errore improvviso

[goblinside]

Salve stiamo realizzando un sito in asp net, fino a stamattina andava tutto bene, di colpo e uscito questo errore

un consiglio su cosa puo' essere?

Server Error in '/' Application.
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The ConnectionString property has not been initialized.
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.InvalidOperationException: The ConnectionString property has not been initialized.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[InvalidOperationException: The ConnectionString property has not been initialized.]
System.Data.OleDb.OleDbConnection.Open() +203
campaniavacanze.index.CaricaUltimeStrutture() +69
campaniavacanze.index.Page_Load(Object sender, EventArgs e) +181
System.Web.UI.Control.OnLoad(EventArgs e) +67
System.Web.UI.Control.LoadRecursive() +35
System.Web.UI.Page.ProcessRequestMain() +731




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Version Information: Microsoft .NET Framework Version:1.1.4322.573; ASP.NET Version:1.1.4322.573

[innovatel]

proa a fare il debug.
significa che ti manca la stingadi connessione
prova a controllare l suo valore prima di usarla