/// <summary> /// 更新一条数据 /// </summary> public bool Update(Learning.Model.TreeNote model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update TreeNote set "); strSql.Append("NoteName=@NoteName,"); strSql.Append("FatherNoteId=@FatherNoteId,"); strSql.Append("Url=@Url,"); strSql.Append("ImgUrl=@ImgUrl,"); strSql.Append("Status=@Status,"); strSql.Append("WebId=@WebId,"); strSql.Append("Code=@Code,"); strSql.Append("TOrder=@TOrder,"); strSql.Append("price=@price"); strSql.Append(" where TreeNodeId=@TreeNodeId"); SqlParameter[] parameters = { new SqlParameter("@NoteName", SqlDbType.VarChar, 50), new SqlParameter("@FatherNoteId", SqlDbType.Int, 4), new SqlParameter("@Url", SqlDbType.VarChar, 500), new SqlParameter("@ImgUrl", SqlDbType.VarChar, 50), new SqlParameter("@Status", SqlDbType.VarChar, 50), new SqlParameter("@WebId", SqlDbType.Int, 4), new SqlParameter("@Code", SqlDbType.NVarChar, 50), new SqlParameter("@TOrder", SqlDbType.Int, 4), new SqlParameter("@price", SqlDbType.Money, 8), new SqlParameter("@TreeNodeId", SqlDbType.Int, 4) }; parameters[0].Value = model.NoteName; parameters[1].Value = model.FatherNoteId; parameters[2].Value = model.Url; parameters[3].Value = model.ImgUrl; parameters[4].Value = model.Status; parameters[5].Value = model.WebId; parameters[6].Value = model.Code; parameters[7].Value = model.TOrder; parameters[8].Value = model.price; parameters[9].Value = model.TreeNodeId; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public Learning.Model.TreeNote DataRowToModel(DataRow row) { Learning.Model.TreeNote model = new Learning.Model.TreeNote(); if (row != null) { if (row["TreeNodeId"] != null && row["TreeNodeId"].ToString() != "") { model.TreeNodeId = int.Parse(row["TreeNodeId"].ToString()); } if (row["NoteName"] != null) { model.NoteName = row["NoteName"].ToString(); } if (row["FatherNoteId"] != null && row["FatherNoteId"].ToString() != "") { model.FatherNoteId = int.Parse(row["FatherNoteId"].ToString()); } if (row["Url"] != null) { model.Url = row["Url"].ToString(); } if (row["ImgUrl"] != null) { model.ImgUrl = row["ImgUrl"].ToString(); } if (row["Status"] != null) { model.Status = row["Status"].ToString(); } if (row["WebId"] != null && row["WebId"].ToString() != "") { model.WebId = int.Parse(row["WebId"].ToString()); } if (row["Code"] != null) { model.Code = row["Code"].ToString(); } if (row["TOrder"] != null && row["TOrder"].ToString() != "") { model.TOrder = int.Parse(row["TOrder"].ToString()); } if (row["price"] != null && row["price"].ToString() != "") { model.price = decimal.Parse(row["price"].ToString()); } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(Learning.Model.TreeNote model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into TreeNote("); strSql.Append("NoteName,FatherNoteId,Url,ImgUrl,Status,WebId,Code,TOrder,price)"); strSql.Append(" values ("); strSql.Append("@NoteName,@FatherNoteId,@Url,@ImgUrl,@Status,@WebId,@Code,@TOrder,@price)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@NoteName", SqlDbType.VarChar, 50), new SqlParameter("@FatherNoteId", SqlDbType.Int, 4), new SqlParameter("@Url", SqlDbType.VarChar, 500), new SqlParameter("@ImgUrl", SqlDbType.VarChar, 50), new SqlParameter("@Status", SqlDbType.VarChar, 50), new SqlParameter("@WebId", SqlDbType.Int, 4), new SqlParameter("@Code", SqlDbType.NVarChar, 50), new SqlParameter("@TOrder", SqlDbType.Int, 4), new SqlParameter("@price", SqlDbType.Money, 8) }; parameters[0].Value = model.NoteName; parameters[1].Value = model.FatherNoteId; parameters[2].Value = model.Url; parameters[3].Value = model.ImgUrl; parameters[4].Value = model.Status; parameters[5].Value = model.WebId; parameters[6].Value = model.Code; parameters[7].Value = model.TOrder; parameters[8].Value = model.price; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 得到一个对象实体 /// </summary> public Learning.Model.TreeNote GetModel(int TreeNodeId) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 TreeNodeId,NoteName,FatherNoteId,Url,ImgUrl,Status,WebId,Code,TOrder,price from TreeNote "); strSql.Append(" where TreeNodeId=@TreeNodeId"); SqlParameter[] parameters = { new SqlParameter("@TreeNodeId", SqlDbType.Int, 4) }; parameters[0].Value = TreeNodeId; Learning.Model.TreeNote model = new Learning.Model.TreeNote(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }