摘要：
<system.webServer> <httpProtocol> <customHeaders> <add name="Access-Control-Allow-Origin" value="*" /> <add name="Access-Control-Allow-Headers" value="Access-Control-Allow-Origin, AppKey, Authorizatio 阅读全文
摘要：
using (var dbcontext = new Entities()) { var objectContext = ((IObjectContextAdapter)dbcontext).ObjectContext; var mappingCollection = (StorageMappingItemCollection)objectContext.MetadataWorkspace.Get 阅读全文
摘要：
new string(input.Where(c => Char.IsLetterOrDigit(c)).ToArray()) 阅读全文