ExecuteReader(),ExecuteNonQuery(),ExecuteScalar(),ExecuteXmlReader()之间的区别
ExecuteReader(),ExecuteNonQuery(),ExecuteScalar(),ExecuteXmlReader()之间的区别
主要有这么几种,cmd.ExecuteReader();cmd.ExecuteNonQuery();cmd.ExecuteScalar();cmd.ExecuteXmlReader();)
1,ExecuteReader();返回一个S
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2014-04-09 23:10:53 ·
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