private void EnterButton_Click(object sender, EventArgs e) { using (SqlConnection connection = new SqlConnection(connectionString)) { try { connection.Open(); } catch { MessageBox.Show("Ошибка подключения к базе данных", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } SqlCommand requestauth = new SqlCommand("SELECT dbo.AuthUser('" + LoginTextbox.Text + "','" + PasswordTextbox.Text + "')", connection); string result = requestauth.ExecuteScalar().ToString(); connection.Close(); if (result == "Fail") { MessageBox.Show("Неверный логин или пароль", "Ошибка авторизации", MessageBoxButtons.OK, MessageBoxIcon.Warning); } else { InitiateNewForm(result); this.Hide(); } LoginTextbox.Clear(); PasswordTextbox.Clear(); LoginTextbox.Focus(); } }
private void LoginTextbox_Leave(object sender, EventArgs e) { LoginTextbox.AddText(LoginPlaceholder); }
private void LoginTextbox_Enter(object sender, EventArgs e) { LoginTextbox.RemoveText(LoginPlaceholder); }