WebNov 17, 2009 · If you would want to check if a nullable type is 'numeric' using this method, you can use: var type = o.GetType ().GetEnumUnderlyingType () ?? o.GetType (); Then … WebJan 4, 2024 · In C#, every variable and expression has a type. A type is a set of values and the allowable operations on those values. A type stores the following information: …

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WebOct 25, 2013 · List acceptedTypes = new List () {typeof (string), typeof (int), typeof (long)}; var stringTypeToCheck = "this is a string type"; var intTypeToCheck = 123; var guidToCheck = Guid.NewGuid (); if (!acceptedTypes.Contains (typeof (stringTypeToCheck.GetType ()))) throw new ArgumentException ("incorrect type"); WebOne way to cast safely is to check the type using is and then cast. The problem with this method is that input is accessed twice. if (input is string ) { string text = ( string )input; } … dr brittany bobovnyik youngstown ohio

check the type of variable in C# code example

WebJul 2, 2024 · What is a value type in C#? Value type variables can be assigned a value directly. They are derived from the class System. ValueType. The value types directly contain data. Some examples are int, char, and float, which stores numbers, alphabets, and floating point numbers, respectively. Is date value type or reference type? WebSep 27, 2024 · Both typeof and GetType () method are used to get the type in C#. The is operator is called runtime type identification, is operator is used to check if an object can … WebOct 16, 2012 · Viorel's method here is clearly the solution. To check if a floating point number is in fact an integer you simply need to see if it is equal to itself when truncated to an integer. This check is quick, easy, and performant. dr brittany brand/volcanologist