how to refresh datagridview in c# code example

Example 1: how to refresh the data table in C# window form datagridview

con.Open();
MySqlDataAdapter MyDA = new MySqlDataAdapter();
string sqlSelectAll = "SELECT * from dailyprice";
MyDA.SelectCommand = new MySqlCommand(sqlSelectAll, con);

DataTable table = new DataTable();
MyDA.Fill(table);

BindingSource bSource = new BindingSource();
bSource.DataSource = table;


dataGridView1.DataSource = bSource;
con.Close();

Example 2: how to refresh the data table in C# window form datagridview

cmd = new OleDbCommand("insert into FWINFOS (ID,Name,Gender,DateOfBirth,Race,WorkingPlace,PassportNO,DateOfExpire,[Position],Photo) values('" + textBox5.Text + "','" + textBox1.Text + "','" + textBox2.Text + "','" + dateTimePicker1.Value + "','" + textBox3.Text + "','" + textBox4.Text + "','" + textBox6.Text + "','" + dateTimePicker2.Value + "',@Position,@Photo)", con);


        cmd.Parameters.AddWithValue("@Position", comboBox1.SelectedText.ToString());
        conv_photo();

        con.Open();
        int n = cmd.ExecuteNonQuery();
        //cmd.ExecuteNonQuery();
        con.Close();
        if (n > 0)
        {
            MessageBox.Show("Inserted");
            loaddata();

            rno++;
        }
        else
            MessageBox.Show("No Insert");



    }