String interpolation is available via dollar sign $, and it makes code much more readable. For example:
var dateMessage = $"Current date is: {DateTime.UtcNow}";
Or a more in-depth example, unrolling SqlParameter nvarchar values
foreach (var item in Parameters)
{
var commaSeparator = sqlStatement.Contains("@") ? "," : "";
sqlStatement = $"{sqlStatement}{commaSeparator}{item.ParameterName} = '{item.Value}'";
}
Happy Coding!