2024 Get type based on string c#

Get type based on string c#

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WebDec 26, 2011 · dynamic d = { // your code }; object o = d; string [] propertyNames = o.GetType ().GetProperties ().Select (p => p.Name).ToArray (); foreach (var prop in propertyNames) { object propValue = o.GetType ().GetProperty (prop).GetValue (o, null); } Share Improve this answer Follow answered Dec 26, 2011 at 1:19 Tomislav Markovski … WebMar 29, 2024 · Ordinarily, you'd switch on a value: switch (this.value) { case int intValue: this.value = Math.Max (Math.Min (intValue, Maximum), Minimum); break; case decimal decimalValue: this.value = Math.Max (Math.Min (decimalValue, Maximum), Minimum); break; } But you can use it to switch on a type, if all you have is a type:

C# String (With Examples) - Programiz

WebDec 1, 2009 · Type myClassType = Type.GetType ("TypeName,DllName"); I had the same situation and it worked for me. I needed an object of type "DataModel.QueueObject" and had a reference to "DataModel" so I got the type as follows: Type type = Type.GetType ("DataModel.QueueObject,DataModel"); The second string after the comma is the … WebApr 7, 2024 · To get the System.Type instance for the run-time type of an expression result, use the Object.GetType method. Type testing with the typeof operator Use the typeof operator to check if the run-time type of the expression result exactly matches a given type. cry for the nations/michael schenker group

Convert an object to a type based on the string value passed in C#

WebMar 26, 2014 · private int GetNodeType (NodeDTO node) { switch (node.GetType ()) { case typeof (CasusNodeDTO): return 1; case typeof (BucketNodeDTO): return 3; case typeof (BranchNodeDTO): return 0; case typeof (LeafNodeDTO): return 2; default: return -1; } } I know this doesn't work that way, but I was wondering how you could solve this. WebOct 16, 2009 · To convert from a string, you need to use the static Enum.Parse () method, which takes 3 parameters. The first is the type of enum you want to consider. The syntax is the keyword typeof () followed by the name of the enum class in brackets. Webusing System; namespace CsharpString { class Test { public static void Main(string [] args) { // create string string str = "C# Programming"; Console.WriteLine ("string: " + str); // get length of str int length = str.Length; Console.WriteLine ("Length: "+ length); Console.ReadLine (); } } } Output string: C# Programming Length: 14 cry for the nations 歌詞

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c# - Using PropertyInfo to find out the property type - Stack Overflow

Web17 I have an existing base type and I would like to cast it to a derived type base upon the name of the type as a string, so something like this: public void DoStuffInDerivedType (string derivedName) { (base as Type.GetType (derivedName)).DoThisThing (); } I'm pretty sure this can't be done but would be good to know for sure. Thanks WebJan 4, 2024 · We can check type with typeof operator, is operator, or GetType method. The typeof operator obtains the System.Type instance for a type. The operator checks the … bulk dried flowers for saleWebFor example, you can use the TypeOf…Is construct in Visual Basic or the is keyword in C#. The GetType method is inherited by all types that derive from Object. This means that, … bulk dried cherries

"" - Get type based on string c#

Get type based on string c#

c# - How do I instantiate a class given its string name? - Stack Overflow

WebDec 11, 2015 · Sorted by: 149. There are several ways you can create an object of a certain type on the fly, one is: // determine type here var type = typeof (MyClass); // create an object of the type var obj = (MyClass)Activator.CreateInstance (type); And you'll get an instance of MyClass in obj. Another way is to use reflection: // get type information var ... WebJun 3, 2011 · Assuming your Type.GetType call is working, you can just use: Type type = Type.GetType (objectName); object x = Activator.CreateInstance (type); A few points to note: Type.GetType (string) requires an assembly-qualified name unless the type is either in the currently-executing assembly or mscorlib

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WebFollowing is the method in C# to get the enum value by string /// /// Method to get enumeration value from string value. /// /// /// public T GetEnumValue (string str) where T : struct, IConvertible { if (!typeof (T).IsEnum) { throw new Exception ("T must be an Enumeration type."); WebApr 11, 2024 · Brief overview of C#'s String.Compare method: String.Compare is a built-in method in C# that allows developers to compare two strings and determine their relative order in alphabetical or numerical terms. It returns an integer value that represents the result of the comparison, based on the specified comparison rules and options. Example:

WebDec 10, 2013 · Calling "Type.GetType ()" works for simple types but for generics and other types it doesn't work because the name needs to be qualified. The key, then is to use the code compiler to actually have the C# code engine find and get the type. The following … WebJul 9, 2024 · Function to get type of the value entered in a textbox. Just for fun, I tried creating a function that takes the value entered in a textbox, and determines the type of …

WebSep 16, 2010 · Use PropertyInfo.PropertyType to get the type of the property. public bool ValidateData (object data) { foreach (PropertyInfo propertyInfo in data.GetType ().GetProperties ()) { if (propertyInfo.PropertyType == typeof (string)) { string value = propertyInfo.GetValue (data, null); if value is not OK { return false; } } } return true; } WebSep 15, 2024 · The following code gets the generic type Dictionary in two different ways: by using the Type.GetType(String) method overload with a string describing the type, and by calling the GetGenericTypeDefinition method on the constructed type Dictionary\ (Dictionary(Of String, Example) in Visual Basic).

WebAug 19, 2013 · The as operator performs a cast that returns null if it fails rather than an exception: TypeIKnow typed = unknownObject as TypeIKnow; If you don't know the type and just want runtime type information, use the .GetType () method: Type typeInformation = unknownObject.GetType (); // int is a value type int i = 0; // Prints True for any value of i ...

WebMar 27, 2024 · Let's say I have this class: public class SiteMapEntry { public static enum ChangeFrequency { Always, Hourly, Daily, Weekly, Monthly, Year... cry for the nationsWebJan 2, 2011 · private string GetContentType (string fileName) { string contentType = "application/octetstream"; string ext = System.IO.Path.GetExtension (fileName).ToLower (); Microsoft.Win32.RegistryKey registryKey = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey (ext); if (registryKey != null && … cry for the night by joy in the morningWebJan 8, 2024 · C#. string XmlType = "cXML12024"; // This can be generated dynamically Type t = StringToType (XmlType); Now, all we need to do is use the powerful reflection … cry for the strangers 1982 tvripWebExample: Type Conversion using Parse () In the above example, we have converted a string type to an int type. Here, the Parse () method converts the numeric string 100 to … bulk dried flowers for weddingWebclass Program { static void Main () { var t1 = new TestClass1 (); Console.WriteLine (new SubMember (t1, "SubProperty", "Address").Value); } } This will give you the value contained in the Address property. Just make sure you first add a value to the said property. But should you actually want to change the field of your class into a ... bulk dried flowers with stemsWebApr 21, 2014 · Generics in C#, using type of a variable as parameter [duplicate] (4 answers) Creating a Generic type instance with a variable containing the Type (2 answers) … bulk dried fruits wholesaleWebSep 25, 2011 · You can also call GetField and GetProperty (singular) and pass in a string to have it return a single member matching that name (make sure to check for null). Read these pages for more information on reflection methods of use in this situation: GetProperty GetProperties GetField GetField Share Improve this answer Follow edited Dec 30, 2009 … cry for the weeper p rank