private async void button1_Click(object sender, EventArgs e)
{
command = new SqlCommand("SELECT * FROM Employee", conn);
try
{
reader = command.ExecuteReader();
while (await reader.ReadAsync())
{
if ((textBox1.Text == Convert.ToString(reader["Login"]) &&
textBox2.Text == Convert.ToString(reader["Password"])))
{
Information1 information = new Information1();
information.ShowDialog(this);
this.Hide();
}
else
{
label4.Visible = true;
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString(), ex.Source.ToString(), MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
public Update1(Information1 form, int number)
{
InitializeComponent();
conn = new SqlConnection(connectStr);
conn.Open();
reader = null;
Form = form;
if (number == 2)
{
Сотрудники.SelectedTab = tabPage2;
}
if (number == 3)
{
Сотрудники.SelectedTab = tabPage3;
}
}