标签: c#
UPDATE nums n SET ... WHERE n.status='NEW' AND (select count(*) from nums where num = n.num and id < n.id and status = 'NEW') > 0;
当我打开文件时,它显示文本或十六进制代码扩展名。我希望能够推送保存文件。我没有必要做一个保存文件对话框这可能吗?
答案 0 :(得分:2)
WriteAllText in MSDN
File.WriteAllText("C:\file.txt", "your content.");