System AccessViolationException The exception that is thrown when there is an attempt to read or write protected memory.
ApplicationException The exception that is thrown when a non-fatal application error occurs.
ArithmeticException The exception that is thrown for errors in an arithmetic, casting, or conversion operation.
DivideByZeroException The exception that is thrown when there is an attempt to divide an integral or decimal value by zero.
FormatException The exception that is thrown when the format of an argument does not meet the parameter specifications of the invoked method.
IndexOutOfRangeException The exception that is thrown when an attempt is made to access an element of an array with an index that is outside the bounds of the array. This class cannot be inherited.
InsufficientMemoryException The exception that is thrown when a check for sufficient available memory fails. This class cannot be inherited.
InvalidCastException The exception that is thrown for invalid casting or explicit conversion.
InvalidOperationException The exception that is thrown when a method call is invalid for the object’s current state.
NullReferenceException The exception that is thrown when there is an attempt to dereference a null object reference.
OutOfMemoryException The exception that is thrown when there is not enough memory to continue the execution of a program.
StackOverflowException The exception that is thrown when the execution stack overflows because it contains too many nested method calls. This class cannot be inherited.
TimeoutException The exception that is thrown when the time allotted for a process or operation has expired.
UnauthorizedAccessException The exception that is thrown when the operating system denies access because of an I/O error or a specific type of security error.
System.Collections.Generic KeyNotFoundException The exception that is thrown when the key specified for accessing an element in a collection does not match any key in the collection.
System.IO DirectoryNotFoundException The exception that is thrown when part of a file or directory cannot be found.
DriveNotFoundException The exception that is thrown when trying to access a drive or share that is not available.
EndOfStreamException The exception that is thrown when reading is attempted past the end of a stream.
FileLoadException The exception that is thrown when a managed assembly is found but cannot be loaded.
FileNotFoundException The exception that is thrown when an attempt to access a file that does not exist on disk fails.
IOException The exception that is thrown when an I/O error occurs.
PathTooLongException The exception that is thrown when a pathname or filename is longer than the system-defined maximum length.
System.IO.IsolatedStorage IsolatedStorageException The exception that is thrown when an operation in isolated storage fails.
System.Reflection AmbiguousMatchException The exception that is thrown when binding to a member results in more than one member matching the binding criteria. This class cannot be inherited.
CustomAttributeFormatException The exception that is thrown when the binary format of a custom attribute is invalid.
InvalidFilterCriteriaException The exception that is thrown in when the filter criteria is not valid for the type of filter you are using.
MetadataException ReflectionTypeLoadException The exception that is thrown by the method if any of the classes in a module cannot be loaded. This class cannot be inherited.
TargetException Represents the exception that is thrown when an attempt is made to invoke an invalid target.
TargetInvocationException The exception that is thrown by methods invoked through reflection. This class cannot be inherited.
TargetParameterCountException The exception that is thrown when the number of parameters for an invocation does not match the number expected. This class cannot be inherited.
System.Resources MissingManifestResourceException The exception thrown if the main assembly does not contain the resources for the neutral culture, and they are required because of a missing appropriate satellite assembly.
MissingSatelliteAssemblyException The exception that is thrown when the satellite assembly for the resources of the neutral culture is missing.
System.Runtime.CompilerServices RuntimeWrappedException Wraps an exception that does not derive from the class. This class cannot be inherited.
System.Runtime.InteropServices COMException The exception that is thrown when an unrecognized HRESULT is returned from a COM method call.
ExternalException The base exception type for all COM interop exceptions and structured exception handling (SEH) exceptions.
InvalidComObjectException The exception thrown when an invalid COM object is used.
InvalidOleVariantTypeException The exception thrown by the marshaler when it encounters an argument of a variant type that can not be marshaled to managed code.
MarshalDirectiveException The exception that is thrown by the marshaler when it encounters a it does not support.
SafeArrayRankMismatchException The exception thrown when the rank of an incoming SAFEARRAY does not match the rank specified in the managed signature.
SafeArrayTypeMismatchException The exception thrown when the type of the incoming SAFEARRAY does not match the type specified in the managed signature.
SEHException Represents Structured Exception Handler (SEH) errors.
