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string xblx = dw1.GetItemString(row, "c_xblx"); string xbid = dw1.GetItemString(row, "c_xbid"); string express = "evaluate(‘sum(if(c_xblx=\"" + xblx + "\"" + " and " + "c_xbid=\"" + xbid + "\", d_cfmj, 0) for all)‘,1)"; string cfmjstr = dw1.Describe(express); double cfmj = 0; Double.TryParse(cfmjstr, out cfmj);
express 表达式结果如下:
evaluate(‘sum(if(c_xblx="xbm" and c_xbid="14330", d_cfmj, 0) for all)‘,1)
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原文地址：http://www.cnblogs.com/janehlp/p/4708919.html
