Instantiate the class based on the class name string and call the method or function of the class to convert

// Obtain the type information

// If you call another DLL

// System. reflection. Assembly ASMB = system. reflection. Assembly. loadfrom("DLL name ");

// Type T = ASMB. GetType ("Class Name ");

// If other DLL is not called

System. type T = system. type. GetType ("Class Name ");

Try

{

Object dobj = activator. createinstance (t );

// Obtain method information

System. reflection. methodinfo method = T. getmethod ("method name ");

// Some flag spaces of the call method. This field indicates public and instance method, which is also the default value.

System. reflection. bindingflags flag = system. reflection. bindingflags. Public |

 

System. reflection. bindingflags. instance;

// Parameters of the getvalue Method

Object [] parameters = new object [] {"parameter 1 "};

// Object returnvalue = method. Invoke (dobj, flag, type. defaultbinder,

 

Parameters, null );

// Obtain the value returned by the method

Object returnvalue = method. Invoke (dobj, flag, type. defaultbinder,

 

Parameters, null );

}

Catch (exception ex)

{

 

}

The following is a reflection class written by myself. You can execute the method based on the class name and method name. [CSHARP] View plaincopyprint?

2. UsingSystem;
4. UsingSystem. Collections. Generic;
6. UsingSystem. text;
8. UsingSystem. reflection;
12. NamespaceSearchfromdb
14. {
16. ClassReflection
18. {
20. StringClassname ="";
22. Type clstype;
24. PublicReflection (StringClassname)
26. {
28. This. Classname = classname;
30. }
32. PublicReflection ()
34. {
38. }
40. /// <Summary>
42. /// Specify the class name when you specify an Instance Object
44. /// </Summary>
46. Public ObjectGetclassinstance (StringAssembly,StringNamespace)
48. {
50. // The Assembly isProgramSet Name, namespace is the namespace
54. Clstype = assembly. Load (assembly). GetType (String. Concat (namespace,".",This. Classname ));
56. If(Clstype =Null)
58. Return Null;
60. ObjectOBJ = (Object) Activator. createinstance (clstype );
62. ReturnOBJ;
64. }
66. /// <Summary>
68. /// You do not need to specify the class name for the Instance Object
70. /// </Summary>
72. Public ObjectGetclassinstance (StringAssembly,StringNamespace,StringClassname)
74. {
76. Classname = classname;
78. Clstype = assembly. Load (assembly). GetType (String. Concat (namespace,".", Classname ));
80. If(Clstype =Null)
82. Return Null;
84. ObjectOBJ = (Object) Activator. createinstance (clstype );
86. ReturnOBJ;
88. }
90. /// <Summary>
92. /// Static method of execution class
94. /// </Summary>
96. /// <Param name = "methodname">
98. /// Method Name of the class
100. /// </Param>
102. /// <Param name = "Parameters">
104. /// Method parameter type
106. /// </Param>
108. /// <Param name = "methodtype">
110. /// Method parameters
112. /// </Param>
116. Public ObjectGetmethod (StringMethodname, type [] methodtype,Object[] Parameters)
118. {
120. // Methodtype. setvalue (typeof (string), 1 );
122. System. reflection. methodinfo pmethod = clstype. getmethod (methodname, bindingflags. ignorecase | bindingflags. Static | bindingflags. Public,Null, Methodtype,Null);
124. // Some flag spaces of the call method. This field indicates public and instance method, which is also the default value.
126. // System. reflection. bindingflags flag = bindingflags. ignorecase | bindingflags. Static | bindingflags. Public;
128. ObjectReturnvalue = pmethod. Invoke (Null, Parameters );
130. // String returnvalue = pmethod. Invoke (clsobj, flag, type. defaultbinder, parameters, null). tostring ();
132. ReturnReturnvalue;
134. }
136. }
138. }< br>