Homepage.HTVColumn.News.view.Page_Load(Object sender, EventArgs e)
<br>   at System.EventHandler.Invoke(Object sender, EventArgs e)
<br>   at System.Web.UI.Control.OnLoad(EventArgs e)
<br>   at System.Web.UI.Control.LoadRecursive()
<br>   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)