当我试图执行它显示上述错误的代码时。已经是一个开放的DataReader与这个命令相关联,必须先关闭
try
{
com.CommandText = "select * from Export";
com.ExecuteReader();
data_mode = "Export";
com.CommandText = "Insert INTO [" + New_access_file + "]." + data_mode + " select * FROM ExportDATA";
com.ExecuteNonQuery();
}
catch
{
data_mode = "Export";
com.CommandText = "SELECT * INTO [" + New_access_file + "]." + data_mode + " FROM ExportDATA";
com.ExecuteReader();
}
感谢它工作完美。 – SoumitaP 2013-04-23 07:34:46