private void button8_Click(object sender, EventArgs e) { conn.oleDbConnection1.Open(); OleDbCommand cmd = new OleDbCommand("insert into Customer (CID,Cname,City,PH1,ContactPerson,CreditLimit,CStatus,CGroup) values(@CID,@Cname,@CAddress,@City,@ContactPerson,@CreditLimit,@CStatus,@CGroup)", conn.oleDbConnection1); cmd.Parameters.AddWithValue("@CID", textBox1.Text); cmd.Parameters.AddWithValue("@Cname", textBox2.Text); cmd.Parameters.AddWithValue("@City", textBox3.Text); cmd.Parameters.AddWithValue("@PH1", textBox4.Text); cmd.Parameters.AddWithValue("@ContactPerson", textBox5.Text); cmd.Parameters.AddWithValue("@CreditLimit", textBox6.Text); cmd.Parameters.AddWithValue("@CStatus", textBox7.Text); cmd.Parameters.AddWithValue("@CGroup", comboBox1.Text); //CGroup cmd.ExecuteNonQuery(); conn.oleDbConnection1.Close(); MessageBox.Show(" Sent for Approval"); this.Hide(); Form11 f11 = new Form11(); f11.Show(); }