Length cannot be less than zero. Parameter name: length
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.ArgumentOutOfRangeException: Length cannot be less than zero. Parameter name: length
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:
[ArgumentOutOfRangeException: Length cannot be less than zero.
Parameter name: length]
System.String.Substring(Int32 startIndex, Int32 length) +15054132
Eventi_2023.OnInit(EventArgs e) +1377
System.Web.UI.Control.InitRecursive(Control namingContainer) +166
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1598
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4081.0