WebComboBox text and value - C# , VB.Net. The following program demonstrates how to add Text and Value to an Item of a ComboBox without using any Binding DataSource. In … WebIn C#, you can use the App.config file to store array or list-like data using the appSettings section. Here's an example of how to do it: In the App.config file, add a new appSettings section if it doesn't already exist. This section should contain one or more key-value pairs, where the key is the name of the item and the value is the data you ...
c# - How do I get the list of keys in a Dictionary? - Stack Overflow
WebJun 27, 2011 · Of course you can use a dictionary as a sequence of key/value pairs, so you could have: var keysForValues = dictionary.Where (pair => values.Contains (pair.Value)) .Select (pair => pair.Key); Just be aware this will be an O (n) operation, even if your "values" is a HashSet or something similar (with an efficient containment check). WebJan 6, 2016 · You can access the keys in your dictionary by using the IDictionary.Keys property which returns an ICollection of your keys. For your example you would do … how to create 3d print files of city
c# - How do I get the list of keys in a Dictionary? - Stack …
WebHow to add Text and Value in combobox Now the first part is over, next is to retrieve these keys and values from the Combobox. C# string key = ( (KeyValuePair)comboBox1.SelectedItem).Key; string value = ( (KeyValuePair)comboBox1.SelectedItem).Value; VB.Net WebAug 11, 2015 · there can ba multiple values that match the condition - Dictionary dict = new Dictionary(); dict.Add(1, 392.3m); dict.Add(2, 612m); … WebDec 9, 2015 · The below query will give us an IENumerable collection (collection within a collection) of email addresses. var emails = lstOfDict.Where (d => d.ContainsKey … how to create 3d pictures