An explicit conversion exists (are you missing a cast?). By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. "select table.ADD_FULL); but hard time to return multiple columns in LINQ, Try the followin: select new {ADD_FULL= table.ADD_FULL, POSTALCITY = table.POSTALCITY,.}, LINQ with EF, cannot convert string to List, Why on earth are people paying for digital real estate? How to Convert Generic List to String and Vice Versa using C#. SetContentView(Resource.Layout.Fixture);
public string FixtureName { get; set; }
), Error 16 Cannot implicitly convert type 'object' to 'string'. Don't tell someone to read the manual. Try this: Your problem is that addressData is not a list of strings - it is a list of a temporary class that contains the 4 fields in your select. Cannot implicitly convert type 'ORS.DTO.GenderDTO' to 'System.Collections.Generic.IEnumerable'. Sci-Fi Science: Ramifications of Photon-to-Axion Conversion. Would a room-sized coil used for inductive coupling and wireless energy transfer be feasible? Its give in two separate line like:
However it errors out at "address = addressData.toString();" saying cannot implicitly convert type string to System.Collection.Generic.List. How to map null values with AutoMapper for an specific mapping? if addressData should be a List of Strings to try this: You should call the ToList() method instead of ToString() to create a List. Basically we are declaring a List which holds list. And that List holds string datatype. How can I convert a stack trace to a string? Were sorry. We can easily convert String to ArrayList in Java using the split () method and regular expression. I can get the data out and into a List of type string > but it actually needs to go into a . 1 [element1, element2, element3elementN] 1 2 String strListString = listDays.toString(); System.out.println(strListString); Output 1 [Sunday, Monday, Tuesday, Wednesday, Thursday] Is speaking the country's language fluently regarded favorably when applying for a Schengen visa? For this purpose we are adding flatmap() after the map() operation. Does the Arcane Maul spell's area-effect option deal out double damage to certain creatures? Copyright 2023 DigitizedPost All rights reserved. public class Fixture : Activity
It seems that your problem has been solved. So, you could instantiate D instances as below: D<Integer> intD = new D<Integer> (); D<String> stringD = new D<String> (); All these are completely acceptable according the class declaration of D (Because of Unbounded type parameter). I'm receiving an exception like cannot convert from 'List' to 'string' when i'm declaring a list. {
Efficient Multiple Linear Regression in C# / .Net. Find centralized, trusted content and collaborate around the technologies you use most. Difference between "be no joke" and "no laughing matter". To learn more, see our tips on writing great answers. Cannot Convert From String to NewtonSoft.Json.JsonReader, cannot convert from system.collections.generic.list to string to Vba.collections, How could I convert data from string to long in c#, C# Convert string from UTF-8 to ISO-8859-1 (Latin1) H, Cannot convert from an IEnumerable to an ICollection, Convert String To camelCase from TitleCase C#, SqlBulkCopy - The given value of type String from the data source cannot be converted to type money of the specified target column, Cannot implicitly convert type from Task<>, Cannot convert from List to List, Cannot convert from 'method group' to 'System.Action' error, Convert result of matches from regex into list of string, Removing extra commas from string after using String.Join to convert array to string (C#), Cannot convert from List to List. Gonna duplicating,But its not give me results in one line . //Set View
What does that mean? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. yes of course he need to validate that the type of cell contains string, This
You should also select strings from your query in order to get a List. Solution 1 The error message are pretty explicit: 'MyProjectJTable.Models.Student' does not contain a constructor that takes 0 parameters Which means you can't do this: C# a => new Student () You need to look at your Student class and find out which constructors are available, and call one of those with the appropriate parameters. Cannot implicitly convert type 'int' to 'Foo.Bar.Delegates.Program.ParseIntDelegate', cannot implicitly convert type 'Microsoft.SolverFoundation.Services.Term' to 'bool', Cannot implicitly convert Dictionary List type parameter to ICollection, Cannot implicitly convert type System.Collections.Generic.List to System.Collections.Generic.List, Cannot implicitly convert type 'System.Threading.Tasks.Task to 'string', Byte multiplied by byte is int for some reason. This is the best example for flatmap() where it is used to resolve the cannot convert from nested list to list error. Relativistic time dilation and the biological process of aging. If you were allowed to cast/convert List> to List>, then you could add a D to the list, because it's allowed to contain a D of any type, but any code with a reference to that list will then have a list that contains a D when it was expecting only D. Find centralized, trusted content and collaborate around the technologies you use most. (Ep. The simple solution is C# TextBox1.Text = row [ "FirstName" ].ToString (); However, if the value in the DataRow cell is null, you will get a null pointer error. This is probably an age-old question but after a solid day of Googling I am yet to figure out the answer. I am not quite sure about your requirements , what is the relationship about `Sell_to_Customer_No` and `Kundenummer` property in the class ? 1
