How to update the value in a Dictionary in C# ?
Below is a sample code snippet demonstrating how to update the value that is stored within the dictionary using C#. We access the dictionary with the key as index and set the value. How to update the...
View ArticleHow to convert List to string with comma delimiter in C# ?
If you need to convert a collection (for example List of string) to string separated with the Comma as delimiter , you can either use the string.join method or aggregate method as shwon below. How to...
View ArticleHow to Get the Top 5 elements from a List in C# ?
If you want to get the top 5 elements from a list in C# or skip the first item and get the next five elements from a List , you can use the Take and the Skip methods. How to Get the Top 5 elements from...
View ArticleHow to Get the Dictionary Key by value in C# ?
If you want to get the Key of a dictionary based on the value in C# , you can use the LINQ’s where clause o FirstOrDefault method. How to Get the Dictionary Key by value in C# ? using System; using...
View ArticleHow to Add item to the beginning of List in C# ?
If you want to add or insert an item to the beginning of the List in C# , you can use the Insert method defined in the collection as shown below. How to Add item to the beginning of List in C# ? using...
View ArticleHow to make a Type Sortable on Different Criteria in C# ?
IComparable interface is a great way to sort your objects by using the sorting routines of the List. There is a another interface called IComparer<T> which allows the objects to be sorted based...
View ArticleUsing HashSet to remove duplicates from array in C#
If you want to remove duplicates from an array in C# , one of the options is to use HashSet as shown below. How to remove duplicates from an array in C# using HashSet? using System; using...
View ArticleHow to Check if the ArrayList is read-only in C# ?
There are times when you would use the read-only wrapper in order to prevent modifying the ArrayList. We use the ArrayList.ReadOnly method to create such collection. When doing so , you might want to...
View ArticleHow to Get the number of elements in ArrayList in C# ?
Here’s the code that demonstrates how one can get the total number of elements contained in the ArrayList using C# using the Count property of the ArrayList. How to Get the number of elements in...
View ArticleHow to Create an Empty array without defining the size in C# ?
When we create an array in C# , we tend to define the size of the array as shown below. String[] strArray = new String[5]; Can we create an array without defining the size ? The best option in this...
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