已经关联了一个开放的DataReader [英] Already an open DataReader associated

问题描述

这是错误:-

{已经有与此命令相关联的打开的DataReader，必须先关闭它."}

This is the error:-

{"There is already an open DataReader associated with this Command which must be closed first."}

推荐答案

如果没有看到代码，将很难查明罪魁祸首.但是，在

Without seeing the code, it would be hard to pinpoint the culprit. However, typing the error on Google[^] gave out 96,700 results. I believe that is enough for you to troubleshoot it.

就在您使用SqlDataReader之前:

just before you use the SqlDataReader:

if (!SqlDataReader.IsClosed)
     SqlDataReader.Close();

SqlDataReader :将您声明的SqlDataReader的名称放在此处.

SqlDataReader: put here the name of your declared SqlDataReader.

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