protected void Button2_Click(object sender, EventArgs e) { Customer ad1 = new Customer(); int Cid = Convert.ToInt32(TextBox1.Text); string Cname = TextBox2.Text; string Pname = TextBox3.Text; int Price = Convert.ToInt32(TextBox4.Text); var c = ad1.Insertrow(Cid, Cname, Pname, Price); Button2. = c; Button2.DataBind(); }