using SQLData;
using System.Data;
using System.Text;

namespace BizCom
{
    public class CategoryService
    {
        public static void SaveCategory(string table, string name, int id)
        {
            StringBuilder sql = new StringBuilder();
            if (id > 0) sql.AppendFormat("update {0} set name='{1}' where id={2} ;", table, name, id);
            else
            {
                sql.AppendFormat("insert into {0}(name) values('{1}') ;", table, name);
            }
            DbHelper.DbConn.ExecuteNonQuery(sql.ToString());
        }

        public static void DelCategory(string table, int id)
        {
            string sql = string.Format("delete from {0} where id={1} ;", table, id);
            DbHelper.DbConn.ExecuteNonQuery(sql);
        }

        public static DataTable GetCategory(string table, string where)
        {
            string sql = "";
            if (where == "") sql = string.Format("select * from {0}  ;", table);
            else sql = string.Format("select * from {0} where {1} ;", table, where);
            return DbHelper.DbConn.ExecuteDataset(sql).Tables[0];
        }

    }
}