private void Btn_login_Click(object sender, EventArgs e)
{
API_Controller api = new API_Controller();
string obj = api.getAllAdmins();
string nonHashPassword = Txt_password.Text;
var data = Encoding.ASCII.GetBytes(nonHashPassword);
var sha1 = new SHA1CryptoServiceProvider();
var sha1data = sha1.ComputeHash(data);
string hashedPassword = System.Text.Encoding.UTF8.GetString(sha1data);
if (api.logInAdmin(obj, Txt_email.Text, hashedPassword))
{
this.Close();
}
}