YKT_DAL/DALHotKeyWord.cs

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using System;
using System.Collections.Generic;

using System.Text;
using System.Data;
using YKT.DBUtility;
using System.Data.SqlClient;
using YKT_Model;

namespace YKT_DAL
{
    public class DALHotKeyWord
    {
        #region  成员方法
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int ID)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from YKT_HotKeyWord");
            strSql.Append(" where 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(ModelHotKeyWord model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into YKT_HotKeyWord(");
            strSql.Append("HotKeyName,HotKeyUrl,IsShow,OrderID)");
            strSql.Append(" values (");
            strSql.Append("@HotKeyName,@HotKeyUrl,@IsShow,@OrderID)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
					new SqlParameter("@HotKeyName", SqlDbType.NVarChar,50),
					new SqlParameter("@HotKeyUrl", SqlDbType.NVarChar,300),
					new SqlParameter("@IsShow", SqlDbType.Int,4),
					new SqlParameter("@OrderID", SqlDbType.Int,4)};
            parameters[0].Value = model.HotKeyName;
            parameters[1].Value = model.HotKeyUrl;
            parameters[2].Value = model.IsShow;
            parameters[3].Value = model.OrderID;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            if (obj == null)
            {
                return 1;
            }
            else
            {
                return Convert.ToInt32(obj);
            }