Je suis occupé avec une application web e-commerce en utilisant Visual Studio 2005 et IIS 7System.TypeInitializationException était non gérée par un code utilisateur erreur s'il vous plaît aider
J'ai eu cette erreur
System.TypeInitializationException était non gérée par l'utilisateur Message
Message = "L'initialiseur de type pour 'ShopConfiguration' a émis une exception."
Source = "App_Code.r-ihwy-d"
TypeName = "ShopConfiguration"
StackTrace:
at ShopConfiguration.get_DbProviderName()
at GenericDataAccess.CreateCommand() in c:\inetpub\wwwroot\Beadafrican\App_Code\GenericDataAccess.cs:line 63
at CatalogAccess.GetDepartments() in c:\inetpub\wwwroot\Beadafrican\App_Code\CatalogAccess.cs:line 28
at UserControls_DepartmentsList.Page_Load(Object sender, EventArgs e) in c:\inetpub\wwwroot\Beadafrican\UserControls\DepartmentsList.ascx.cs:line 22
at System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e)
at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e)
at System.Web.UI.Control.OnLoad(EventArgs e)
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
Si je regarde le code, il fait référence à ce que je ne vois pas est faux? Voici le code si quelqu'un peut s'il vous plaît aider ce serait génial!
GenericDataAccess.cs:
public static class GenericDataAccess {// constructeur statique GenericDataAccess statique() { // // TODO : Ajouter la logique constructeur ici // }
//execute a command and returns the result as a DataTable Object
public static DataTable ExecuteSelectCommand(DbCommand command)
{
//The DataTable to be returned
DataTable table;
//Execute the command making sure the connection gets closed in the end
try
{
//open the data connection
command.Connection.Open();
//Execute the command and save the results in a DataTable
DbDataReader reader = command.ExecuteReader();
table = new DataTable();
table.Load(reader);
//Close the reader
reader.Close();
}
catch (Exception ex)
{
Utilities.LogError(ex);
throw ex;
}
finally
{
//Close the connection
command.Connection.Close();
}
return table;
}
//creates and prepares a new DbCommand object on a new connection
public static DbCommand CreateCommand()
{
//Obtain the database provider name
string dataProviderName = ShopConfiguration.DbProviderName;
//Obtain the database connection string
string connectionString = ShopConfiguration.DbConnectionString;
//Create a new data provider factory
DbProviderFactory factory = DbProviderFactories.GetFactory(dataProviderName);
//Obtain a database specific connection object
DbConnection conn = factory.CreateConnection();
//Set the connection string
conn.ConnectionString = connectionString;
//Create a database specific command object
DbCommand comm = conn.CreateCommand();
//Set the command type to stored procedure
comm.CommandType = CommandType.StoredProcedure;
//Return the initialised command object
return comm;
}
CatalogAccess.cs
public static class CatalogAccess { CatalogAccess statique() { // // TODO : Ajouter la logique constructeur ici // }
//Retrieve the list of departments
public static DataTable GetDepartments()
{
//get configured DbCommand object
DbCommand comm = GenericDataAccess.CreateCommand();
//set the stored procedure name
comm.CommandText = "GetDepartments";
//execute the stored procedure and return the results
return GenericDataAccess.ExecuteSelectCommand(comm);
}
}
DepartementList.ascx.cs
public partiel classe UserControls_DepartmentsList: System.Web.UI.UserControl { // Load les détails de service dans le DataList protected void Page_Load (expéditeur d'objet, EventArgs e) { // ne rechargent pas les données pendant postbacks
{
// CatalogAccess.GetDepartments returns a DataTable object containing
// department data, which is read in the ItemTemplate of the DataList
list.DataSource = CatalogAccess.GetDepartments();
// Needed to bind the data bound controls to the data source
list.DataBind();
}
}
}
la classe ShopConfiguration
{ // Met en cache la chaîne de connexion private readonly static string dbConnectionString;
//Caches the data provider name
private readonly
chaîne statique dbProviderName;
//stores the number of products per page
private readonly static int productsPerPage;
//Stores the product description length for product lits
private readonly static int productDescriptionLenght;
//Store the name of your shop
private readonly static string siteName;
//Initialize various proeprties in the constructor
static ShopConfiguration()
{
dbConnectionString = ConfigurationManager.ConnectionStrings["LocalSqlServer"].ConnectionString;
dbProviderName = ConfigurationManager.ConnectionStrings["LocalSqlServer"].ProviderName;
productsPerPage = Int32.Parse(ConfigurationManager.AppSettings["ProductsPerPage"]);
productDescriptionLenght = Int32.Parse(ConfigurationManager.AppSettings["ProductDescriptionLenght"]);
siteName = ConfigurationManager.AppSettings["SiteName"];
}
//Returns the connection string for BeadAfrican database
public static string DbConnectionString
{
get
{
return dbConnectionString;
}
}
//Returns the data provider name
public static string DbProviderName
{
get
{
return dbProviderName;
}
}
Ceci est ma chaîne de connexion - peut-être qu'il me manque quelque chose? connectionStrings> –