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Alex Rivera
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The Reader is always null , I have no idea why. Before the connection was in one method, everything worked fine. Code: private MySqlConnection connection; private MySqlCommand command; private MySqlDataReader Reader; public Form1() { InitializeComponent(); DBint(); } private void DBint() { string myConnectionString = "SERVER=xxx;PORT=3306;" + "DATABASE=xxx;" + "UID=root;" + "PASSWORD=xxx;"; connection = new MySqlConnection(myConnectionString); command = connection.CreateCommand(); MySqlDataReader Reader;//error occures her connection.Open(); Reader = command.ExecuteReader(); //MessageBox.Show(tmp); //connection.Close(); }
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