How to map to a Dictionary object from database results using Dapper Dot Net?

Question

If I have a simple query such as:

string sql = \"SELECT UniqueString, ID  FROM Table\";

and I want to map it to a dictionary object such as

Answer 1

If you are using > .net 4.7 or netstandard2 you can use value tuples. the code is nice and terse and there is no use of dynamics.

var sql = "SELECT UniqueString, Id  FROM Table";
var dict = conn.Query<(string UniqueString, int Id)>(sql)
           .ToDictionary(t => t.UniqueString,t => t.Id);