J'ai un problème d'authentification sur mon application c#
Bonjour,
J'ai un problème d'authentification sur mon application c# . j'arrive pas a se connecté a l’application .quand j’exécute l'application et j'entre le login et le passe il m'en dit que c'est des faux même c'est vrai . je vous montre les étape si quelqu'un peux m'aider a résoudre se problème et 1000 merci d'avance.
voila le contenu :
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| public class DB
{
public DB()
{
//
// TODO*: ajoutez ici la logique du constructeur
//
}
public static DataTable isUserMyschool(string user, string pwd)
{
// variable servant à authentifier le user
bool isUserMyschool = false;
MySqlConnection connection = new MySqlConnection();
connection.ConnectionString = Ctes.strConnect;
string QueryString = "SELECT login, "
+ " pass, "
+ " profil "
+ " FROM t_authentif "
+ " where login = '" + user + "' "
+ " and pass = '" + pwd + "'";
MySqlDataAdapter DBAdapter;
DataSet ResultsDataSet = new DataSet();
try
{
Ctes.strConnectWeb.AsQueryable();
connection.Open();
// Run the query and create a DataSet.
DBAdapter = new MySqlDataAdapter (QueryString, connection);
DBAdapter.Fill(ResultsDataSet);
if (ResultsDataSet.Tables[0].Rows.Count > 0)
{
isUserMyschool = true;
}
else
isUserMyschool = false; // affectation facultative
// Close the database connection.
connection.Close();
}
catch (Exception ex)
{
// Close the database connection if it is still open.
if (connection.State == ConnectionState.Open)
{
connection.Close();
MessageBox.Show(ex.Message);
}
//msgPerso("Unable to connect to the database.");
}
if (isUserMyschool)
return ResultsDataSet.Tables[0].Copy();
else
return null;
}
public static bool executeNonQuery(string QueryString)
{
try
{
MySqlConnection connection = new MySqlConnection();
connection.ConnectionString = Ctes.strConnect;
MySqlCommand oCommand = new MySqlCommand(QueryString, connection);
connection.Open();
oCommand.ExecuteNonQuery();
connection.Close();
return true;
}
catch (Exception ex)
{
return false;
}
}
public static DataTable RunQuery(String QueryString)
{
// Declare the connection string. This example uses Oracle
MySqlConnection connection = new MySqlConnection();
connection.ConnectionString = Ctes.strConnect;
MySqlDataAdapter DBAdapter;
DataSet ResultsDataSet = new DataSet();
try
{
connection.Open();
// Run the query and create a DataSet.
DBAdapter = new MySqlDataAdapter (QueryString, connection);
DBAdapter.Fill(ResultsDataSet);
// Close the database connection.
connection.Close();
}
catch (Exception ex)
{
// Close the database connection if it is still open.
if (connection.State == ConnectionState.Open)
{
connection.Close();
}
//msgPerso("Unable to connect to the database.");
}
if (ResultsDataSet.Tables.Count < 1)
{
return new DataTable();
}
else
{
return ResultsDataSet.Tables[0].Copy();
}
}
public static object RunQueryScalar(String QueryString)
{
MySqlConnection connection = new MySqlConnection();
connection.ConnectionString = Ctes.strConnect;
object result="";
try
{
connection.Open();
MySqlCommand command = new MySqlCommand(QueryString, connection);
result = command.ExecuteScalar();
connection.Close();
}
catch (Exception ex)
{
// Close the database connection if it is still open.
if (connection.State == ConnectionState.Open)
{
connection.Close();
}
//msgPerso("Unable to connect to the database.");
}
return result;
}
} |
