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C# 3层架构操作XML文件 增删改查功能齐全 适合初学者学习,拷贝功能用

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代码片段和文件信息

using Operationxml.DAL;
using Operationxml.Model;
using System.Collections.Generic;
using System.Data;
namespace Operationxml.BLL
{
    public class BookBll
    {
        BookModel _person= new BookModel();
        BookDal _a = new BookDal();

        public DataSet Personload()
        {
            DataSet ds = _a.LoadBookInfo();
            return ds;

        }          //加载

        public void Creat(BookModel  n)
        {
            _a.CreatBookInfo(n);
        }   //创建

        public void Add(BookModel m)
        {

            _a.AddBookInfo(m);

        }      //添加

        public void Delete(string  _bookmodel)
        {
           
            _a.DeleteBookInfo(_bookmodel);
        }   //删除

        public void Update(BookModel d)
        {

            _a.UpdateBookInfo(d);

        }           //更改

        public List Query( int intFalgstring c)
        {
            List list = new List();
          list = _a.QueryBookInfo(intFalgc);
            return list;
        }   //查询
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    ..A..H.    120320  2019-03-15 13:47  Operationxml.UI\.vs\Operationxml.UI\v14\.suo

    ..A..H.    137728  2019-03-15 13:45  Operationxml.UI\.vs\Operationxml.UI\v15\.suo

     文件          0  2019-03-15 13:44  Operationxml.UI\.vs\Operationxml.UI\v15\Server\sqlite3\db.lock

     文件       4096  2019-03-15 13:44  Operationxml.UI\.vs\Operationxml.UI\v15\Server\sqlite3\storage.ide

     文件      32768  2019-03-15 13:44  Operationxml.UI\.vs\Operationxml.UI\v15\Server\sqlite3\storage.ide-shm

     文件     844632  2019-03-15 13:45  Operationxml.UI\.vs\Operationxml.UI\v15\Server\sqlite3\storage.ide-wal

     文件     876544  2017-04-13 18:10  Operationxml.UI\.vs\slnx.sqlite

     文件        154  2017-04-13 18:10  Operationxml.UI\.vs\VSWorkspaceState.json

     文件       5120  2019-03-14 10:59  Operationxml.UI\Operationxml.BLL\bin\Debug\Operationxml.BLL.dll

     文件      13824  2019-03-14 10:59  Operationxml.UI\Operationxml.BLL\bin\Debug\Operationxml.BLL.pdb

     文件       8192  2019-03-14 10:59  Operationxml.UI\Operationxml.BLL\bin\Debug\Operationxml.DAL.dll

     文件      17920  2019-03-14 10:59  Operationxml.UI\Operationxml.BLL\bin\Debug\Operationxml.DAL.pdb

     文件       5120  2019-03-14 10:59  Operationxml.UI\Operationxml.BLL\bin\Debug\Operationxml.Model.dll

     文件      13824  2019-03-14 10:59  Operationxml.UI\Operationxml.BLL\bin\Debug\Operationxml.Model.pdb

     文件       1129  2017-04-10 16:28  Operationxml.UI\Operationxml.BLL\BookBll.cs

     文件         42  2017-04-11 18:07  Operationxml.UI\Operationxml.BLL\obj\Debug\CoreCompileInputs.cache

     文件       7254  2019-03-15 13:42  Operationxml.UI\Operationxml.BLL\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件         42  2019-03-15 13:44  Operationxml.UI\Operationxml.BLL\obj\Debug\Operationxml.BLL.csproj.CoreCompileInputs.cache

     文件       3207  2019-03-14 10:59  Operationxml.UI\Operationxml.BLL\obj\Debug\Operationxml.BLL.csproj.FileListAbsolute.txt

     文件      26059  2019-03-15 13:44  Operationxml.UI\Operationxml.BLL\obj\Debug\Operationxml.BLL.csprojAssemblyReference.cache

     文件      23057  2019-03-14 10:59  Operationxml.UI\Operationxml.BLL\obj\Debug\Operationxml.BLL.csprojResolveAssemblyReference.cache

     文件       5120  2019-03-14 10:59  Operationxml.UI\Operationxml.BLL\obj\Debug\Operationxml.BLL.dll

     文件      13824  2019-03-14 10:59  Operationxml.UI\Operationxml.BLL\obj\Debug\Operationxml.BLL.pdb

     文件          0  2017-04-05 15:33  Operationxml.UI\Operationxml.BLL\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

     文件          0  2017-04-05 15:33  Operationxml.UI\Operationxml.BLL\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

     文件          0  2017-04-05 15:33  Operationxml.UI\Operationxml.BLL\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

     文件         42  2017-04-12 10:40  Operationxml.UI\Operationxml.BLL\obj\Release\CoreCompileInputs.cache

     文件       2916  2017-04-10 15:14  Operationxml.UI\Operationxml.BLL\Operationxml.BLL.csproj

     文件       1340  2017-04-05 15:33  Operationxml.UI\Operationxml.BLL\Properties\AssemblyInfo.cs

     文件       8192  2019-03-14 10:59  Operationxml.UI\Operationxml.DAL\bin\Debug\Operationxml.DAL.dll

............此处省略139个文件信息

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