We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. How to close application before its fully loaded? text = subprocess.check_output(["ls", "-l"], text=True) For Python 3.6, Popen accepts an encoding keyword: An explicit conversion exists (are you missing a cast?). public async Task> LookupMukey(){var mukeys = new List();var MV = MapView.Active;int mukeyCount = 0;var SelectionLayer = MV.Map.GetLayersAsFlattenedList().OfType().Where(fl => fl.Name.Contains("SelectionLayer")).FirstOrDefault(); await QueuedTask.Run(() =>{using (var SelectionTable = SelectionLayer.GetTable()){using (var rowCursor = SelectionTable.Search()){while (rowCursor.MoveNext()){using (Row row = rowCursor.Current){var mukey = Convert.ToString(row["mukey"]);mukeys.Add(mukey);mukeyCount++;}}}}, //calling the list of mukeys and outputting the values into a text file (performed by the function, //OutputTextFiles() ), Utilities helperclass = new Utilities();var strOutput = helperclass.LookupMukey();helperclass.OutputTextFiles(strOutput, "TestFile"); //error occurs at strOutput. The Lambada expression is getting the ProductName from each product and collect it as a collection of strings.. Making statements based on opinion; back them up with references or personal experience. Making statements based on opinion; back them up with references or personal experience. Sell_to_Customer_No its property of my class , which is Coming from database and its String.
Without flatmap() the code will look like. Returns a string array, you'll need to create an Attachment object. Were Patton's and/or other generals' vehicles prominently flagged with stars (and if so, why)? Thanks for contributing an answer to Stack Overflow! private ListView fixList;
Then you can simply write: Having changed the return type of the method to match. (Ep. {
Copyright 2023 www.appsloveworld.com. If we don't want to get theduplicatevalues , we usually filterit when query the database
//ViewConnect
Please see my script below: //Looking up a list of string values, mukeys public async Task<List<string>> LookupMukey () { {
An explicit conversion exists (are you missing a cast? ) MSDN Support, feel free to contact MSDNFSF@microsoft.com. The most modern would be using subprocess.check_output and passing text=True (Python 3.7+) to automatically decode stdout using the system default coding:. Why? How to convert from string to XElement object, Convert.ChangeType How to convert from String to Enum, How to get bool result from async task function in C# - Error: Cannot implicitly convert type `void' to `bool', Int to string: cannot convert from 'method group' to 'string', Convert from scientific notation string to float in C#, Error CS1503 - Cannot convert from Microsoft.Extensions.Configuration.IConfigurationSection to System.Action<>, cannot convert from 'string' to 'char[]' for split, Cannot deserialize string from BsonType ObjectId in MongoDb C#, cannot convert from 'void' to 'System.Action', Cannot convert string to Enum type I created, Convert numbers with exponential notation from string to double or decimal. 2. Will just the increase in height of water column increase pressure or does mass play any role in it? Not the answer you're looking for? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. How can constructing an X509Certificate2 from a PKCS#12 byte array throw CryptographicException("The system cannot find the file specified.")? Non-definability of graph 3-colorability in first-order logic. private ListView fixList;
//Set View
And , When I remove all List in my ViewModal and also in my action and than, Use String.Join and filtered kundenummer with GroupBy in View its gonna work and its not
The error i'm getting is cannot convert to string in this line : mItems.Add( new Fixture_List { FixtureId = "3254" , FixtureName = "text1" , FixtureRaft ="3" , FixtureNumar = "20"}), This is supposed to be an app in xamarin to display a list of products. QGIS does not load Luxembourg TIF/TFW file. Java9Example1.java 587), The Overflow #185: The hardest part of software is requirements, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Testing native, sponsored banner ads on Stack Overflow (starting July 6), C# Linq - Cannot implicitly convert IEnumerable to List, Converting List to EntityFramework column/field list, Linq Query : Cannot convert type IEnumerable to string changing .ToString() to (string), C# Converting List throwing exception in linq query. All rights reserved. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. fixList = FindViewById(Resource.Id.FixtureList);
{
MyListViewAdapter adapter = new MyListViewAdapter(this, mItems);
What is the significance of Headband of Intellect et al setting the stat to 19? [Activity(Label = "Fixture")]
