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>There is already an open DataReader associated with this Command which must be closed first.
Add this to your connection string:
MultipleActiveResultSets=true;c# datareader already open visual studio mysql
// Always, always, always put disposable objects inside of using statements:
using (Connection c = ...)
{
using (DataReader dr = ...)
{
//Work with dr in here.
}
}
//Now the connection and reader have been closed and disposed.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.Copyright © 2021 Codeinu
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