private void TXT_PASSWORD_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar == Convert.ToChar(Keys.Enter))
{
if (TXT_USER.Text == "" || TXT_USER == null)
{
MessageBox.Show("no puede quedar vacio el campo nombre de usuario", "ALFA ERP..", MessageBoxButtons.OK, MessageBoxIcon.Warning);
TXT_USER.Focus();
return;
}
if (TXT_PASSWORD.Text == "" || TXT_PASSWORD == null)
{
MessageBox.Show("no puede quedar vacio el campo password", "ALFA ERP..", MessageBoxButtons.OK, MessageBoxIcon.Warning);
TXT_USER.Focus();
return;
}
try
{
mtd.abrirConexion();
if (mtd.usuarioRegistrado(TXT_USER.Text.ToString().Trim()) == true)
{
string contra = mtd.existeContra(TXT_USER.Text.ToString().Trim());
if (contra.Equals(TXT_PASSWORD.Text.ToString().Trim()) == true)
{
this.Hide();
VISTAS.Menu frn_menu = new VISTAS.Menu(TXT_USER.Text.ToString().Trim());
frn_menu.Show();
}
else
{
MessageBox.Show("CONTRASEÑA INVALIDA", "ALFA ERP..", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
TXT_USER.Focus();
}
}
else
{
MessageBox.Show("EL USUARIO:--" + TXT_USER.Text + "--NO SE ENCUENTRA REGISTRADO O SU CUENTA ESTA DESACTIVADA", "ALFA ERP..", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
TXT_USER.Focus();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message + " Ocurrio un error al entrar al sistema!!", "ALFA ERP..", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
finally
{
mtd.cerrarConexion();
TXT_PASSWORD.ResetText();
TXT_USER.ResetText();
}
}
}
private void ThongBaoLoi()
{
if (TXT_USER.Text == "")
{
MessageBox.Show("Bạn Chưa Nhập Tên Đăng Nhập!");
}
TXT_USER.Focus();
if (TXT_PASS.Text == "")
{
MessageBox.Show("Bạn Chưa Nhập Mật Khẩu!");
}
TXT_PASS.Focus();
//if ( TXT_USER.Text == "" || TXT_PASS.Text == "")
//{
// MessageBox.Show("Bạn Chưa Nhập Tên Hoặc Mật Khẩu!");
//}
//TXT_USER.Text = "";
//TXT_PASS.Text = "";
//TXT_USER.Focus();
}
private void DangNhapHeThong()
{
ThongBaoLoi();
DataTable DTT = MaHoa();
if (DTT.Rows.Count == 0)
{
MessageBox.Show("Sang!!!");
TXT_USER.Text = "";
TXT_PASS.Text = "";
TXT_USER.Focus();
}
else
{
ThamSo.Admin = Convert.ToByte(DTT.Rows[0]["ADMIN"]);
ThamSo.USERNAME = Convert.ToString(DTT.Rows[0]["USERNAME"]);
ThamSo.PASSWORD = Convert.ToString(DTT.Rows[0]["PASSWORD"]);
MessageBox.Show("Đăng Nhập Thành Công");
MessageBox.Show("SELECT * FROM USERS WHERE USENAME ='" + TXT_USER.Text.Trim() + "' AND PASSWORD = '******'");
this.Close();
status = true;
}
}
private void BTN_INGRESAR_Click(object sender, EventArgs e)
{
if (TXT_USER.Text == "" || TXT_USER == null)
{
MessageBox.Show("no puede quedar vacio el campo nombre de usuario", "ALFA ERP..", MessageBoxButtons.OK, MessageBoxIcon.Warning);
TXT_USER.Focus();
return;
}
if (TXT_PASSWORD.Text == "" || TXT_PASSWORD == null)
{
MessageBox.Show("no puede quedar vacio el campo password", "ALFA ERP..", MessageBoxButtons.OK, MessageBoxIcon.Warning);
TXT_USER.Focus();
return;
}
try
{
mtd.abrirConexion();
if (mtd.usuarioRegistrado(TXT_USER.Text.ToString().Trim()) == true)
{
MessageBox.Show("se encontro!!");
}
else
{
MessageBox.Show("no se encontro!!");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message + " Ocurrio un error al entrar al sistema!!", "ALFA ERP..", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
finally {
mtd.cerrarConexion();
TXT_PASSWORD.ResetText();
TXT_USER.ResetText();
}
}
