/C#/C# datareader already open visual studio mysql

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.

Source: stackoverflow.com

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