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protected void btnExportOut_Click(object sender, EventArgs e) { try { DataTable exportData = new DataTable(); ... 阅读全文
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private void SaveData(string state) { if (Session["CustomerDataTable"] == null) { if (fldCustomersInfo.PostedFile.FileNam... 阅读全文
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网址:http://tool.oschina.net/commons 阅读全文
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#region 把本地文件上传到指定uri 2 /// 3 /// 把本地文件上传到指定uri 4 /// 5 /// 6 /// 7 private void button2_Click(object sender, EventArgs e) 8 { 9 WebClient wc = n... 阅读全文
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联合,前者会把所有联合的数据都一一显示,后者是会过滤掉重复记录数据。 阅读全文
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select * from tb1 where rowid in (select rowid from tb2 where ...)select * from tb1 where exists (select * from tb2 where tb2.rowid=tb1.rowid)当td2数据量比... 阅读全文