返回信息流分割线之前:
因为项目需要,要把csv文件读入到dataset中处理后再导入数据库。我对C#一点不懂,在网上看到些代码如下:
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data;
using System.Configuration;
using System.Data.SqlClient;
using System.Data.Common;
namespace first
{
class Program
{
static void Main(string[] args)
{
string path = System.IO.Path.GetDirectoryName(System.Environment.GetCommandLineArgs()[0]);
System.Data.Odbc.OdbcConnection conn = new System.Data.Odbc.OdbcConnection("Driver={Microsoft Text Driver (*.txt; *.csv)};Dbq=" + path + ";Extensions=asc,csv,tab,txt;");
string file = System.IO.Path.GetFileName(System.Environment.GetCommandLineArgs()[0]);
int aIndex = file.IndexOf(".");
if (aIndex > -1)
{
file = file.Substring(0, aIndex) + "In.csv";
}
if (System.IO.File.Exists(file) == false)
{
MessageBox.Show("The CSV file is not exist!!! ");
return;
}
string SqlRead = "select * from " + file;
System.Data.Odbc.OdbcDataAdapter myAdapter = new System.Data.Odbc.OdbcDataAdapter(SqlRead, conn);
System.Data.DataSet myDataset = new DataSet();
myAdapter.Fill(myDataset);
for (int i = 0; i < myDataset.Tables[0].Rows.Count; i++)
{
string ryohanCD = myDataset.Tables[0].Rows[i][0].ToString();
string ryohanName = myDataset.Tables[0].Rows[i][1].ToString();
DbCommand comm = new SqlCommand("INSERT INTO en_RyohanMaster(RyohanCD, RyohanName) VALUES('" + ryohanCD + "', '" + ryohanName + "')");
SqlTransaction sqlt = conn.BeginTransaction();
comm.Transaction = sqlt;
try
{
comm.Connection = conn;
comm.ExecuteNonQuery();
sqlt.Commit();
}
catch (System.Exception ex)
{
sqlt.Rollback();
MessageBox.Show("Error happened then to the end!" + ex.Message);
return;
}
}
//SetGridView(aString);
}
}
}
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报错如下:错误 1 无法将类型“System.Data.Odbc.OdbcTransaction”隐式转换为“System.Data.SqlClient.SqlTransaction”
知道错误原因,但因为实在是没用过C#,不知道如何处理,希望各位大牛不吝指教。
谢谢
这是一条镜像帖。来源:北邮人论坛 / dot-net / #4038同步于 2013/1/20
该镜像源已超过 30 天没有更新,可能在源站已被删除。
dotNET机器人发帖
c#问题,求大牛解惑
mickymu
2013/1/20镜像同步2 回复
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