读取dbf文件记录出错,求助
代码如下:
private string s_connString=@"Provider=vfpoledb.1; Data Source=E:\test.DBF";
public void OpenConnection()
{
OleDbConnection myConnection = new OleDbConnection(s_connString);
try
{
myConnection.Open();
Console.Write("connection open success!");
DataTable dt=new DataTable();
OleDbDataAdapter myDataAdapter = new OleDbDataAdapter("select * from test",myConnection);
OleDbCommandBuilder builder=new OleDbCommandBuilder(myDataAdapter);
myDataAdapter.Fill(dt);//(出错处)
}
catch(Exception ex)
{
Console.Write(ex.ToString());
}
finally
{
myConnection.Close();
Console.Write("connection close");
}
}
在上面标明出错的地方,总是提示NullReferenceException,请各位帮忙看看