IsNullOrEmpty

90 references to IsNullOrEmpty

Microsoft.AspNetCore.Authentication.Cookies (1)

src\Shared\ChunkingCookieManager\ChunkingCookieManager.cs (1)

277if (!StringValues.IsNullOrEmpty(existingValues))

Microsoft.AspNetCore.Authentication.Negotiate (1)

NegotiateHandler.cs (1)

99if (StringValues.IsNullOrEmpty(authorizationHeader))

Microsoft.AspNetCore.Authentication.OAuth (4)

OAuthHandler.cs (4)

83if (!StringValues.IsNullOrEmpty(error)) 109if (!StringValues.IsNullOrEmpty(errorDescription)) 113if (!StringValues.IsNullOrEmpty(errorUri)) 128if (StringValues.IsNullOrEmpty(code))

Microsoft.AspNetCore.Authentication.Twitter (3)

TwitterHandler.cs (3)

73if (!StringValues.IsNullOrEmpty(denied)) 85if (StringValues.IsNullOrEmpty(returnedToken)) 96if (StringValues.IsNullOrEmpty(oauthVerifier))

Microsoft.AspNetCore.Components.WebAssembly.Server (1)

ContentEncodingNegotiator.cs (1)

43if (StringValues.IsNullOrEmpty(accept))

Microsoft.AspNetCore.CookiePolicy.Test (1)

src\Shared\ChunkingCookieManager\ChunkingCookieManager.cs (1)

277if (!StringValues.IsNullOrEmpty(existingValues))

Microsoft.AspNetCore.Cors (1)

Infrastructure\CorsService.cs (1)

224if (StringValues.IsNullOrEmpty(origin))

Microsoft.AspNetCore.HeaderPropagation (2)

HeaderPropagationMessageHandler.cs (1)

65!StringValues.IsNullOrEmpty(stringValues))

HeaderPropagationMiddleware.cs (1)

59if (!StringValues.IsNullOrEmpty(value))

Microsoft.AspNetCore.Http (1)

Internal\ResponseCookies.cs (1)

146if (!StringValues.IsNullOrEmpty(existingValues))

Microsoft.AspNetCore.Http.Abstractions (4)

Internal\HeaderSegmentCollection.cs (1)

35return (!StringValues.IsNullOrEmpty(_headers) ? _headers.GetHashCode() : 0);

Internal\ParsingHelpers.cs (2)

54if (StringValues.IsNullOrEmpty(value)) 92if (!values.HasValue || StringValues.IsNullOrEmpty(values.GetValueOrDefault()))

QueryString.cs (1)

151if (StringValues.IsNullOrEmpty(pair.Value))

Microsoft.AspNetCore.Http.Connections (3)

Internal\HttpConnectionDispatcher.cs (3)

70if (!StringValues.IsNullOrEmpty(connectionToken)) 777if (StringValues.IsNullOrEmpty(connectionToken)) 806if (StringValues.IsNullOrEmpty(connectionToken))

Microsoft.AspNetCore.Http.Extensions (2)

HeaderDictionaryTypeExtensions.cs (2)

173if (StringValues.IsNullOrEmpty(headerValue)) 231if (StringValues.IsNullOrEmpty(values))

Microsoft.AspNetCore.Http.Results (1)

src\Shared\RangeHelper\RangeHelper.cs (1)

41if (StringValues.IsNullOrEmpty(rawRangeHeader))

Microsoft.AspNetCore.HttpOverrides (1)

CertificateForwardingMiddleware.cs (1)

50if (!StringValues.IsNullOrEmpty(header))

Microsoft.AspNetCore.Mvc.Core (2)

src\Shared\ChunkingCookieManager\ChunkingCookieManager.cs (1)

277if (!StringValues.IsNullOrEmpty(existingValues))

src\Shared\RangeHelper\RangeHelper.cs (1)

41if (StringValues.IsNullOrEmpty(rawRangeHeader))

Microsoft.AspNetCore.Mvc.Cors (3)

CorsAuthorizationFilter.cs (1)

92&& !StringValues.IsNullOrEmpty(accessControlRequestMethod))

CorsHttpMethodActionConstraint.cs (1)

35!StringValues.IsNullOrEmpty(accessControlRequestMethod))

DisableCorsAuthorizationFilter.cs (1)

32!StringValues.IsNullOrEmpty(accessControlRequestMethod))

Microsoft.AspNetCore.OutputCaching.Tests (1)

OutputCacheMiddlewareTests.cs (1)

543Assert.True(StringValues.IsNullOrEmpty(context.HttpContext.Response.Headers.Date));

Microsoft.AspNetCore.RequestDecompression (1)

DefaultRequestDecompressionProvider.cs (1)

34if (StringValues.IsNullOrEmpty(encodings))

Microsoft.AspNetCore.ResponseCaching (11)

ResponseCachingKeyProvider.cs (2)

85if (StringValues.IsNullOrEmpty(varyByRules.Headers) && StringValues.IsNullOrEmpty(varyByRules.QueryKeys))

ResponseCachingMiddleware.cs (6)

270if (!StringValues.IsNullOrEmpty(varyHeaders) || !StringValues.IsNullOrEmpty(varyQueryKeys)) 347if (!response.ContentLength.HasValue && StringValues.IsNullOrEmpty(response.Headers.TransferEncoding)) 433if (!StringValues.IsNullOrEmpty(ifNoneMatchHeader)) 442if (!StringValues.IsNullOrEmpty(cachedResponseHeaders.ETag) 460if (!StringValues.IsNullOrEmpty(ifModifiedSince))

