DAL/Links.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Data.SqlClient;using System.Data;
using System.Text;
using System.Data.OleDb;
using DBUtility;//请先添加引用
namespace DAL
{
	/// <summary>
	/// 数据访问类Links。
	/// </summary>
	public class Links
	{
		public Links()
		{}
		#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 Links");
			strSql.Append(" where Id=@Id ");
			 SqlParameter[] parameters = {
					new SqlParameter("@Id", SqlDbType.Int,4)};
			parameters[0].Value = Id;

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

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

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public void Add(Model.Links model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into Links(");
			strSql.Append("Title,UserName,UserTel,UserMail,WebUrl,ImgUrl,IsImage,IsRed,IsLock,SortId,AddTime)");
			strSql.Append(" values (");
            strSql.Append("@Title,@UserName,@UserTel,@UserMail,@WebUrl,@ImgUrl,@IsImage,@IsRed,@IsLock,@SortId,@AddTime)");
			 SqlParameter[] parameters = {
					new SqlParameter("@Title", SqlDbType.VarChar,100),
					new SqlParameter("@UserName", SqlDbType.VarChar,20),
					new SqlParameter("@UserTel", SqlDbType.VarChar,30),
					new SqlParameter("@UserMail", SqlDbType.VarChar,30),