custom web api crud operations in sharepoint online in c# code without js and jquery is it possible

Question

Hi @ZhengyuGuo can please help
custom web Api which Do CRUD operations in SharePoint online in C# code without js and jQuery is it possible or is it or not be so please let me know about it or with example it will be so great full of you

Answer 1

Sharepoint online supports a rest api callable from any language:

https://learn.microsoft.com/en-us/sharepoint/dev/sp-add-ins/complete-basic-operations-using-sharepoint-rest-endpoints

Answer 2

Hi @prashant sharma ,

According to my research and testing, you can use C# with REST API, here is an example about how to use C# make GET request:

HttpWebRequest endpointRequest =  
  (HttpWebRequest)HttpWebRequest.Create(  
  "http://<site url>/_api/web/lists");  
endpointRequest.Method = "GET";  
endpointRequest.Accept = "application/json;odata=verbose";  
endpointRequest.Headers.Add("Authorization",  
  "Bearer " + accessToken);  
HttpWebResponse endpointResponse =  
  (HttpWebResponse)endpointRequest.GetResponse();  

More information for reference: Complete basic operations using SharePoint REST endpoints

Hope it can help you. Thanks for your understanding.

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