sp_question.cs

主要实现软件的基本架构

using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
namespace sp.SQLServerDAL
{
    /// <summary>
    /// 数据访问类sp_question。
    /// </summary>
    public class sp_question
    {
        public sp_question()
        { }
        #region  成员方法
        /// <summary>
        /// 得到最大ID
        /// </summary>
        public int GetMaxId()
        {
            return DbHelperSQL.GetMaxID("id", "sp_question");
        }
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from sp_question");
            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 void Add(sp.Model.sp_question model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into sp_question(");
            strSql.Append("v_title,v_language,v_css,multiple)");
            strSql.Append(" values (");
            strSql.Append("@v_title,@v_language,@v_css,@multiple)");
            SqlParameter[] parameters = {
					new SqlParameter("@v_title", SqlDbType.NVarChar),
					new SqlParameter("@v_language", SqlDbType.Int,4),
					new SqlParameter("@v_css", SqlDbType.VarChar,50),
					new SqlParameter("@multiple", SqlDbType.Bit,1)};
            parameters[0].Value = model.v_title;
            parameters[1].Value = model.v_language;
            parameters[2].Value = model.v_css;
            parameters[3].Value = model.multiple;

            DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public void Update(sp.Model.sp_question model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update sp_question set ");
            strSql.Append("v_title=@v_title,");
            strSql.Append("v_language=@v_language,");
            strSql.Append("v_css=@v_css,");
            strSql.Append("multiple=@multiple");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@v_title", SqlDbType.NVarChar),
					new SqlParameter("@v_language", SqlDbType.Int,4),
					new SqlParameter("@v_css", SqlDbType.VarChar,50),
					new SqlParameter("@multiple", SqlDbType.Bit,1)};
            parameters[0].Value = model.v_title;
            parameters[1].Value = model.v_language;
            parameters[2].Value = model.v_css;
            parameters[3].Value = model.multiple;

            DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public void Delete(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete sp_question ");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
				};
            parameters[0].Value = id;
            DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
        }


        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public sp.Model.sp_question GetModel(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select * from sp_question ");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = id;
            sp.Model.sp_question model = new sp.Model.sp_question();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
            model.id = id;
            if (ds.Tables[0].Rows.Count > 0)
            {
                model.v_title = ds.Tables[0].Rows[0]["v_title"].ToString();
                if (ds.Tables[0].Rows[0]["v_language"].ToString() != "")
                {
                    model.v_language = int.Parse(ds.Tables[0].Rows[0]["v_language"].ToString());
                }
                model.v_css = ds.Tables[0].Rows[0]["v_css"].ToString();
                if (ds.Tables[0].Rows[0]["multiple"].ToString() != "")
                {
                    if ((ds.Tables[0].Rows[0]["multiple"].ToString() == "1") || (ds.Tables[0].Rows[0]["multiple"].ToString().ToLower() == "true"))
                    {
                        model.multiple = true;
                    }
                    else
                    {
                        model.multiple = false;
                    }
                }

                return model;
            }
            else
            {
                return null;
            }
        }
        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select [id],[v_title],[v_language],[v_css],[multiple] ");
            strSql.Append(" FROM sp_question ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return DbHelperSQL.Query(strSql.ToString());
        }

        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetList(int PageSize, int PageIndex, string strWhere)
        {
            SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
            parameters[0].Value = "sp_question";
            parameters[1].Value = "id";
            parameters[2].Value = PageSize;
            parameters[3].Value = PageIndex;
            parameters[4].Value = 0;
            parameters[5].Value = 0;
            parameters[6].Value = strWhere;
            return DbHelperSQL.RunProcedure("UP_GetRecordByPage", parameters, "ds");
        }

        #endregion  成员方法
    }
}