Erro ao acessar BD-->Object cannot be cast from DBNull to other types. -- at System.DBNull.System.IConvertible.ToInt32(IFormatProvider provider)
at System.Convert.ToInt32(Object value, IFormatProvider provider)
at MySql.Data.MySqlClient.Driver.LoadCharacterSets(MySqlConnection connection)
at MySql.Data.MySqlClient.Driver.Configure(MySqlConnection connection)
at MySql.Data.MySqlClient.MySqlConnection.Open()
at bd..ctor() in c:\inetpub\vhosts\compulaserg.com.br\wwwroot\comvisual\App_Code\bd.cs:line 18