Server Error in '/' Application.

Connection must be valid and open.

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: Connection must be valid and open.

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: Connection must be valid and open.]
   MySql.Data.MySqlClient.ExceptionInterceptor.Throw(Exception exception) +138
   MySql.Data.MySqlClient.MySqlCommand.CheckState() +270
   MySql.Data.MySqlClient.MySqlCommand.ExecuteReader(CommandBehavior behavior) +1452
   MySql.Data.MySqlClient.MySqlCommand.ExecuteNonQuery() +124
   C_Home.Class.Global.WriteLog(String Log, String url) +338
   C_Home.Pages.CarDetail.Display() +7226
   C_Home.Pages.CarDetail.Page_Init(Object o, EventArgs e) +218
   System.Web.UI.Control.OnInit(EventArgs e) +106
   System.Web.UI.Page.OnInit(EventArgs e) +16
   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:4.7.4087.0