C#读Csv文件、Execl并导入SqlServer数据库
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.OleDb;
namespace lyzApplication2009
{
class ReadExcel
{
private string FileName;
private string FilsPath;
///
/// 构造函数文件所在路径
///
/// 文件路径（Execl文件为完整的路径）
public ReadExcel(string Path)//构造
{
FileName = Path;
//FilsPath = Files;
}
///
/// 构造函数:文件所在路径
///
/// 文件路径（为Csv文件所在的文件夹路径）
/// 读Csv文件时的文件名
public ReadExcel(string Path, string Files)//构造
{
FileName = Path;
FilsPath = Files;
}
OleDbConnection OleCon = new OleDbConnection();
OleDbCommand OleCmd = new OleDbCommand();
OleDbDataAdapter OleDa = new OleDbDataAdapter();
#region 读取Execl文件返回DataSet
///
/// 读取Execl文件返回DataSet
///
///
public DataSet Execl()
{
DataSet Myds = new DataSet();
OleCon.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+FileName+";Extended Properties=Excel 8.0;";
OleCon.Open();
https://www.360docs.net/doc/e84771556.html,mandText="select * from [sheet1$]";
OleCmd.Connection = OleCon;
OleDa.SelectCommand = OleCmd;
try
{
OleDa.Fill(Myds, "Execl");
return Myds;
}
catch
{
return Myds;
}
finally
{
OleCon.Close();
OleCmd.Dispose();
OleDa.Dispose();
OleCon.Dispose();
}
}
#endregion
#region 读取Csv文件返回DataSet
///
/// 读取Csv文件返回DataSet
///
///
public DataSet Csv()
{
DataSet CsvData = new DataSet();
OleCon.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FileName + ";Extended Properties='Text;FMT=Delimited;HDR=YES;'";
OleCon.Open();
OleCmd.Connection = OleCon;
https://www.360docs.net/doc/e84771556.html,mandText = "select * From " + FilsPath ;
OleDa.SelectCommand=OleCmd;
try
{
OleDa.Fill(CsvData, "Csv");
return CsvData;
}
catch
{
return CsvData;
}
finally
{
OleCon.C
lose();
OleCmd.Dispose();
OleDa.Dispose();
OleCon.Dispose();
}
}
#endregion
}
}
//写入数据库源代码；此方法是源文件内容中的例必须和要导入的表的例数一至，且数据格式一至
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.Sql;
using System.Data.SqlClient;
namespace lyzApplication2009
{
///
/// 将数据写入数据库表中去
///
class SqlBulkData
{
SqlConnection SqlCon = new SqlConnection();
#region 将数据写数据库表中去（大容量）例与数据库表例一至
///
/// 将数据写数据库表中去（大容量）例与数据库表例一至
///
/// 数据源内容
/// 表名
///
public bool BulkData(DataSet _Ds,string _TableName)
{
SqlCon.ConnectionString = PublicClass.ConnectString;
SqlCon.Open();
SqlBulkCopy SqlBulk = new SqlBulkCopy(SqlCon);
SqlBulk.DestinationTableName = _TableName;
try
{
SqlBulk.WriteToServer(_Ds.Tables[0], DataRowState.Unchanged);
return true;
}
catch
{
return false;
}
finally
{
SqlCon.Close();
SqlCon.Dispose();
SqlBulk.Close();
}
}
#endregion
}
}