Join the social network of Tech Nerds, increase skill rank, get work, manage projects...
 
  • Datatype conversions in c#

    • 0
    • 0
    • 0
    • 0
    • 0
    • 0
    • 0
    • 0
    • 157
    Comment on it

    These are the following Data Type Conversion in c#

    1. Implicit conversion
    2. Explicit Conversions
    3. Difference between Parse() and TryParse()

    Implicit conversion is done by the compiler:

    1.When there is no loss of information if the conversion is done
    2.If there is no possibility of throwing exceptions during the conversion

    Example: Converting an int to a float will not loose any data and no exception will be thrown, hence an implicit conversion can be done.

    Where as when converting a float to an int, we loose the fractional part and also a possibility of overflow exception. Hence, in this case an explicit conversion is required. For explicit conversion we can use cast operator or the convert class in c#.

    Implicit Conversion Example

    using System;
    class Program
    {
        public static void Main()
        {
            int i = 100;
    
            // float is bigger datatype than int. So, no loss of
            // data and exceptions. Hence implicit conversion
            float f = i;
    
            Console.WriteLine(f);
        }
    }
    

    Explicit Conversion Example

    using System;
    class Program
    {
        public static void Main()
        {
            float f = 100.25F;
    
            // Cannot implicitly convert float to int.
            // Fractional part will be lost. Float is a
            // bigger datatype than int, so there is
            // also a possiblity of overflow exception
            // int i = f;
    
            // Use explicit conversion using cast () operator
            int i = (int)f;
    
            // OR use Convert class
            // int i = Convert.ToInt32(f);
    
            Console.WriteLine(i);
        }
    }
    

    Difference between Parse and TryParse

    1. If the number is in a string format you have 2 options - Parse() and TryParse()
    2. Parse() method throws an exception if it cannot parse the value, whereas TryParse() returns a bool indicating whether it succeeded or failed.
    3. Use Parse() if you are sure the value will be valid, otherwise use TryParse().

 0 Comment(s)

Sign In
                           OR                           
                           OR                           
Register

Sign up using

                           OR                           
Forgot Password
Fill out the form below and instructions to reset your password will be emailed to you:
Reset Password
Fill out the form below and reset your password: