XX管理系统源码（附数据库）

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using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Configuration;
using Tool;

namespace DAL
{
    public class SqlHelper
    {         
        public SqlConnection con;
        public static string  connectionString = ConfigurationManager.ConnectionStrings[“ConnectionStringName“].ConnectionString;
        public string ConnectionString
        {
            get
            {
                return connectionString;
            }
            set
            {
                connectionString = value;
            }
        }
        public int excSql（string sqlout string mess）
        {
            int a = 0;
            mess = “OK“;

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

     文件       5632  2019-12-17 14:31  StudentMangemt\DAL\bin\Debug\DAL.dll

     文件      13824  2019-12-17 14:31  StudentMangemt\DAL\bin\Debug\DAL.pdb

     文件      17408  2019-12-17 14:31  StudentMangemt\DAL\bin\Debug\Tool.dll

     文件      38400  2019-12-17 14:31  StudentMangemt\DAL\bin\Debug\Tool.pdb

     文件       2695  2019-12-06 18:31  StudentMangemt\DAL\DAL.csproj

     文件        228  2019-12-06 13:08  StudentMangemt\DAL\DAL.csproj.user

     文件        588  2019-12-17 14:19  StudentMangemt\DAL\obj\Debug\DAL.csproj.FileListAbsolute.txt

     文件       8441  2019-12-17 14:31  StudentMangemt\DAL\obj\Debug\DAL.csprojResolveAssemblyReference.cache

     文件       5632  2019-12-17 14:31  StudentMangemt\DAL\obj\Debug\DAL.dll

     文件      13824  2019-12-17 14:31  StudentMangemt\DAL\obj\Debug\DAL.pdb

     文件       6930  2019-12-10 08:54  StudentMangemt\DAL\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件          0  2019-12-06 11:49  StudentMangemt\DAL\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

     文件          0  2019-12-06 11:49  StudentMangemt\DAL\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

     文件          0  2019-12-06 11:49  StudentMangemt\DAL\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

     文件       1314  2019-12-06 11:49  StudentMangemt\DAL\Properties\AssemblyInfo.cs

     文件       2212  2019-12-06 18:55  StudentMangemt\DAL\SqlHelper.cs

     文件       4608  2019-12-17 14:19  StudentMangemt\Modle\bin\Debug\Modle.dll

     文件      11776  2019-12-17 14:19  StudentMangemt\Modle\bin\Debug\Modle.pdb

     文件       2448  2019-12-06 14:06  StudentMangemt\Modle\Modle.csproj

     文件       6734  2019-12-10 08:54  StudentMangemt\Modle\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件        448  2019-12-17 14:19  StudentMangemt\Modle\obj\Debug\Modle.csproj.FileListAbsolute.txt

     文件       1922  2019-12-17 14:19  StudentMangemt\Modle\obj\Debug\Modle.csprojResolveAssemblyReference.cache

     文件       4608  2019-12-17 14:19  StudentMangemt\Modle\obj\Debug\Modle.dll

     文件      11776  2019-12-17 14:19  StudentMangemt\Modle\obj\Debug\Modle.pdb

     文件          0  2019-12-06 13:56  StudentMangemt\Modle\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

     文件          0  2019-12-06 13:56  StudentMangemt\Modle\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

     文件          0  2019-12-06 13:56  StudentMangemt\Modle\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

     文件       1318  2019-12-06 13:56  StudentMangemt\Modle\Properties\AssemblyInfo.cs

     文件        280  2019-12-06 13:57  StudentMangemt\Modle\UserType.cs

     文件        835  2019-12-17 14:59  StudentMangemt\StudentMangemt\App.config

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