1.var list = from category in context.category join commodity in context.commodity on category.id equals commodity. categoryID where category.id>12 orderby category.id descending select new model{ a=category.name, b=commodity.name } 2.var list=conte
消息 245,级别 16,状态 1,第 1 行在将 varchar 值 '2,7' 转换成数据类型 int 时失败. 原sql select UserName from s_User where Id in ( select UndertakerList from ZW_HandlerSend where HsID=7 ) 改成 select UserName from s_User where charindex(rtrim(Id), (select top 1 Undertaker
原文:C#将XML转换成JSON转换XML using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Xml; using Newtonsoft.Json; namespace JSonConverter { class Program { static void Main(string[] args) { string xml = "<Test>
原文引用:https://www.codeproject.com/Articles/9258/A-Fast-CSV-Reader using LumenWorks.Framework.IO.Csv; using System; using System.Collections.Generic; using System.Data; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks
原文引用:https://www.codeproject.com/Articles/9258/A-Fast-CSV-Reader using LumenWorks.Framework.IO.Csv; using System; using System.Collections.Generic; using System.Data; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks