http://duoduokou.com/csharp/39767087418262716108.html WebFeb 12, 2024 · A Type Mapper is a class that implements ITypeMap. Dapper already provides one implementation for that via the CustomPropertyTypeMap class: The CustomPropertyTypeMap class needs two parameters....

How do I map lists of nested objects with Dapper

WebJan 18, 2012 · Please note that my column names in the table are different from the property name of the class to which I am trying to map the data which I got from the query result. var sql = @"select top 1 PersonId,FirstName,LastName from Person"; using (var conn = ConnectionFactory.GetConnection ()) { var person = conn.Query (sql).ToList (); … WebJul 9, 2024 · The solution is to do something like this. You need to add the return type of the query to dynamic and then cast each row into an IDictionary. Once you do that, you'll be able to get the value for your query by key like so: how to spell young

C# Dapper QueryMultiple（多对多）中首次选择的访问结果_C#_.net_Dapper …

WebNov 20, 2015 · We need to create a local dictionary and iterate over that collection. var myDictionary = new Dictionary (); IEnumerable myCollection = new List (); foreach (var item in myCollection) { // This might be fun if you get two of the same object in the collection. WebFeb 28, 2012 · 3 Answers Sorted by: 166 Yes: var dbArgs = new DynamicParameters (); foreach (var pair in args) dbArgs.Add (pair.Key, pair.Value); Then pass dbArgs in place of args: var stuff = connection.Query (query, dbArgs); Alternatively, you can write your own class that implements IDynamicParameters. WebFeb 24, 2024 · Description. The multi-result is the ability to map a single query to multiple objects. It is useful when you need to select data from multiple tables or when you need … re2 third medallion