Server Error in '/' Application.

The remote computer refused the network connection

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.ComponentModel.Win32Exception: The remote computer refused the network connection

Source Error:

Line 68:                 using ( SqlCommand command = new SqlCommand( query, connection ) )
Line 69:                 {
Line 70:                     connection.Open();
Line 71: 
Line 72:                     if ( parameters != null )

Source File: D:\bushboard-washrooms.co.uk\App_Code\Helpers\Database.cs    Line: 70

Stack Trace:

[Win32Exception (0x80004005): The remote computer refused the network connection]

[SqlException (0x80131904): 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: TCP Provider, error: 0 - The remote computer refused the network connection.)]
   System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +345
   System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +156
   System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +258
   System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +312
   System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +202
   System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +413
   System.Data.SqlClient.SqlConnection.Open() +128
   Helpers.DB.ExecuteToTable(String query, SqlParameter[] parameters) in D:\bushboard-washrooms.co.uk\App_Code\Helpers\Database.cs:70
   Tier.PrepareQuery() in D:\bushboard-washrooms.co.uk\Tier.aspx.cs:140
   Tier.Page_Load(Object sender, EventArgs e) in D:\bushboard-washrooms.co.uk\Tier.aspx.cs:24
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785