dservice.cs

是一个简易的聊天系统

using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Utility;//请先添加引用
namespace WebHelper.DAL
{
    /// <summary>
    /// 数据访问类CustomService 。
    /// </summary>
    public class CustomService
    {
        public CustomService()
        { }
        #region  成员方法
        /// <summary>
        ///  增加一条数据
        /// </summary>
        public int Add(WebHelper.Model.CustomService model)
        {
            int rowsAffected;
            SqlParameter[] parameters = {
					new SqlParameter("@CustomServiceID", SqlDbType.Int,4),
					new SqlParameter("@Name", SqlDbType.VarChar,20),
					new SqlParameter("@Password", SqlDbType.VarChar,64),
					new SqlParameter("@TrueName", SqlDbType.VarChar,20),
					new SqlParameter("@Title", SqlDbType.VarChar,20),
					new SqlParameter("@ClassID", SqlDbType.Int,4), 
					new SqlParameter("@LastActiveTime", SqlDbType.DateTime)};
            parameters[0].Direction = ParameterDirection.Output;
            parameters[1].Value = model.Name;
            parameters[2].Value = model.Password;
            parameters[3].Value = model.TrueName;
            parameters[4].Value = model.Title;
            parameters[5].Value = model.ClassID;
            parameters[6].Value = model.LastActiveTime;

            DbHelperSQL.RunProcedure("CustomService_ADD", parameters, out rowsAffected);
            return (int)parameters[0].Value;
        }

        /// <summary>
        ///  更新一条数据
        /// </summary>
        public void Update(WebHelper.Model.CustomService model)
        {
            int rowsAffected;
            SqlParameter[] parameters = {
					new SqlParameter("@CustomServiceID", SqlDbType.Int,4),
					new SqlParameter("@Name", SqlDbType.VarChar,20),
					new SqlParameter("@Password", SqlDbType.VarChar,64),
					new SqlParameter("@TrueName", SqlDbType.VarChar,20),
					new SqlParameter("@Title", SqlDbType.VarChar,20),
					new SqlParameter("@ClassID", SqlDbType.Int,4),
					new SqlParameter("@LastActiveTime", SqlDbType.DateTime)};
            parameters[0].Value = model.CustomServiceID;
            parameters[1].Value = model.Name;
            parameters[2].Value = model.Password;
            parameters[3].Value = model.TrueName;
            parameters[4].Value = model.Title;
            parameters[5].Value = model.ClassID;
            parameters[6].Value = model.LastActiveTime;

            DbHelperSQL.RunProcedure("CustomService_Update", parameters, out rowsAffected);
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public WebHelper.Model.CustomService GetModel(int CustomServiceID)
        {
            SqlParameter[] parameters = {
					new SqlParameter("@CustomServiceID", SqlDbType.Int,4)
				};
            parameters[0].Value = CustomServiceID;
            WebHelper.Model.CustomService model = new WebHelper.Model.CustomService();

            DataSet ds = DbHelperSQL.RunProcedure("CustomService_GetModel", parameters, "ds");
            model.CustomServiceID = CustomServiceID;
            if (ds.Tables[0].Rows.Count > 0)
            {
                model.Name = ds.Tables[0].Rows[0]["Name"].ToString();
                model.Password = ds.Tables[0].Rows[0]["Password"].ToString();
                model.TrueName = ds.Tables[0].Rows[0]["TrueName"].ToString();
                model.Title = ds.Tables[0].Rows[0]["Title"].ToString();
                if (ds.Tables[0].Rows[0]["ClassID"].ToString() != "")
                {
                    model.ClassID = int.Parse(ds.Tables[0].Rows[0]["ClassID"].ToString());
                }
                if (ds.Tables[0].Rows[0]["LastActiveTime"].ToString() != "")
                {

                    model.LastActiveTime = DateTime.Parse(ds.Tables[0].Rows[0]["LastActiveTime"].ToString());
                }
                return model;
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// 获取数据列表
        /// </summary>
        public SqlDataReader GetList()
        {
            return DbHelperSQL.RunProcedure("CustomService_GetList", null);
        }

        

        #endregion  成员方法
    }
}