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ODBC Driver Development By Vikash Agarwal, May 01, 2002 Open your database system to the world. Vikash steps through developing an ODBC driver, using 阅读全文
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1. ROW remove vs delete datatable dt = new datatable() //fill 5 records for each row as datarow in dt.rows dt.rows.remove(row) // 4 records left // dt 阅读全文
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问题:新建一个测试表xx 给这个表添加一个列val, val列不允许为空,将表中已有的数据val值更新为1 执行以上脚本会有以下错误: Msg 207, Level 16, State 1, Line 2Invalid column name 'val'. 解决办法:添加GO,说明连接 More g 阅读全文