private void btnLogin_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection("Data Source=.;Initial Catalog=QLKS;Integrated Security=True");
String ChucVu = "";
if (rdoQuanly.Checked == true)
{
try
{
ChucVu = "QuanLy";
SqlDataAdapter dta = new SqlDataAdapter("Select * From NHANVIEN Where TAIKHOAN = '" + txtUser.Text + "' and MATKHAU = '" + txtPass.Text + "' and CHUCVU = 'QuanLy'", con);
DataTable dtb = new DataTable();
dta.Fill(dtb);
if (dtb.Rows[0][0].ToString() != "NULL")
{
lblMA.Text = dtb.Rows[0][0].ToString();
con.Close();
try{
con.Open();
SqlCommand cmd = new SqlCommand("SP_Login", con);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@MSNV", lblMA.Text));
cmd.Parameters.Add(new SqlParameter("@TAIKHOAN", txtUser.Text));
cmd.Parameters.Add(new SqlParameter("@MATKHAU", txtPass.Text));
if (cmd.ExecuteNonQuery() > 0)
{
MessageBox.Show("Dang Nhap thanh cong");
}
else
{
MessageBox.Show("Dang Nhap Khong thanh cong");
}
}
catch (Exception ex)
{
MessageBox.Show("Loi ket noi " + ex.Message, "Thong bao");// thong bao loi
}
this.Hide();
TrangChu tc = new TrangChu();
tc.Show();
}
else
{
MessageBox.Show("Tai khong hoac mat khau khong chinh xac!", "Thong Bao", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch (Exception ex)
{
}
}
else
{
try
{
ChucVu = "NhanVien";
SqlDataAdapter dta = new SqlDataAdapter("Select * From NHANVIEN Where TAIKHOAN = '" + txtUser.Text + "' and MATKHAU = '" + txtPass.Text + "' and CHUCVU = 'NhanVien'", con);
DataTable dtb = new DataTable();
dta.Fill(dtb);
if (dtb.Rows[0][0].ToString() != "NULL")
{
lblMA.Text = dtb.Rows[0][0].ToString();
con.Close();
try
{
con.Open();
SqlCommand cmd = new SqlCommand("SP_Login", con);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@MSNV", lblMA.Text));
cmd.Parameters.Add(new SqlParameter("@TAIKHOAN", txtUser.Text));
cmd.Parameters.Add(new SqlParameter("@MATKHAU", txtPass.Text));
if (cmd.ExecuteNonQuery() > 0)
{
MessageBox.Show("Dang Nhap thanh cong");
}
else
{
MessageBox.Show("Dang Nhap Khong thanh cong");
}
}
catch (Exception ex)
{
MessageBox.Show("Loi ket noi " + ex.Message, "Thong bao");// thong bao loi
}
this.Hide();
TrangChu tc = new TrangChu();
tc.Show();
}
else
{
MessageBox.Show("Tai khong hoac mat khau khong chinh xac!", "Thong Bao", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch (Exception ex)
{
}
}
con.Close();
lblCB.Text = "Tai khong hoac mat khau khong chinh xac!";
}
