private void button1_Click(object sender, EventArgs e)
{
/*
* MainFormGiaoVien mainFormGiaoVien = new MainFormGiaoVien("GV001");
* mainFormGiaoVien.Show();
*/
mainFrmSinhVien mainFrmSinhVien = new mainFrmSinhVien("SV001");
mainFrmSinhVien.Show();
}
private void btnDangNhap_Click(object sender, EventArgs e)
{
myDB mydb = new myDB();
if (rdoSinhVien.Checked)
{
SqlCommand command = new SqlCommand("select * from sinhvien where tentaikhoansv = @tk and matkhausv = @mk", mydb.getConnection);
command.Parameters.Add("@tk", SqlDbType.VarChar).Value = TextBox_Username.Text;
command.Parameters.Add("@mk", SqlDbType.VarChar).Value = TextBox_Password.Text;
SqlDataAdapter adapter = new SqlDataAdapter(command);
DataTable dt = new DataTable();
adapter.Fill(dt);
if (dt.Rows.Count > 0)
{
mainFrmSinhVien mainSV = new mainFrmSinhVien(dt.Rows[0][0].ToString());
Visible = false;
mainSV.ShowDialog();
}
else
{
MessageBox.Show("Sai Tài khoản hoặc Mật khẩu", "Login Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else if (rdoGiaoVien.Checked)
{
SqlCommand command = new SqlCommand("select * from giaovien where tentaikhoangv = @tk and matkhaugv = @mk", mydb.getConnection);
command.Parameters.Add("@tk", SqlDbType.VarChar).Value = TextBox_Username.Text;
command.Parameters.Add("@mk", SqlDbType.VarChar).Value = TextBox_Password.Text;
SqlDataAdapter adapter = new SqlDataAdapter(command);
DataTable dt = new DataTable();
adapter.Fill(dt);
if (dt.Rows.Count > 0)
{
MainFormGiaoVien mainGV = new MainFormGiaoVien(dt.Rows[0][0].ToString());
Visible = false;
mainGV.ShowDialog();
}
else
{
MessageBox.Show("Sai Tài khoản hoặc Mật khẩu", "Login Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
SqlCommand command = new SqlCommand("select * from admin where tentaikhoanad = @tk and matkhauad = @mk", mydb.getConnection);
command.Parameters.Add("@tk", SqlDbType.VarChar).Value = TextBox_Username.Text;
command.Parameters.Add("@mk", SqlDbType.VarChar).Value = TextBox_Password.Text;
SqlDataAdapter adapter = new SqlDataAdapter(command);
DataTable dt = new DataTable();
adapter.Fill(dt);
if (dt.Rows.Count > 0)
{
mainFormAdmin mainAD = new mainFormAdmin(dt.Rows[0][0].ToString());
Visible = false;
mainAD.ShowDialog();
}
else
{
MessageBox.Show("Sai Tài khoản hoặc Mật khẩu", "Login Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
