12 2018 档案
sql server 多表查询
摘要:1、ISNULL 判断为空 2、getdate() 获取当前时间 3、 table1 inner join table2 on table1.t1 = table2.t1
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cad 创建自定义菜单
摘要:[assembly: CommandClass(typeof(clist.Main))] //[assembly:ExtensionApplication(typeof(clist.Main))] namespace clist { public class Main { public string qm; public void VAddToo...
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根据EXCEL模板生成EXCEL ,指定单元格值
摘要:using Autodesk.AutoCAD.ApplicationServices; using Autodesk.AutoCAD.DatabaseServices; using Autodesk.AutoCAD.EditorInput; using System; using System.Collections.Generic; using System.ComponentModel; u...
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