Server Error in '/' Application.

The connection name 'CO_ConnectionString' was not found in the applications configuration or the connection string is empty.

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 connection name 'CO_ConnectionString' was not found in the applications configuration or the connection string is empty.

Source Error:


Line 242:</html>
Line 243:		
Line 244:<asp:SqlDataSource ID="DSGuide" runat="server" ConnectionString="<%$ ConnectionStrings:CO_ConnectionString %>"
Line 245:        OldValuesParameterFormatString="original_{0}" SelectCommand="SELECT TOP 12  * FROM guide WHERE visibile = 1 AND (tipo = 1 or tipo = 3) and dataCreazione <= getDate() ORDER BY   dataModifica desc ">
Line 246:</asp:SqlDataSource>

Source File: D:\inetpub\webs\coquisit\index.aspx    Line: 244

Stack Trace:


[InvalidOperationException: The connection name 'CO_ConnectionString' was not found in the applications configuration or the connection string is empty.]
   System.Web.Compilation.ConnectionStringsExpressionBuilder.GetConnectionString(String connectionStringName) +1561578
   ASP.index_aspx.__BuildControlDSGuide() in D:\inetpub\webs\coquisit\index.aspx:244
   ASP.index_aspx.__BuildControlTree(index_aspx __ctrl) in D:\inetpub\webs\coquisit\index.aspx:1
   ASP.index_aspx.FrameworkInitialize() +96
   System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +48
   System.Web.UI.Page.ProcessRequest() +76
   System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +24
   System.Web.UI.Page.ProcessRequest(HttpContext context) +62
   ASP.index_aspx.ProcessRequest(HttpContext context) +37
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +195
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +50
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +73


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4690.0