How i refresh gridview when i update row ?

private void btn_Edit_Click(object sender, EventArgs e)
        {
            con.Open();
                using (sd = new SqlCommand("update Auto_Part_Details set Value_Part= 
                @Value_Part, Auto_Parts_id = @Auto_Parts_id, Repair_id = @Repair_id, 
                New_Old_Part = @New_Old_Part ,Provider_id = @Provider_id , 
                Installation_id = @Installation_id , Notes = @Notes where Job_Card = 
                @Job_Card", con))
                {
                    sd.Parameters.AddWithValue("@Job_Card", txt_Job_card.Text);
                    sd.Parameters.AddWithValue("@Value_Part", txt_Value_Part.Text);
                    sd.Parameters.AddWithValue("@Auto_Parts_id", 
                    Convert.ToInt32(CB_Auto_parts.SelectedValue));
                    sd.Parameters.AddWithValue("@Repair_id", 
                    Convert.ToInt32(CB_Repair_type.SelectedValue));
                    sd.Parameters.AddWithValue("@New_Old_Part", Convert.ToBoolean(x));
                    sd.Parameters.AddWithValue("@Provider_id", 
                    Convert.ToInt32(CB_Providers_desc.SelectedValue));
                    sd.Parameters.AddWithValue("@Installation_id", 
                    Convert.ToInt32(CB_Hand_installation.SelectedValue));
                    sd.Parameters.AddWithValue("@Notes", txt_Notes.Text);
                }

                sd.ExecuteNonQuery();
                con.Close();
        }