Je suis en train de programmer un gestionnaire de base de données pour un serveur de jeu appelé OTServer, et j'ai des problèmes pour utiliser executereader() la deuxième fois. Voici le code:Est-il possible d'utiliser ExecuteReader() deux fois?
private void button1_Click(object sender, EventArgs e)
{
Form1 f = new Form1();
MySqlConnection conn = new MySqlConnection();
conn.ConnectionString = "Server=" + f.GetText1().Text + ";Username=" + f.GetText2().Text + ";Pwd=" + f.GetText3().Text + ";Database=" + f.GetText4().Text + ";";
conn.Open();
MySqlCommand cmd = new MySqlCommand("SELECT * FROM `players` WHERE name = @Name", conn);
cmd.Parameters.AddWithValue("@Name", textBox1.Text);
MySqlDataReader Reader = cmd.ExecuteReader(CommandBehavior.SingleRow);
while (Reader.Read())
{
label7.Text = (string)Reader[1];
label7.Show();
label8.Text = Reader[5].ToString();
label8.Show();
if ((int)Reader[6] == 1)
{
label9.Text = "Sorcerer (1)";
}
if ((int)Reader[6] == 2)
{
label9.Text = "Druid (2)";
}
if ((int)Reader[6] == 3)
{
label9.Text = "Paladin (3)";
}
if ((int)Reader[6] == 4)
{
label9.Text = "Knight (4)";
}
if ((int)Reader[6] == 0)
{
label9.Text = "None (0)";
}
label9.Show();
if ((int)Reader[3] == 1)
{
label10.Text = "Player";
}
if ((int)Reader[3] == 2)
{
label10.Text = "Tutor";
}
if ((int)Reader[3] == 3)
{
label10.Text = "Senior Tutor";
}
if ((int)Reader[3] == 4)
{
label10.Text = "Gamemaster";
}
if ((int)Reader[3] == 5)
{
label10.Text = "Community Manager";
}
if ((int)Reader[3] == 6)
{
label10.Text = "God";
}
if ((int)Reader[3] < 1 || (int)Reader[3] > 6)
{
label10.Text = "Unknown";
}
label10.Show();
label13.Text = "Account: " + Reader[4].ToString();
label13.Show();
}
Reader.Close();
cmd = new MySqlCommand("SELECT * FROM accounts WHERE id = @Account_ID", conn);
cmd.Parameters.AddWithValue("@Account_ID", label13.Text);
Reader = cmd.ExecuteReader(CommandBehavior.SingleRow);
while (Reader.Read())
{
label11.Text = (string)Reader[0];
label11.Show();
}
Reader.Close();
}
Quel genre de problèmes? De toute façon essayer de disposer de la commande aussi. –