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System.ArgumentOutOfRangeException linq c#


System.ArgumentOutOfRangeException linq c#

By : david ramos
Date : November 22 2020, 02:59 PM
I think the issue was by ths following , Your technique is terribly inefficient because, by using .Count() and .ElementAt() repeatedly, you are reiterating your enumerables unnecessarily, many times over.
A considerably more efficient, elegant and less error-prone approach might be:
code :
var dom = all_lines
    .SelectMany(line => line
                         .Split(new[]{", "}, StringSplitOptions.RemoveEmptyEntries)
                         .Select((x, i) => new{x, i}))
    .GroupBy(x => x.i)
    .Select(g => g.Select(gi => gi.x).Distinct())
    .ToList();


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Need help with a LINQ ArgumentOutOfRangeException in C#

Need help with a LINQ ArgumentOutOfRangeException in C#


By : user2074965
Date : March 29 2020, 07:55 AM
hop of those help? Hoping this is a nice softball of a question for a friday but I have the following line of code: , Use this:
code :
currentAnswers = new CurrentAnswersCollection()
    .Where("PARTICIPANT_ID", 10000).Load()
    .FirstOrDefault();
What does the System.ArgumentOutOfRangeException mean? (vb.net)

What does the System.ArgumentOutOfRangeException mean? (vb.net)


By : dingnangen
Date : March 29 2020, 07:55 AM
wish helps you It's difficult to diagnose all of your program's logic since you provided only a small code snippet, but as to the error you're getting, is it possible that you have a participant name which is less than 14 characters? Looking at this line:
code :
If ListBox_ParticipantsNames.Items.Item(0).ToString.Substring(ListBox_ParticipantsNames.Items.Item(0).ToString.Length - 14) = "(Group Leader)" Then
Dim l_participantName As String = ListBox_ParticipantsNames.Items.Item(0).ToString()
l_participantName = l_participantName.PadLeft(14) ' Guarantees the length of the string is at least 14 characters
If l_participantName.Substring(l_participantName.Length - 14) = "(Group Leader)" Then
If ListBox_ParticipantsNames.Items.Item(0).ToString.EndsWith("(Group Leader)") Then
Linq query on Xdocument returns "System.linq.Enumerable+WhereSelectEnumerableIterator'2[system.XML.Linq.Xelement,Sy

Linq query on Xdocument returns "System.linq.Enumerable+WhereSelectEnumerableIterator'2[system.XML.Linq.Xelement,Sy


By : user2478907
Date : March 29 2020, 07:55 AM
Hope this helps Yes, that's because you've calling ToString() directly on a query for your second and third values - whereas in the first operation, you're calling Single() which will return a single string value.
Basically, don't call ToString() on queries. If you want a single value, use Single(), First() etc. If you want multiple values, iterate over them and do what you want with each of them in turn - or join them together in some appropriate fashion.
code :
using System;
using System.Linq;

class Test
{
    static void Main()
    {
        string[] values = { "a", "b", "c" };
        var query = values.Where(x => true);
        Console.WriteLine(query);
        Console.WriteLine(string.Join(";", query));
    }
}
System.Linq.Enumerable+WhereArrayIterator`1[System.String]
a;b;c
System.ArgumentOutOfRangeException Parameter name: chunkLength at System.Text.StringBuilder.ToString()

System.ArgumentOutOfRangeException Parameter name: chunkLength at System.Text.StringBuilder.ToString()


By : GodsGhost
Date : March 29 2020, 07:55 AM
I wish this help you I have got below exception in a log file. , Using lock:
code :
private static object lockObject = new object();
public static string ConcatLogKeyWithExceptionMessage<T>(this T entity, string configuredLogKeys, bool logOnlySingleKey, string exceptionMessage, bool firstInvocation = true) where T : class
{
    lock(lockObject )
    {
        // rest of your code here
    }
}
An exception of type 'System.ArgumentOutOfRangeException' occurred in System.Core.ni.dll but was not handled in user cod

An exception of type 'System.ArgumentOutOfRangeException' occurred in System.Core.ni.dll but was not handled in user cod


By : user4996393
Date : March 29 2020, 07:55 AM
I wish this help you Maybe your Linq statement returns an empty collection sometimes. Try to check if there is any elements in the voices object before trying to get specific elements:
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