摘要:
private void button2_Click(object sender, EventArgs e) { DataTable dt = new DataTable(); dt.Columns.Add("AAA", typeof(string));//0 dt.Columns.Add("BBB 阅读全文
posted @ 2019-11-18 18:11
enych
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摘要:
private void button2_Click(object sender, EventArgs e) { double a = 0; List<string> list = new List<string>(); for (int i = 0; i < 100; i++) { a += 0. 阅读全文
posted @ 2019-11-18 15:02
enych
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