DAL/Users.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;//Please add references
namespace Maticsoft.DAL
{
	/// <summary>
	/// 数据访问类:Users
	/// </summary>
	public partial class Users
	{
		public Users()
		{}
		#region  BasicMethod

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

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int ID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from Users");
			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(Maticsoft.Model.Users model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into Users(");
			strSql.Append("Phone,UserPSD,UserName,PicID,Age,Sex,Major,Remark,Address,QQ)");
			strSql.Append(" values (");
			strSql.Append("@Phone,@UserPSD,@UserName,@PicID,@Age,@Sex,@Major,@Remark,@Address,@QQ)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@Phone", SqlDbType.NVarChar,50),
					new SqlParameter("@UserPSD", SqlDbType.NVarChar,50),
					new SqlParameter("@UserName", SqlDbType.NVarChar,50),
					new SqlParameter("@PicID", SqlDbType.NVarChar,50),
					new SqlParameter("@Age", SqlDbType.NVarChar,50),
					new SqlParameter("@Sex", SqlDbType.NVarChar,50),
					new SqlParameter("@Major", SqlDbType.NVarChar,50),