System.Data.OleDb.OleDbException: Nessun valore specificato per alcuni parametri necessari.
in System.Data.OleDb.OleDbCommand.ExecuteCommandTextF orSingleResult(tagDBPARAMS dbParams, Object& executeResult)
in System.Data.OleDb.OleDbCommand.ExecuteCommandText( Object& executeResult)
in System.Data.OleDb.OleDbCommand.ExecuteCommand(Comm andBehavior behavior, Object& executeResult)
in System.Data.OleDb.OleDbCommand.ExecuteReaderIntern al(CommandBehavior behavior, String method)
in System.Data.OleDb.OleDbCommand.ExecuteReader(Comma ndBehavior behavior)
in System.Data.OleDb.OleDbCommand.ExecuteReader()
in TravianBot2.DataConnection.ExecuteSelect(String sqlCommand, QueryCallback callback) in C:\Users\Administrator\Desktop\Applications\Databa se\DataConnection.cs:riga 112