/// <summary>
 /// 得到一个对象实体
 /// </summary>
 public AndroidMvcServer.Model.Tb_Group DataRowToModel(DataRow row)
 {
     AndroidMvcServer.Model.Tb_Group model = new AndroidMvcServer.Model.Tb_Group();
     if (row != null)
     {
         if (row["groupId"] != null)
         {
             model.groupId = row["groupId"].ToString();
         }
         if (row["groupName"] != null)
         {
             model.groupName = row["groupName"].ToString();
         }
         if (row["groupDesc"] != null)
         {
             model.groupDesc = row["groupDesc"].ToString();
         }
         if (row["groupOwner"] != null)
         {
             model.groupOwner = row["groupOwner"].ToString();
         }
         if (row["groupIcon"] != null && row["groupIcon"].ToString() != "")
         {
             model.groupIcon = int.Parse(row["groupIcon"].ToString());
         }
         if (row["members"] != null)
         {
             model.members = row["members"].ToString();
         }
         if (row["allowInvite"] != null && row["allowInvite"].ToString() != "")
         {
             model.allowInvite = int.Parse(row["allowInvite"].ToString());
         }
         if (row["membersSize"] != null && row["membersSize"].ToString() != "")
         {
             model.membersSize = int.Parse(row["membersSize"].ToString());
         }
         if (row["maxUsers"] != null && row["maxUsers"].ToString() != "")
         {
             model.maxUsers = int.Parse(row["maxUsers"].ToString());
         }
         if (row["isPublic"] != null && row["isPublic"].ToString() != "")
         {
             model.isPublic = int.Parse(row["isPublic"].ToString());
         }
     }
     return model;
 }
        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public AndroidMvcServer.Model.Tb_Group GetModel(string groupId)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select groupId,groupName,groupDesc,groupOwner,groupIcon,members,allowInvite,membersSize,maxUsers,isPublic from tb_group ");
            strSql.Append(" where groupId=@groupId ");
            MySqlParameter[] parameters = {
                    new MySqlParameter("@groupId", MySqlDbType.VarChar,50)			};
            parameters[0].Value = groupId;

            AndroidMvcServer.Model.Tb_Group model = new AndroidMvcServer.Model.Tb_Group();
            DataSet ds = DbHelperMySQL.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                return DataRowToModel(ds.Tables[0].Rows[0]);
            }
            else
            {
                return null;
            }
        }