How to bind country, state and city with DropDownList in ASP. NET using VB.NET
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max philPosted Oct 17, 2012, 12:27 PM
Erreur du serveur dans l'application '/'. -------------------------------------------------------------------------------- Le fichier spécifié est introuvable Description : Une exception non gérée s'est produite au moment de l'exécution de la requête Web actuelle. Contrôlez la trace de la pile pour plus d'informations sur l'erreur et son origine dans le code. Détails de l'exception: System.ComponentModel.Win32Exception: Le fichier spécifié est introuvable Erreur source: Ligne 7 : Ligne 8 : Public Sub Bind_ddlCountry() Ligne 9 : conn.Open() Ligne 10 : Dim cmd As New SqlCommand("select County,CountryId from Country", conn) Ligne 11 : Dim dr As SqlDataReader = cmd.ExecuteReader() Fichier source : C:\Users\philippe\Downloads\DropDownList\dropdownlist\WebForm1.aspx.vb Ligne : 9 Trace de la pile: [Win32Exception (0x80004005): Le fichier spécifié est introuvable] [SqlException (0x80131904): Une erreur liée au réseau ou spécifique à l'instance s'est produite lors de l'établissement d'une connexion à SQL Server. Le serveur est introuvable ou n'est pas accessible. Vérifiez que le nom de l'instance est correct et que SQL Server est configuré pour autoriser les connexions distantes. (provider: Named Pipes Provider, error: 40 - Impossible d'ouvrir une connexion à SQL Server)] System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) +5295167 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) +242 System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, Boolean withFailover) +5307115 System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover) +145 System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential credential, TimeoutTimer timeout) +889 System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer timeout, SqlConnectionString connectionOptions, SqlCredential credential, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance) +307 System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions) +434 System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) +225 System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions) +37 System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnectionOptions userOptions) +558 System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnectionOptions userOptions) +67 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +1052 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +78 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +167 System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +143 System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +83 System.Data.SqlClient.SqlConnection.Open() +96 dropdownlist.WebForm1.Bind_ddlCountry() in C:\Users\philippe\Downloads\DropDownList\dropdownlist\WebForm1.aspx.vb:9 dropdownlist.WebForm1.Page_Load(Object sender, EventArgs e) in C:\Users\philippe\Downloads\DropDownList\dropdownlist\WebForm1.aspx.vb:48 System.Web.UI.Control.OnLoad(EventArgs e) +92 System.Web.UI.Control.LoadRecursive() +54 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +772 -------------------------------------------------------------------------------- Informations sur la version : Version Microsoft .NET Framework :4.0.30319; Version ASP.NET :4.0.30319.17929