// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002801/sqlparametercollection-addrangewithvalue

​

// @nuget: Z.ExtensionMethods

​

using System;

using System.Collections.Generic;

using System.Data.SqlClient;

public class Program

{

    public static void Main()

    {

        const string sql = @"SELECT 1 As IntColumn WHERE @Value1 = 1 AND @Value2 = 2";

        var dict = new Dictionary<string, object> {{"@Value1", 1}, {"@Value2", 2}};

        using (var conn = new SqlConnection(FiddleHelper.GetConnectionStringSqlServer()))

        {

            using (SqlCommand cmd = conn.CreateCommand())

            {

                conn.Open();

               cmd.CommandText = sql;

                //C# Extension Method: SqlParameterCollection - AddRangeWithValue

                cmd.Parameters.AddRangeWithValue(dict);

                var result = cmd.ExecuteScalarAs<int>();

​

                Console.WriteLine(result);

            }

        }

    }

}