ResponseCachingPolicyProvider.cs (3)

24if (!StringValues.IsNullOrEmpty(request.Headers.Authorization)) 39if (!StringValues.IsNullOrEmpty(cacheControl)) 94if (!StringValues.IsNullOrEmpty(response.Headers.SetCookie))

Microsoft.AspNetCore.ResponseCompression (1)

ResponseCompressionProvider.cs (1)

81if (StringValues.IsNullOrEmpty(accept))

Microsoft.AspNetCore.Routing (4)

Matching\HttpMethodMatcherPolicy.cs (2)

121!StringValues.IsNullOrEmpty(accessControlRequestMethod)) 427!StringValues.IsNullOrEmpty(accessControlRequestMethod);

Matching\NegotiationMatcherPolicy.cs (2)

85if (StringValues.IsNullOrEmpty(header) || 403if (StringValues.IsNullOrEmpty(header) ||

Microsoft.AspNetCore.Server.HttpSys (2)

RequestProcessing\Request.cs (1)

507if (StringValues.IsNullOrEmpty(Headers.ContentLength)) { return; }

src\Shared\HttpSys\RequestProcessing\HeaderCollection.cs (1)

77if (StringValues.IsNullOrEmpty(value))

Microsoft.AspNetCore.Server.HttpSys.FunctionalTests (4)

RequestHeaderTests.cs (3)

28Assert.False(StringValues.IsNullOrEmpty(requestHeaders["Host"])); 29Assert.True(StringValues.IsNullOrEmpty(requestHeaders["Accept"])); 45Assert.False(StringValues.IsNullOrEmpty(requestHeaders["Host"]));

ResponseTrailersTests.cs (1)

329if (StringValues.IsNullOrEmpty(expectedValue))

Microsoft.AspNetCore.Server.IIS (1)

src\Shared\HttpSys\RequestProcessing\HeaderCollection.cs (1)

77if (StringValues.IsNullOrEmpty(value))

Microsoft.AspNetCore.Server.IISIntegration (2)

IISMiddleware.cs (2)

138if (!StringValues.IsNullOrEmpty(header)) 174if (!StringValues.IsNullOrEmpty(tokenHeader)

Microsoft.AspNetCore.Server.Kestrel.Core (21)

Internal\Http\HttpHeaders.Generated.cs (12)

Internal\Http\HttpProtocol.cs (1)

1338if (ex is Microsoft.AspNetCore.Server.Kestrel.Core.BadHttpRequestException kestrelEx && !StringValues.IsNullOrEmpty(kestrelEx.AllowedHeader))

Internal\Http2\Http2Stream.cs (7)

264if (!StringValues.IsNullOrEmpty(HttpRequestHeaders.HeaderProtocol)) 267if (StringValues.IsNullOrEmpty(HttpRequestHeaders.HeaderScheme) || StringValues.IsNullOrEmpty(HttpRequestHeaders.HeaderPath)) 276else if (!StringValues.IsNullOrEmpty(HttpRequestHeaders.HeaderScheme) || !StringValues.IsNullOrEmpty(HttpRequestHeaders.HeaderPath)) 287else if (!StringValues.IsNullOrEmpty(HttpRequestHeaders.HeaderProtocol)) 379if (!StringValues.IsNullOrEmpty(authority))

Internal\Http3\Http3Stream.cs (1)

1100if (!StringValues.IsNullOrEmpty(authority))

Microsoft.AspNetCore.Shared.Tests (1)

src\Shared\HttpSys\RequestProcessing\HeaderCollection.cs (1)

77if (StringValues.IsNullOrEmpty(value))

Microsoft.AspNetCore.SignalR.StackExchangeRedis.Tests (1)

Startup.cs (1)

45if (!StringValues.IsNullOrEmpty(userNameHeader))

Microsoft.AspNetCore.StaticAssets (1)

src\Shared\RangeHelper\RangeHelper.cs (1)

41if (StringValues.IsNullOrEmpty(rawRangeHeader))

Microsoft.AspNetCore.StaticFiles (1)

src\Shared\RangeHelper\RangeHelper.cs (1)

41if (StringValues.IsNullOrEmpty(rawRangeHeader))

Microsoft.AspNetCore.StaticFiles.FunctionalTests (1)

src\Shared\RangeHelper\RangeHelper.cs (1)

41if (StringValues.IsNullOrEmpty(rawRangeHeader))

Microsoft.AspNetCore.WebSockets (1)

WebSocketMiddleware.cs (1)

70if (!StringValues.IsNullOrEmpty(originHeader) && webSocketFeature.IsWebSocketRequest)

Microsoft.Net.Http.Headers (2)

HeaderUtilities.cs (2)

234if (StringValues.IsNullOrEmpty(headerValues) || string.IsNullOrEmpty(targetValue)) 291if (StringValues.IsNullOrEmpty(cacheControlDirectives) || string.IsNullOrEmpty(targetDirectives))

SignalR.Client.FunctionalTestApp (3)

Startup.cs (3)

123if (!StringValues.IsNullOrEmpty(originHeader)) 130if (!StringValues.IsNullOrEmpty(requestMethod)) 136if (!StringValues.IsNullOrEmpty(requestHeaders))