DAL/SignIn.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using DBUtility;
namespace DAL
{
    /// <summary>
    /// 数据访问类:SignIn
    /// </summary>
    public partial class SignIn
    {
        public SignIn()
        { }
        #region  Method
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int Id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from SignIn");
            strSql.Append(" where MemberId=@Id");
            SqlParameter[] parameters = {
					new SqlParameter("@Id", SqlDbType.Int,4)
			};
            parameters[0].Value = Id;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }
		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("Id", "SignIn"); 
		}

        /// <summary>
        /// 得到最大ID
        /// </summary>
        public int GetMaxId(int Where)
        {
            return DbHelperSQL.GetMaxID("Id",Where, "SignIn");
        }

        /// <summary>
        /// 返回数据总数(分页用到)
        /// </summary>
        public int GetCount(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(*) as H ");
            strSql.Append(" from SignIn ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return Convert.ToInt32(DbHelperSQL.GetSingle(strSql.ToString()));