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This article introduces the relevant knowledge of "what are the forms of C# type conversion". In the operation of actual cases, many people will encounter such a dilemma. Then let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Type conversion is fundamentally type casting, or the conversion of data from one type to another. In C#, there are two forms of type casting:

Implicit type conversions-these conversions are the default conversions of C# in a secure manner and do not result in data loss. For example, convert from a small integer type to a large integer type, and from a derived class to a base class.

Explicit type conversions-explicit type conversions, that is, cast. Explicit conversion requires a cast operator, and a cast can result in data loss.

The following example shows an explicit type conversion:

Static void Main (string [] args) {double d = 5673.74; int I; / cast double to int I = (int) d; Console.WriteLine (I); Console.ReadKey ();}

When the above code is compiled and executed, it produces the following results:

5673

The following example converts types of different values to string types:

Static void Main (string [] args) {int I = 75; float f = 53.005f; double d = 2345.7652; bool b = true; Console.WriteLine (i.ToString ()); Console.WriteLine (f.ToString ()); Console.WriteLine (d.ToString ()); Console.WriteLine (b.ToString ()) Console.ReadKey ();}

When the above code is compiled and executed, it produces the following results:

75 53.005 2345.7652 True

In C#, we can see three kinds of cast, such as casting to signed 32-bit integers, and we can find the following three ways:

① (int) ()

② Convert.ToInt32 ()

③ int.Parse ()

As conversion character

The as operator works like a cast, except that it never throws an exception, and if the object cannot be converted, the result is null, and the cast throws an exception.

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