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

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There is already an open DataReader associated with this Command which must be closed first c#

<connectionStrings>
    <add name="IdentityConnection" connectionString="Data Source=(LocalDb)\v11.0;AttachDbFilename=|DataDirectory|\IdentityDb.mdf;Integrated Security=True;MultipleActiveResultSets=true;" providerName="System.Data.SqlClient" />
  </connectionStrings>

Posted by: Guest on February-26-2020

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

Add this to your connection string:
MultipleActiveResultSets=true;

Posted by: Guest on May-19-2021

-1

There is already an open DataReader associated with this Connection which must be closed first.

there is already an open datareader associated with this command which must be closed.

Posted by: Guest on December-09-2020

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