DAL/DiaryInfor.cs

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using System;
using System.Text;
using System.Data.SqlClient;
using System.Collections.Generic;
using System.Data;
using DBUtility;
namespace DAL
{
    //DiaryInfor
    public partial class DiaryInfor
    {

        public bool Exists(int ID)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from DiaryInfor");
            strSql.Append(" where ");
            strSql.Append(" ID = @ID  ");
            SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)
			};
            parameters[0].Value = ID;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }



        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(Model.DiaryInfor model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into DiaryInfor(");
            strSql.Append("ActName,ActDetail,ActUserID,ActUserTime");
            strSql.Append(") values (");
            strSql.Append("@ActName,@ActDetail,@ActUserID,@ActUserTime");
            strSql.Append(") ");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
			            new SqlParameter("@ActName", SqlDbType.VarChar,50) ,            
                        new SqlParameter("@ActDetail", SqlDbType.VarChar,500) ,            
                        new SqlParameter("@ActUserID", SqlDbType.Int,4) ,            
                        new SqlParameter("@ActUserTime", SqlDbType.DateTime)             
              
            };

            parameters[0].Value = model.ActName;
            parameters[1].Value = model.ActDetail;
            parameters[2].Value = model.ActUserID;
            parameters[3].Value = model.ActUserTime;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            if (obj == null)
            {
                return 0;
            }
            else
            {