DAL/SearchKeyWordService.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;

namespace DAL
{
	/// <summary>
	/// 数据访问类:SearchKeyWordService
	/// </summary>
	public partial class SearchKeyWordService
	{
		public SearchKeyWordService()
		{}
		#region  BasicMethod
        /// <summary>
        /// 删除一条数据
        /// </summary>
        public static int DeleteByUser(int addUser)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from SearchKeyWord ");
            strSql.Append(" where addUser=@addUser");
            SqlParameter[] parameters = {
					new SqlParameter("@addUser", SqlDbType.Int,4)
			};
            parameters[0].Value = addUser;

            return DBHelperSQL.ExecuteSql(strSql.ToString(), parameters);
        }
		/// <summary>
		/// 是否存在该记录
		/// </summary>
        public static bool Exists(string seaTitle,int userId)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from SearchKeyWord");
            strSql.Append(" where seaTitle=@seaTitle and addUser = " + userId);
			SqlParameter[] parameters = {
					new SqlParameter("@seaTitle", SqlDbType.VarChar,334)
			};
            parameters[0].Value = seaTitle;

			return DBHelperSQL.Exists(strSql.ToString(),parameters);
		}
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public static bool Exists(string seaTitle)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from SearchKeyWord");
            strSql.Append(" where seaTitle=@seaTitle" );
            SqlParameter[] parameters = {
					new SqlParameter("@seaTitle", SqlDbType.VarChar,334)
			};
            parameters[0].Value = seaTitle;

            return DBHelperSQL.Exists(strSql.ToString(), parameters);