Recently I chatted with my colleagues about. net interview questions. One interview question is whether GetType () can be reloaded. The answer is no. The reason is that GetType () is not Virtual, so it cannot be overloaded. GetType () is not
This article has no preface ...... 1. ContentProvider database sharing-Overview 2. ContentProvider database sharing-instance explanation 3. ContentProvider database sharing-MIME type and getType () 4. ContentProvider database sharing-read and write
In the same assembly, type. getType ("Class Name"), you can get this class type, but if it is cross-assembly, you must type. getType ("Class Name, assembly name"), you must add your Assembly name; otherwise, null is obtained. However, system. web.
This situation is often encountered during development. In Assembly A. dll, the type in assembly B. dll needs to be reflected. A running error occurs if you are not careful with it. For example, if Type. GetType ("BNameSpace. ClassName") is used in
Case 1:
Copy codeThe Code is as follows: int I = 5;
Console. WriteLine (I. GetType (); // System. Int32
Var x = 127.25 m;
Console. WriteLine (x. GetType (); // System. Decimal
Case 2:Copy codeThe Code is as follows: namespace _ 2011. _ 12. _
This article describes how to get the data type of a variable in PowerShell, using the GetType () function to accomplish this task.
First look at an example:
Copy Code code as follows:
PS c:\users\zhanghong> $i =1
PS
Java programmers learn php-4.gettype () settype () 1. gettype () get the data type & nbsp; for example, gettype (345); return integer & nbsp; gettype (some_object ); return object & nbsp; some other quick types to check for java programmers to learn
Java programmers learn php-4.gettype () settype () 1. gettype () get the data type & nbsp; for example, gettype (345); return integer & nbsp; gettype (some_object ); return object & nbsp; some other quick type queries java programmers learn php-4.
Is Operator-Shows if object X is of Type Y. if this condition is true, then you can cast the instance to the given type. this accounts for inheritance. for example, all types (such as system. int32) inherit from system. object. and 'is' check if we
typeof: The typeof operator is used to obtain the System.Type object for a Type.operator to obtain a System.Type object of a certain type.Type t = typeof (int);GetType: Gets The Type of the current instance. method to get the type of the current
Difference between GetType () and typeof ()GetType () returns the Class Name of the object.Case 1:
int i = 5;Console.WriteLine(i.GetType());//System.Int32var x = 127.25m;Console.WriteLine(x.GetType());//System.Decimal
Case 2:
namespace _2011._12._
C # The Code is as follows:Public interface iconfiginfo{}Public Class A: iconfiginfo{
}Public Class B{Void BB (iconfiginfo){Type T = A. GetType ();}}The VB.net code is as follows:
Public interface iconfiginfo
End Interface
Public Class
Implements
Gettype () and typeof () differencesWhen comparing objects, you need to know their types to determine whether their values can be compared. All classes inherit the GetType () method from System.Object and are often used with the TYPEO ()
Typeof: The typeof operator is used to obtain the system. Type object forType.
OperatorTo obtain a type System. Type Object.
Type T = typeof (INT );
GetType: Gets the type of the current instance.
MethodTo obtain the
Description of the type class in C #: Https://msdn.microsoft.com/zh-cn/library/system.type (vs.80). aspxAny object in C # has the GetType () method, and its function is the same as typeof (), which returns the type of the current object of type. X
Any object in C # has the GetType () method, and its function is the same as typeof (), which returns the type of the current object of type.X in typeof (X), must be a specific class name, type name, and so on, cannot be a variable name, GetType ()
typeof: The typeof operator is used to obtain the System.Type object for a Type.Operator to obtain a System.Type object of a certain type. Type t = typeof (int);GetType: Gets The Type of the current instance.method to get the type of the current
I suddenly thought of their differences and asked for documents for translation. Original
Typeof: The typeof operator is used to obtain the system. Type object forType.
Operator to obtain a typeSystem. TypeObject.
Type T = typeof (INT );
Generally, we can obtain object types using the following methods:
String vtypename = "system. int32 ";
Type vtype = type. GetType (vtypename );
Type vtype1 = typeof (INT );
However, when an assembly is dynamically loaded and used in another
Type. GetType always returns NULL;
Later, I checked the reference in the web project and found that there was a reference to the corresponding project ..
Therefore, the applicationProgramThe corresponding DLL cannot be found in the web project ..
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