I suggest you to change it to: you can use .FirstOrDefault or First it always solves my proplems. why isn't the aleph fixed point the largest cardinal number? Visit Microsoft Q&A to post new questions. csharp script errors unityscript visual studio RDG_Admin Joined: Oct 4, 2014 Posts: 22 So i'm trying to enable a couple boolean values depending on what is entered in the two text fields (WindowsEditionCheck and GPUMakeModelText). Something like this: Copyright 2023 www.appsloveworld.com. Making statements based on opinion; back them up with references or personal experience. How to safely convert a string containing escaped JSON to valid JSON? you need to convert that to a string - see the answers posted below. rev2023.7.7.43526. Identical ListViews display differently - Columns don't stretch on one, How to break on specific Guid using Visual Studio Conditional Breakpoint. rev2023.7.7.43526. In this tutorial, we will discuss methods to convert a List<string> to a string variable in C#. From the above example when flatmap is not used it will throw the below error, Type mismatch: cannot convert from List> to List. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. All rights reserved. //Set View
Cannot implicitly convert type 'void' to 'System.Collections.Generic.List', Unity3D C# - Cannot implicitly convert type `string' to `int', Cannot implicitly convert type 'System.Collections.Generic.List, Cannot implicitly convert type 'string' to 'char[]', Cannot implicitly convert type 'ulong[]' to 'Newtonsoft.Json.Linq.JToken', Cannot implicitly convert type 'System.Net.Mail.MailAddress' to 'SendGrid.Helpers.Mail.EmailAddress', Cannot implicitly convert type 'string' to 'System.Web.UI.WebControls.TextBox' Error, Cannot implicitly convert type System.Collections.Generic.Dictionary, AnonymousType#1>, Cannot implicitly convert type System.LinQ.IOrderedEnumerable to MyClassCollection. See this documentation. Youll be auto redirected in 1 second. Using regression where the ultimate goal is classification. fixList.Adapter = adapter;
), Ive got this error saying Cannot implicitly convert type 'object' to 'string'. var fixSearch = FindViewById(Resource.Id.FixSearch);
Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. In MVC?
For instance, here's a Predicate<string> which tests for a string having a length 5 or more: Predicate<string> lengthTester = delegate (string x) { return x.Length >= 5; }; (That's using an anonymous method, but a Predicate<T> is just like any other delegate.) An explicit conversion exists (are you missing a cast? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. What is the Modified Apollo option for a potential LEO transport? Please review the stack trace for more information about the error and where it originated in the code. Does the Arcane Maul spell's area-effect option deal out double damage to certain creatures? Do you want each address in the list to be converted to a string? Gonna duplicating,But its not give me results in one line .
// List
something like this : and beacuse of that i use .Distinct() in my Controller and i use GroupBy in My View to stopduplicate rows , but its not works its just same , and if its works. .The answers are 1 and 1. Not the answer you're looking for? error CS1503: Argument 1: cannot convert from 'System.Collections.Generic.List<string>' to 'string' Hey, i'm making this game and this error just showed up and i cant find a way to solve it. Connect and share knowledge within a single location that is structured and easy to search. How to get an enum value from a string value in Java, How to Sort a List by a property in the object, How to generate a random alpha-numeric string. 15amp 120v adaptor plug for old 6-20 250v receptacle? - Wayne. In the movie Looper, why do assassins in the future use inaccurate weapons such as blunderbuss? {
This can be beneficial to other community members reading this thread. {
Were sorry. Commercial operation certificate requirement outside air transportation, Sci-Fi Science: Ramifications of Photon-to-Axion Conversion. Not the answer you're looking for? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. namespace mortiimatii
Is there any potential negative effect of adding something to the PATH variable that is not yet installed on the system? 120, 10, 3, ?, ? Do you need an "Any" type when implementing a statically typed programming language? I have a builder class with a method that takes List of unknown type, List cannot be converted to List, My understanding of unknown type was it should allow something basic like this. namespace mortiimatii
", Comunidad Esri Colombia - Ecuador - Panam. The following code returns an error. Can I still have hopes for an offer as a software developer. Maybe this photo helps you see better what i'm struggling with . Feel free to mark more than one post as "Answer" if you wish. We love writing blogging tips and all technical aspects for newbies and experienced developers. 1
You can't pass a list as string, you should do as bellow if you want a list of list of string: or do as bellow if you want a list of string: If you want a List of List of strings, you can do what vc74 or Saeed suggest. List and Scripting Newbie. Skills id is unique and employee skillId will not be unique and will repeat for different employees.
