Q:

How to Add Tags to Azure Resource from a C# - Web Application

How can I add Tags to an azure resource using C# Code in my ASP.NET Application.
I am trying to create an azure tag management portal.
I found this question  but it is about adding a tag to a resource group . Also that Library seems deprecated. If any one knows how to attach a tag to a Resource, Please help.
Note: (i)I have tried the Azure ServiceManagement API but I see there is no API support for attaching a tag to a resource. (ii) Will powershell Cmdlets a viable option if nothing else works?

A:

If anyone interested in a way to try out through REST API, 
I found this after spying on powershell bound traffic using Fiddler. Note the tag as json-payload.
https://management.azure.com/subscriptions/{subscription-id}/resourceGroups/{resource-group-name}/providers/Microsoft.Compute/virtualMachines/{VM-Name}
PATCH **https://management.azure.com/subscriptions/6dcd{subscrID}e8f/resourceGroups/css-dev/providers/Microsoft.Sql/servers/css-development/databases/css-dev?api-version=2014-04-01 HTTP/1.1**
Authorization: Bearer sDSEsiJKV1QiLCJhbG[<PARTIALLY REMOVED BY KIRAN FOR SECURITY REASON>]XDvZBJG5Jhh0rivehvDS
User-Agent: AzurePowershell/v1.0.0.0
ParameterSetName: Resource that resides at the subscription level.
CommandName: Set-AzureRmResource
Content-Type: application/json; charset=utf-8
Host: management.azure.com
Content-Length: 52
Expect: 100-continue
Connection: Keep-Alive

**{
  "tags": {
    "displayName": "AzureV1"
  }
}**

