SQL insert from C# - not compiled, just written.

sqlTest.cs

using(var connection = new SqlConnection(ConfigurationManager.ConnectionStrings["connSpionshopString"].ConnectionString))
{
    connection.Open();
    string sql =  "INSERT INTO dbo.Table(userId, imagePath, userComments, dateCommented) VALUES (@userId, @imagePath, @userComments, @dateCommented)";
        SqlCommand cmd = new SqlCommand(sql, connection);
        cmd.Parameters.Add("@userId", SqlDbType.Int).value = userId  
        cmd.Parameters.Add("@imagePath", SqlDbType.Varchar, 50).value = imagePath;
        cmd.Parameters.Add("@userComments", SqlDbType.Varchar, 50).value = userComments;
        cmd.Parameters.Add("@dateCommented", SqlDbType.DateTime).value = dateCommented;
        cmd.CommandType = CommandType.Text;
        cmd.ExecuteNonQuery();
}