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protected void Button2_Click(object sender, EventArgs e)

{

string constring = "Data source=DESKTOP-5CP9NBF\\SQLEXPRESS; Initial Catalog= formation_a_distance ; Integrated Security=True";

SqlConnection sqlcon = new SqlConnection(constring);

FileUpload1.SaveAs(Server.MapPath(" ~/vedio/") + Path.GetFileName(FileUpload1.FileName));

string link = "vedio/" + Path.GetFileName(FileUpload1.FileName);

link = "";

// link = "";

// string req = "Insert into profeseur(Nom_prenom ,filiere,Niveau,Video) values('" + TextBox1.Text + "','" + TextBox2.Text + "','" + TextBox3.Text + "','" + link + "')";

// SqlCommand cmd = new SqlCommand(req, sqlcon);

//sqlcon.Open();

//cmd.ExecuteNonQuery();

//sqlcon.Close();

ds = new DataSet();

req = "select * from profeseur";

da = new SqlDataAdapter(req, sqlcon);

da.Fill(ds, "profeseur");

DataRow l = ds.Tables["profeseur"].NewRow();

l[1] = TextBox1.Text;

l[2] = TextBox2.Text;

l[3] = TextBox3.Text;

l[4] = link;

ds.Tables["profeseur"].Rows.Add(l);

SqlCommandBuilder b1 = new SqlCommandBuilder(da);

da.Update(ds, "profeseur");