404 error while creating Online Meeting using microsoft graph api c# without login into AzureActiveDirectory

I am trying to create Online Meeting using microsoft graph api without login into AzureActiveDirectory with asp.net web application.For this my app has below permissions which are required as per documentation https://docs.microsoft.com/en-us/graph/api/application-post-onlinemeetings?view=graph-rest-1.0&tabs=csharp with client credential auth flow https://docs.microsoft.com/en-us/azure/active-directory/develop/v2-oauth2-client-creds-grant-flow without immediate interaction with a user.I am able to retrive access token successfully as per client-creds-grant-flow.
I tried Micosoft.Graph and Micosoft.Graph.Beta still getting 404 error.

Can not implicitly convert System.Windows.Forms.Form to ‘String’

Hey so I have a modal popup form where I have to upload files and post data to the database. In the controller I’m retrieving the values by FormCollection. When I try to get the input fields with form collection i get this error : Can not implicitly convert System.Windows.Forms.Form to ‘String’. Here is my code:

ASP.NET Core 3.1 get method body breaks the request

Issue happened on ASP.NET Core 3.1 Web API controller. I have a method in controller with [HttpGet] attribute and [FromBody] for only parameter: [HttpGet] public async Task<ActionResult> GetMessages([FromBody] MessageRM messagesRequest) This method expects to receive a request model: public class MessageRM { public int RegionID { get; set; } public int? LastMessageID { get; set; … Read more