how to get database data into the textbox

in the database table one column data is like 200gms 
now i want to get that data into the textboxes
200 in one textbox
gms in another textbox
please help me how to do it
i am getting values from the database using datareader
MySqlDataReader reader = cmdr.ExecuteReader();
while (reader.Read())
{
//ddlProductType.SelectedItem.Text = reader["product_type"].ToString();
txtProductName.Text = reader["product_name"].ToString();
txtBatchSize1.Text = reader["batch_size"].ToString();
}
...