Retrieve data from Sql server data table column to xml file

Find below steps:

Add JSON.NET library from Nuget package manager and add namespace in your code file.

Then add following code:

string json = @"[{"Subscriptions":{"UsersDetails":{"SubscriptionsScope":{"ImportTenant":"https://Bondariprojectonline.sharepoint.com",
"ImportEnvironment":"https://Bondariprojectonline.sharepoint.com",
"ExportTenant":"https://Bondariprojectonline.sharepoint.com/sites/pwa",
"ExportEnvironment":"https://Bondariprojectonline.sharepoint.com"}}}}]";
XmlDocument doc = (XmlDocument)JsonConvert.DeserializeXmlNode(json);
doc.Save("your path" );