protected override void OnCreate(Bundle savedInstanceState)
Not the answer you're looking for? Understanding Why (or Why Not) a T-Test Require Normally Distributed Data? Is speaking the country's language fluently regarded favorably when applying for a Schengen visa? In this Blog we are going to see. using Android.Content;
If the resulting output of map is collected to list then it will collect list of list of employees. ScrollableControl draw border around entire control. getEmployeeSkills() method returns a List of employees object. That's what I figured, however you are returning an object not a string from your LINQ Select. And This what i have in my action (Updated): Can anyone please point me right direction?! Object reference not set to an instance of an object? Provide an answer or move on to the next question. //ViewConnect
public class Fixture : Activity
Pls help :' ( ( ( using System.Collections; using System.Collections.Generic; using UnityEngine.UI; using TMPro; using UnityEngine; Please put tag outside your loop to avoid creating multi rows. Why did the Apple III have more heating problems than the Altair? I added "table.ZIP5}).ToString()).ToList(); There is no programming error but no value returns. But i want my results in the one line , somthing like this: 1,2 (for this i used String.Join in my View ,but itsduplicate rows again), I update my Question with those changes :). As explained above, you can't cast directly to List>, but you can use (what I call) a "magic double cast"; first to List then to List>: Of course this is an unsafe cast, so it's up to you to be sure that doing so won't cause problems. Here is my code : using System; using System.Collections.Generic; using System.Linq; using System.Text; using Android.App; using Android.Content; using Android.OS; using Android.Runtime; using Android.Views; using Android.Widget; namespace mortiimatii { [Activity (Label = "Fixture")] public class Fixture : Activity { private List<string> mItems; {
C# Resolving CS1503 Argument 1: cannot convert from '<anonymous type: string> to int csharp debugging script errors visual studio crupe90 Joined: May 31, 2021 Posts: 1 Hello All, Thank you for looking and I appreciate any help and education you can offer as I have been stuck on this issue for a while. This is correct. C# Blazor WebAssembly: Argument 2: cannot convert from 'void' to 'Microsoft.AspNetCore.Components.EventCallback', ODBC connection to MS Access database with SQLServer linked tables via DSN.
Argument error: Converting from Task to string, "Cannot convert from 'System.Threading.Task.Task to string. Here's an example of how to get list from string: my_string = "Hello, World!" my_list = my_string.split(", ") print(my_list) Output: ['Hello', 'World!'] Good point. From your question, I think this may be what you are looking for: address is a List of string, so you cannot set any object as ToString(). Its show results in one line ,But its gonna
', Unity 4.6 Cannot implicitly convert type `UnityEngine.Component' to `DamageInterface', Matthews Correlation Coefficient yielding values outside of [-1,1], SendMessage - sending case-sensitive keys, Explicit generic method implementation with 2 Type parameters -- only explicitly name 1 Type Parameter, how to use registerHotKeys function with Ctrl+Shift+d, C# Cannot implicitly convert type 'T' to 'object[*,*]', HttpContext.Current.Trace.IsEnabled inexplicably becomes false after second request, Persist User Control(ASCX) EventHandler Object Across Postbacks. If a question is poorly phrased then either ask for clarification, ignore it, or. I can return only one column fine like this. To learn more, see our tips on writing great answers. {
rev2023.7.7.43526. {
Object, Type mismatch: cannot convert from ArrayList to List, List to ArrayList conversion issue, Type mismatch: cannot convert from ArrayList to List, Incompatible types when converting List to String array, Type mismatch: cannot convert from element type Object to List, problem of conversion from a String to an arrayList in java, A sci-fi prison break movie where multiple people die while trying to break out. ", Awaiting the LookupMukey function returns a task not, what the function itself returns. I couldn't find out the error in above.Can somebody help me in this? Its give in two separate line like:
Yes i know , i was thought maybe is there some another way instand of changing property :). An explicit conversion exists (are you missing a cast? base.OnCreate(savedInstanceState);
Why add an increment/decrement operator when compound assignments exist? Do I have the right to limit a background check? They are both java.util.List. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. }, namespace mortiimatii
getEmployeeSkills() returns employee with specified technical skills. We and our partners use cookies to Store and/or access information on a device.
