Sample combine URI in c#

Uris.cs

using System;

namespace Namespace
{
    /// <summary>
    /// Uri helpers
    /// </summary>
    public static class Uris
    {
        /// <summary>
        /// Create a new Uri based on base uri and relative path 
        /// </summary>
        public static Uri Create(string baseUri, string relativePath)=>
            Uri.TryCreate(new Uri(baseUri), relativePath, out var combinedUri) 
              ? combinedUri
              : throw new Exception($"Could not combine base uri : {baseUri} with relative path: {relativePath}");
    }
}