将CSV文件复制到MS Access Table [英] Copy CSV file to MS Access Table

问题描述

使用C＃我正在尝试创建一个从特定文件夹位置读取CSV文件的控制台应用程序，并将这些记录导入MS Access Table。一旦成功导入文件中的记录，我将删除.csv文件。

using C# I am trying to create a console app that reads a CSV file from a specific folder location and import these records into a MS Access Table. Once the records in the file have been imported successfully I will then delete the .csv file.

到目前为止，这就是我所拥有的：

So far this is what I have:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Configuration;
using System.Data;
using System.Data.OleDb;
using System.Globalization;

namespace QuantumTester
{
class Program
{
    static void Main(string[] args)
    {        
       CsvFileToDatatable(ConfigurationManager.AppSettings["CSVFile"], true);
    }

    public static DataTable CsvFileToDatatable(string path, bool IsFirstRowHeader)//here Path is root of file and IsFirstRowHeader is header is there or not
    {
        string header = "Yes"; //"No" if 1st row is not header cols
        string sql = string.Empty;
        DataTable dataTable = null;
        string pathOnly = string.Empty;
        string fileName = string.Empty;

        try
        {

            pathOnly = Path.GetDirectoryName(ConfigurationManager.AppSettings["QuantumOutputFilesLocation"]);
            fileName = Path.GetFileName(ConfigurationManager.AppSettings["CSVFilename"]);

            sql = @"SELECT * FROM [" + fileName + "]";

            if (IsFirstRowHeader)
            {
                header = "Yes";
            }

            using (OleDbConnection connection = new OleDbConnection(
                    @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + pathOnly +
                    ";Extended Properties=\"Text;HDR=" + header + "\""))
            {
                using (OleDbCommand command = new OleDbCommand(sql, connection))
                {
                    using (OleDbDataAdapter adapter = new OleDbDataAdapter(command))
                    {
                        dataTable = new DataTable();
                        dataTable.Locale = CultureInfo.CurrentCulture;
                        adapter.Fill(dataTable);
                    }
                }
            }
        }
        finally
        {

        }
        return dataTable;
    }
}
}

我可以继续将数据表保存到我在Access DB中创建的表中？我该怎么做呢？任何帮助都会很棒

Can I just go ahead an save the datatable to a table I have created in the Access DB? How would I go about doing this? Any help would be great

推荐答案

您可以在从CSV文件创建新表的Access连接中再次运行查询或追加现有表格。

You can run a query agains an Access connection that creates a new table from a CSV file or appends to an exisiting table.

创建表格的SQL类似于：

The SQL to create a table would be similar to:

SELECT * INTO NewAccess 
FROM [Text;FMT=Delimited;HDR=NO;DATABASE=Z:\Docs].[Table1.csv]

附加到表格：

INSERT INTO NewAccess 
SELECT * FROM [Text;FMT=Delimited;HDR=NO;DATABASE=Z:\Docs].[Table1.csv]

这篇关于将CSV文件复制到MS Access Table的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！