Server Error in '/' Application.

Object reference not set to an instance of an object.

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.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

[No relevant source lines]

Source File: c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\efa3206a\1f65adef\App_Web_how-to-apply.aspx.cdcab7d2.fe78uofi.0.cs Line: 0

Stack Trace:

[NullReferenceException: Object reference not set to an instance of an object.]
   bpmaproject.frm_onlinebooking..ctor() in D:\1 AHMED HASHMI\BPMarine\updated files bpmarine\bpmarine.co.in\frm_onlinebooking.aspx.cs:17
   ASP.how_to_apply_aspx..ctor() in c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\efa3206a\1f65adef\App_Web_how-to-apply.aspx.cdcab7d2.fe78uofi.0.cs:0
   __ASP.FastObjectFactory_app_web_how_to_apply_aspx_cdcab7d2_fe78uofi.Create_ASP_how_to_apply_aspx() in c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\efa3206a\1f65adef\App_Web_how-to-apply.aspx.cdcab7d2.fe78uofi.1.cs:0
   System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp) +131
   System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +43
   System.Web.MaterializeHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +374
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +194
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +127

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3930.0