There Is No Argument Given That Corresponds To The Required Formal Parameter

When working with Inheritance in C#, under certain circumstances, you might get an error message similar to this: There is no argument given that corresponds to the required formal parameter.

You are watching: There is no argument given that corresponds to the required formal parameter

Don’t worry, the above error can be easily resolved.

Let’s see a full example, by first reproducing the error.

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Reproducing the Error Message

Consider that you have a console application in C# that uses inheritance, and that you have the below base class:

//base classpublic class BaseClass{ int id; public BaseClass(int i) { id = i; } public void baseClassMethod() { Console.WriteLine(“This is the base class”); }}

Then you try to specify the child class that inherits from the baseClass as below:

//child classpublic class childClass : BaseClass{ int id2; public childClass(int i) { id2 = i; } public void childClassMethod() { Console.WriteLine(“This is the child class”); }}

You then try to compile and you you get the exact error message (for this example): There is no argument given that corresponds to the required formal parameter ‘i’ of ‘BaseClass.BaseClass(int)’

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