What is the difference between parse and convert

Figure 6: Program 2 with Convert ToInt. ToInt32 will convert into an integer and stores in the result variable. Finally, it will display the value 0 on the screen. Figure 7: Program 3 with Convert ToInt. ToInt32 tries to convert it to an int and stores the answer in the result variable. So, it gives a FormatException.

Figure 8: Program 4 with Convert. As the value is too large, it is not possible to perform the conversion, giving an OverflowException. Parse is a method in C that converts a string representation to a corresponding numerical integer value. ToInt32 is a method in C that converts a specified string representation of a number to an equivalent bit signed integer.

The syntax for int Parse is int. Parse string s ; while syntax for Convert Toint 32 is Convert. ToInt32 string s ;. Parse will give an ArgumentNullException while Convert. ToInt32 gives a zero. In brief, int.

Parse and Convert ToInt32 are two methods to convert a string to an integer. ToInt32 Method System. She is passionate about sharing her knowldge in the areas of programming, data science, and computer systems. For null marks, Int. Parse returns error, but Convert. ToInt32 does not.

My guess is TryParse more safer to use. MSDN is a fantastic resource. Just use your favourite search engine and type something like. You will immediately notice quite a few things like "Parse takes a string as a parameter", "convert is overloaded to take many different parameter types". What about the difference between Convert and Parse if you pass a string to Convert? MSDN to the rescue! TryParse int. TryParse input,out is a method to convert the given input into integer, and the tryparse method is always used with out parameter to display default value.

Let's have an example to see its unique functionality. TryParse string s, out int result ; Parameter s represents input value, out represents that it's the default value to return while tryparse failed to convert the input as well as the tryparse never fall into the exception because of out param.

Okay, now we move to the examples. First, we will try with converting the boolean to integer. TryParse input ToString , out defaultout ; Console.

There is no issue here. It's also converting the bool value to integer. Let's try with converting the string which contains only number to integer. TryParse input, out defaultout ; Console. Let's try with converting the String which contains characters to integer.

Here, actually tryparse cannot convert the input which contains alphabet but it doesn't throw the exception. So, it returns the default value of our parameter value. The default out parameter value is 0 zero. Here, the tryparse failed to convert the null value to integer even it doesn't throw the exception and returns the default out param value. Here also, the same thing happens - it returns the default value. Now, we got clear knowledge about int.

This is used to convert the input into integer, the input value maybe anything. If it's failed to convert given input, means it will return the default out param value as result, and will never throw an exception. Differences Between int. TryParse We have seen the uses of int. Now, let's list all points to find the differences. Parse Convert. ToInt32 int. TryParse Syntax int. Parse string s Convert. ToInt32 bool value int. Toint32 and int. TryParse, along with their differences.

I hope you enjoyed this article. Your valuable feedback is always welcome. View All. Uses Of Int. ToInt32, And int. Gnanavel Sekar Updated date Dec 19, Now, run and see the output.

Here, I used the input2. We know very well that false represents 0 and true represents 1.