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typescript 判断是否能string转number

2025-04-07 02:42:55

推荐回答（1个）

回答1：

　if (myreader.HasRows)
　　{
　　MessageBox.Show(myreader.GetString("email") );
　　}
　　}
　　myreader.Close();
　　mycon.Close();

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