private void store(OleDbConnection cn, string material, ConcreteDesignProps props)
{
string isLW = (props.IsLightweightConcrete) ? "Yes" : "No";
string sql = "INSERT INTO [Material Properties 04 - Design Concrete] " +
"(Material, Fc, RebarFy, RebarFys, LtWtConc, LtWtFact) VALUES " +
"(\"" + material + "\", " + props.Fc + ", " + props.RebarFy + ", " + props.RebarFys + ", \"" + isLW + "\", " + props.LightweightFactor + ");";
new OleDbCommand(sql, cn).ExecuteNonQuery();
}
