Tag: C#

How 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 on different criteria. How to make a Type Sortable on Different Criteria in C# ? For example , if you wanted to sort the Employee objects by Id , you can create…

How to make a Type Sortable in C# using IComparable interface?

Assume that you have a type which would be stored in a List. You would want to use List.Sort method to sort your data in the List. For example , assume that you have to store objects of type Employee in List<Employee> and sort the List by Age using the Sort method. To do this , we can use he IComparable<T> interface. How to make…

How to repeat the characters X times in C# ?

You can use the string constructor and pass the character that you wish to be present in it. The string constructor also takes the second parameter to specify the number of times the character to be repeated. How to repeat the characters X times in C# ? Below is a sample code snippet demonstrating how the string constructor can be used to repeat * 4…

How to check if the number is positive or negative in C# ?

You can use the > and < operator to check if the number is a positive or negative number in C#. How to check if the number is positive or negative in C# ? If the number is less than zero , it can be considered as negative number. If the number is greater than zero , it is a positive number. Below is a…

How to Create a Unique temporary file in C# ?

There are times when you want to create an unique temporary file in C# to deal with the storage of the data. In this case , you can use the Guid Name to get the unique name. How to Create a Unique temporary file in C# ?

How to Parse a string to Nullable Int in C# ?

Below is a sample code snippet demonstrating how you can convert a string to Nnullable Int in C#. How to Parse a string to Nullable Int in C# ? We use the int.Parse and based on its return value , assign the null or integer value to the Nullable Int.

How 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 System; using System.Collections.Generic; using System.Linq; namespace ACCode {     class Program     {         static void Main(string[] args)         {            …

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