\n
QueryReadOnlyListAsync<\/code> calls the Dapper extension method QueryAsync<\/code>, which returns a Task<IEnumerable<T>><\/code>. IEnumerable<\/code> doesn’t implement IReadOnlyList<\/code>. You can’t return Task<IEnumerable><\/code> if the method’s return type is Task<IReadOnlyList><\/code>. You need to convert the IEnumerable<\/code> into a collection that implements IReadOnlyList<\/code>, such as a regular List<\/code>:<\/p>\n\/\/Make method async so you can await the Task returned by ExecuteWithResiliency\npublic async Task<IReadOnlyList<T>> QueryReadOnlyListAsync<T>(string sql, object param = null, IDbTransaction transaction = null, int? commandTimeout = null, CommandType? commandType = null)\n{\n \/\/Converting using .ToList() for simplicity. Use whatever type suits your use-case best.\n return (await ExecuteWithResiliency((s, p, c) => c.QueryAsync<T>(s, p, transaction, commandTimeout, commandType), sql, param)).ToList();\n}\n\nprivate async Task<T> ExecuteWithResiliency<T>(Func<string, object, SqlConnection, Task<T>> connectionFunc, string sql, object param = null, [CallerMemberName] string operation = \"\")\n{\n return await _resiliencyPolicy.ExecuteAsync(ctx => connectionFunc(sql, param, (SqlConnection)_connection), ContextHelper.NewContext((SqlConnection)_connection, _logger, sql, param, operation));\n}\n<\/code><\/pre>\n<\/p><\/div>\n<\/div>\n<\/div>\n
1<\/span> <\/p><\/div>\n<\/div>\n[ad_2]<\/p>\n
solved Cannot implicitly convert type ‘Task>’ to ‘Task>’ <\/p>\n","protected":false},"excerpt":{"rendered":"[ad_1] QueryReadOnlyListAsync calls the Dapper extension method QueryAsync, which returns a Task<IEnumerable<T>>. IEnumerable doesn’t implement IReadOnlyList. You can’t return Task<IEnumerable> if the method’s return type is Task<IReadOnlyList>. You need to convert the IEnumerable into a collection that implements IReadOnlyList, such as a regular List: \/\/Make method async so you can await the Task returned by … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[3013,324,5340],"class_list":["post-29980","post","type-post","status-publish","format-standard","hentry","category-solved","tag-asp-net-core-3-1","tag-c","tag-dapper"],"yoast_head":"\n[Solved] Cannot implicitly convert type 'Task' to 'Task' - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-cannot-implicitly-convert-type-task-to-task\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Cannot implicitly convert type 'Task' to 'Task' - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] QueryReadOnlyListAsync calls the Dapper extension method QueryAsync, which returns a Task<IEnumerable<T>>. 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IEnumerable doesn’t implement IReadOnlyList. You can’t return Task<IEnumerable> if the method’s return type is Task<IReadOnlyList>. You need to convert the IEnumerable into a collection that implements IReadOnlyList, such as a regular List: \/\/Make method async so you can await the Task returned by ... 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