Server Error in '/' Application.

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:


Line 63:         {
Line 64:             if (SqlCon.State != ConnectionState.Open)
Line 65:                 SqlCon.Open();
Line 66:         }
Line 67: 

Source File: c:\inetpub\vhosts\detayproje.com\httpdocs\App_Code\Snlg_DBConnect.cs    Line: 65

Stack Trace:


[InvalidOperationException: The ConnectionString property has not been initialized.]
   System.Data.SqlClient.SqlConnection.PermissionDemand() +6060414
   System.Data.SqlClient.SqlConnectionFactory.PermissionDemand(DbConnection outerConnection) +27
   System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +156
   System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +22
   System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +92
   System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +219
   System.Data.SqlClient.SqlConnection.Open() +101
   Snlg_DataBase.Snlg_DBConnect.Ac() in c:\inetpub\vhosts\detayproje.com\httpdocs\App_Code\Snlg_DBConnect.cs:65
   Snlg_DataBase.Snlg_DBConnect..ctor(Boolean baglantiAcilsin) in c:\inetpub\vhosts\detayproje.com\httpdocs\App_Code\Snlg_DBConnect.cs:53
   Snlg_UrlRewrite.UrlRewrite(Object sender) in c:\inetpub\vhosts\detayproje.com\httpdocs\App_Code\Snlg_UrlRewrite.cs:109
   Snlg_UrlRewrite.context_BeginRequest(Object sender, EventArgs e) in c:\inetpub\vhosts\detayproje.com\httpdocs\App_Code\Snlg_UrlRewrite.cs:26
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +144
   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:4.8.4700.0