How can I use List in Linq to Entities as Entities? When you run the above example you can see the below output. mItems = new List
The neuroscientist says "Baby approved!" //Set View
var query = new List<string> () { new List<string> {"a", "b","c"}, new List<string> {"a"}}; I couldn't find out the error in above.Can somebody help me in this? This will help others answer the question. Convert List to String Using toString method of List The List provides the toString method which prints all the List elements in the following format. Skills id is mapped to employee skillId.
Thanks for contributing an answer to Stack Overflow! To convert a Python string to a list, you can use the split() method. //ViewConnect
public string FixtureNumar { get; set; }
How can I learn wizard spells as a warlock without multiclassing? mItems = new List
Can someone please explain why? An implicit conversion exists(are you missing a cast? Cultural identity in an Multi-cultural empire. Description: An unhandled exception occurred during the execution of the current web request. For your question, you want to solve the error that "cannot convert from 'mortiimatii.Fixture_List' to 'string'". Why add an increment/decrement operator when compound assignments exist? using Android.OS;
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That is because you put ' to 'ActionResult>', Cannot implicitly convert type 'double' to 'int', Cannot implicitly convert type 'Microsoft.AspNetCore.Mvc.NotFoundResult' to 'System.Threading.Tasks.Task', cannot implicitly convert type system.data.entity.infrastructure.DbRawSqlQuery<> . Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, List cannot be converted to List [closed], desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem, Why on earth are people paying for digital real estate? it always restricted that type of D instances should always be Strings in the context of apply(). c# exception Share Improve this question Follow asked Nov 7, 2011 at 13:06 Marshal Book set in a near-future climate dystopia in which adults have been banished to deserts. The content you requested has been removed. 1 I'm receiving an exception like cannot convert from 'List' to 'string' when i'm declaring a list. Youll be auto redirected in 1 second. fixList = FindViewById(Resource.Id.FixtureList);
Skills id is mapped to employee skillId. Same like intD instance, it has a List of Integers. (Ep. {
How to get the output of a System.Diagnostics.Process? How can I remove a mystery pipe in basement wall and floor? Cannot implicitly convert type 'bool? ' mItems.Add( new Fixture_List { FixtureId = "3254" , FixtureName = "text1" , FixtureRaft ="3" , FixtureNumar = "20"})
4 Answers Sorted by: 0 From your question, I think this may be what you are looking for: address = addressData.ToList ().Select (addr => string.Format (" {0} {1} {2} {3}", addr.ADD_FULL, addr.POSTALCITY, addr.STATE, addr.ZIP5)).ToList (); Share Improve this answer Follow answered Jan 3, 2017 at 17:18 Theo So, you could instantiate D instances as below: All these are completely acceptable according the class declaration of D (Because of Unbounded type parameter). You can try : select new ProfileVM.MinProfile { Kundenummer = new List<string> { sa.Sell_to_Customer_No } }); Best Regards, Nan Yu Marked as answer by Anonymous Thursday, October 7, 2021 12:00 AM Wednesday, May 16, 2018 5:34 AM 0 Sign in to vote User1724605321 posted Hi ManDown, {
How do I fix 'compiler error - cannot convert from method group to System.Delegate'? email is in use. public class Fixture : Activity
Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. To avoid that you can do like this: C# if (row [ "FirstName"] != null ) TextBox1.Text = row [ "FirstName" ].ToString (); else TextBox1.Text = ""; // Or what is suitable or C# In the movie Looper, why do assassins in the future use inaccurate weapons such as blunderbuss? Is there a legal way for a country to gain territory from another through a referendum? Why asp.net session is expired sooner than its timeout?
When you iterate over that List, you get the individual Strings, so the enhanced for loop should have a String variable : for (String str : an.getSortedByAnQty ()) { // []; } How to navigate with objects in windows phone 8? See its List . Why is char[] preferred over String for passwords? 15amp 120v adaptor plug for old 6-20 250v receptacle? The content must be between 30 and 50000 characters. I am able to await for the method, LookupMukey and obtain a list of mukeys, but when I output the string of mukeys, there is an error that states,"Cannot convert from 'System.Threading.Task.Task to string. I am not sure why I keep getting the conversion error that states, "Cannot convert from 'System.Threading.Task.Task to string" when I tried to return a list of string values as a argument parameter for another method. Cannot implicitly convert type 'object' to 'string'. So that we can find employees with same skills. When writing ASPX, is it unwise to use html in the aspx itself? Can you work in physics research with a data science degree?
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cannot convert from 'list to string
