System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary. at System.ThrowHelper.ThrowKeyNotFoundException() at System.Collections.Generic.Dictionary`2.get_Item(TKey key) at MySql.Data.MySqlClient.MySqlField.SetFieldEncoding() at MySql.Data.MySqlClient.NativeDriver.GetColumnData(MySqlField field) at MySql.Data.MySqlClient.NativeDriver.GetColumnsData(MySqlField[] columns) at MySql.Data.MySqlClient.Driver.GetColumns(Int32 count) at MySql.Data.MySqlClient.ResultSet.LoadColumns(Int32 numCols) at MySql.Data.MySqlClient.ResultSet..ctor(Driver d, Int32 statementId, Int32 numCols) at MySql.Data.MySqlClient.Driver.NextResult(Int32 statementId, Boolean force) at MySql.Data.MySqlClient.MySqlDataReader.NextResult() at MySql.Data.MySqlClient.MySqlDataReader.Close() at MySql.Data.MySqlClient.MySqlCommand.ResetReader() at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader(CommandBehavior behavior) at quartoesuite._default.dataTableLista() in C:\Users\Empresa\OneDrive\Documentos\sites\naplantaimoveisWebForms\default.aspx.cs:line 113System.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._default.dataTableListaItem() in C:\Users\Empresa\OneDrive\Documentos\sites\naplantaimoveisWebForms\default.aspx.cs:line 178