System.InvalidCastException: Object cannot be cast from DBNull to other types.
at System.DBNull.System.IConvertible.ToInt32(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 quartoesuite.busca.buscaAnuncioLista() in C:\Users\Empresa\OneDrive\Documentos\sites\naplantaimoveisWebForms\busca.aspx.cs:line 81
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