C#导入文本文件的例子

string Path;
string ReadLine;
string[] array;
Path=@ImportPath.Text.Trim();
//Path=@"E:INOUT.TXT";
if (File.Exists(Path))
{
 StreamReader reader=new StreamReader(Path,System.Text.Encoding.GetEncoding("GB2312"));
 while (reader.Peek()>=0)
 {
  try
  {
   ReadLine=reader.ReadLine();
   if (ReadLine!="")
   {
ReadLine=ReadLine.Replace(""","");
array=ReadLine.Split(',');
if (array.Length != 9)
{
 MessageBox.Show("您选择的导入数据类型有误，请重试！");
 return;
}
SqlDataAdapter Adapter=new SqlDataAdapter();
DataSet ds=new DataSet();
Adapter.SelectCommand=new SqlCommand("Sp_GetData",con);
Adapter.SelectCommand.CommandType=CommandType.StoredProcedure;
Adapter.Fill(ds,"table");
  
SqlCommandBuilder ComBuilder=new SqlCommandBuilder(Adapter);
DataTable DItem =ds.Tables["table"];
DataRow DRow=DItem.NewRow();
DRow["Type"]=array[0];
DRow["Refno"]=array[1];
DRow["Flag"]=array[2];
DRow["PartNo"]=array[3];
if (array[4]==null || array[4]=="")
{
 DRow["Quantity"]=0;
}
else
{
 DRow["Quantity"]=Convert.ToDouble(array[4]);
}
if (array[5]==null || array[5]=="")
{
 DRow["TranCode"]=0;
}
else
{
 DRow["TranCode"]=Convert.ToInt32(array[5]);
}
DRow["Origin"]=array[6];
DRow["Location"]=array[7];
if (array[8]==null || array[8]=="")
{
 DRow["StdCost"]=0;
}
else
{
 DRow["StdCost"]=Convert.ToDouble(array[8]);
}
DItem.Rows.Add(DRow);
   }
  }
  catch (Exception ex)
  {
   MessageBox.Show(ex.ToString());
  }
 }
 try
 {
  //Adapter.InsertCommand=ComBuilder.GetInsertCommand();
  //Adapter.UpdateCommand=ComBuilder.GetUpdateCommand();
  //Adapter.DeleteCommand=ComBuilder.GetDeleteCommand();
  Adapter.Update(ds,"table");
  ds.AcceptChanges();
  MessageBox.Show("数据读取完毕");
 }
 catch (Exception ex)
 {
  MessageBox.Show(ex.ToString());
 }
}
else
{
 MessageBox.Show("您输入的路径文件不存在!");
}
}
else
{
MessageBox.Show("请选择导入的数据类型!");
}