本文介绍了如何增加列的现有值(int)的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想将''列'列中的现有值增加1.我使用以下代码,但它没有增加。现有值为0.
I would like to increment the existing value in column 'listed' by 1. I use the following code but it is not getting incremented. The existing value is 0.
string updateSql2 = "UPDATE district " + "SET listed =listed + 1 WHERE dist_code = '" + v_dist_code1 + "'";
SqlCommand UpdateCmd2 = new SqlCommand(updateSql2, con);
UpdateCmd2.ExecuteNonQuery();
不会抛出任何异常或错误。
任何人都可以告诉我吗?
It is not throwing any exception or error.
Can anyone guoide me?
推荐答案
string updateSql2 = "UPDATE district SET listed =listed + 1 WHERE dist_code = '" + v_dist_code1 + "'";
SqlCommand UpdateCmd2 = new SqlCommand(updateSql2, con);
UpdateCmd2.ExecuteNonQuery();
问候......:笑:
Regards..:laugh:
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