/// <summary> /// 增加一条数据 /// </summary> public int Add(BCW.Model.Visitor model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into tb_Visitor("); strSql.Append("UsID,UsName,VisitId,VisitName,AddTime)"); strSql.Append(" values ("); strSql.Append("@UsID,@UsName,@VisitId,@VisitName,@AddTime)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@UsID", SqlDbType.Int, 4), new SqlParameter("@UsName", SqlDbType.NVarChar, 50), new SqlParameter("@VisitId", SqlDbType.Int, 4), new SqlParameter("@VisitName", SqlDbType.NVarChar, 50), new SqlParameter("@AddTime", SqlDbType.DateTime) }; parameters[0].Value = model.UsID; parameters[1].Value = model.UsName; parameters[2].Value = model.VisitId; parameters[3].Value = model.VisitName; parameters[4].Value = model.AddTime; object obj = SqlHelper.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(1); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 得到一个对象实体 /// </summary> public BCW.Model.Visitor GetVisitor(int ID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 ID,UsID,UsName,VisitId,VisitName,AddTime from tb_Visitor "); strSql.Append(" where ID=@ID "); SqlParameter[] parameters = { new SqlParameter("@ID", SqlDbType.Int, 4) }; parameters[0].Value = ID; BCW.Model.Visitor model = new BCW.Model.Visitor(); using (SqlDataReader reader = SqlHelper.ExecuteReader(strSql.ToString(), parameters)) { if (reader.HasRows) { reader.Read(); model.ID = reader.GetInt32(0); model.UsID = reader.GetInt32(1); model.UsName = reader.GetString(2); model.VisitId = reader.GetInt32(3); model.VisitName = reader.GetString(4); model.AddTime = reader.GetDateTime(5); return(model); } else { return(null); } } }
/// <summary> /// 取得每页记录 /// </summary> /// <param name="p_pageIndex">当前页</param> /// <param name="p_pageSize">分页大小</param> /// <param name="p_recordCount">返回总记录数</param> /// <param name="strWhere">查询条件</param> /// <returns>IList Visitor</returns> public IList <BCW.Model.Visitor> GetVisitors(int p_pageIndex, int p_pageSize, string strWhere, out int p_recordCount) { IList <BCW.Model.Visitor> listVisitors = new List <BCW.Model.Visitor>(); string sTable = "tb_Visitor"; string sPkey = "id"; string sField = "ID,UsID,UsName,VisitId,VisitName,AddTime"; string sCondition = strWhere; string sOrder = "AddTime Desc"; int iSCounts = 0; using (SqlDataReader reader = SqlHelper.RunProcedureMe(sTable, sPkey, sField, p_pageIndex, p_pageSize, sCondition, sOrder, iSCounts, out p_recordCount)) { //计算总页数 if (p_recordCount > 0) { int pageCount = BasePage.CalcPageCount(p_recordCount, p_pageSize, ref p_pageIndex); } else { return(listVisitors); } while (reader.Read()) { BCW.Model.Visitor objVisitor = new BCW.Model.Visitor(); objVisitor.ID = reader.GetInt32(0); objVisitor.UsID = reader.GetInt32(1); objVisitor.UsName = reader.GetString(2); objVisitor.VisitId = reader.GetInt32(3); objVisitor.VisitName = reader.GetString(4); objVisitor.AddTime = reader.GetDateTime(5); listVisitors.Add(objVisitor); } } return(listVisitors); }
/// <summary> /// 更新一条数据 /// </summary> public void Update(BCW.Model.Visitor model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update tb_Visitor set "); strSql.Append("UsID=@UsID,"); strSql.Append("UsName=@UsName,"); strSql.Append("VisitId=@VisitId,"); strSql.Append("VisitName=@VisitName,"); strSql.Append("AddTime=@AddTime"); strSql.Append(" where UsID=@UsID"); strSql.Append(" and VisitId=@VisitId"); SqlParameter[] parameters = { new SqlParameter("@UsID", SqlDbType.Int, 4), new SqlParameter("@UsName", SqlDbType.NVarChar, 50), new SqlParameter("@VisitId", SqlDbType.Int, 4), new SqlParameter("@VisitName", SqlDbType.NVarChar, 50), new SqlParameter("@AddTime", SqlDbType.DateTime) }; parameters[0].Value = model.UsID; parameters[1].Value = model.UsName; parameters[2].Value = model.VisitId; parameters[3].Value = model.VisitName; parameters[4].Value = model.AddTime; SqlHelper.ExecuteSql(strSql.ToString(), parameters); }