System.Runtime.Remoting RemotingException The exception that is thrown when something has gone wrong during remoting.
RemotingTimeoutException The exception that is thrown when the server or the client cannot be reached for a previously specified period of time.
ServerException The exception that is thrown to communicate errors to the client when the client connects to non-.NET Framework applications that cannot throw exceptions.
System.Runtime.Serialization SerializationException The exception thrown when an error occurs during serialization or deserialization.
System.Security HostProtectionException The exception that is thrown when a denied host resource is detected.
SecurityException The exception that is thrown when a security error is detected.
VerificationException The exception that is thrown when the security policy requires code to be type safe and the verification process is unable to verify that the code is type safe.
XmlSyntaxException The exception that is thrown when there is a syntax error in XML parsing. This class cannot be inherited.
System.Security.AccessControl PrivilegeNotHeldException The exception that is thrown when a method in the namespace attempts to enable a privilege that it does not have.
System.Security.Cryptography CryptographicException The exception that is thrown when an error occurs during a cryptographic operation.
CryptographicUnexpectedOperationException The exception that is thrown when an unexpected operation occurs during a cryptographic operation.
System.Security.Policy PolicyException The exception that is thrown when policy forbids code to run.
System.Security.Principal IdentityNotMappedException Represents an exception for a principal whose identity could not be mapped to a known identity.
System.Text DecoderFallbackException The exception that is thrown when a decoder fallback operation fails. This class cannot be inherited.
EncoderFallbackException The exception that is thrown when an encoder fallback operation fails. This class cannot be inherited.
System.Threading AbandonedMutexException The exception that is thrown when one thread acquires a object that another thread has abandoned by exiting without releasing it.
SynchronizationLockException The exception that is thrown when a method requires the caller to own the lock on a given Monitor, and the method is invoked by a caller that does not own that lock.
ThreadAbortException The exception that is thrown when a call is made to the method. This class cannot be inherited.
ThreadInterruptedException The exception that is thrown when a is interrupted while it is in a waiting state.
ThreadStartException The exception that is thrown when a failure occurs in a managed thread after the underlying operating system thread has been started, but before the thread is ready to execute user code.
ThreadStateException The exception that is thrown when a is in an invalid for the method call.
WaitHandleCannotBeOpenedException The exception that is thrown when an attempt is made to open a system mutex or semaphore that does not exist.
System.AddIn.dll Microsoft.Contracts Contract+AssertionException Contract+AssumptionException Contract+InvariantException Contract+PostconditionException Contract+PreconditionException
System.AddIn.Hosting AddInBaseInAddInFolderException AddInSegmentDirectoryNotFoundException InvalidPipelineStoreException
System.AddIn.MiniReflection GenericsNotImplementedException
System.Configuration.dll System.Configuration ConfigurationErrorsException The current value is not one of the values.
System.Configuration.Provider ProviderException The exception that is thrown when a configuration provider error has occurred. This exception class is also used by providers to throw exceptions when internal errors occur within the provider that do not map to other pre-existing exception classes.
System.Configuration.Install.dll System.Configuration.Install InstallException The exception that is thrown when an error occurs during the commit, rollback, or uninstall phase of an installation.
System.Data.dll <CrtImplementationDetails> ModuleLoadException ModuleLoadExceptionHandlerException
Microsoft.SqlServer.Server InvalidUdtException Thrown when SQL Server or the ADO.NET provider detects an invalid user-defined type (UDT).
System.Data ConstraintException Represents the exception that is thrown when attempting an action that violates a constraint.
DataException Represents the exception that is thrown when errors are generated using ADO.NET components.
DBConcurrencyException The exception that is thrown by the during an insert, update, or delete operation if the number of rows affected equals zero.
DeletedRowInaccessibleException Represents the exception that is thrown when an action is tried on a that has been deleted.
DuplicateNameException Represents the exception that is thrown when a duplicate database object name is encountered during an add operation in a -related object.
EvaluateException Represents the exception that is thrown when the property of a cannot be evaluated.
InRowChangingEventException Represents the exception that is thrown when you call the method within the event.
InvalidConstraintException Represents the exception that is thrown when incorrectly trying to create or access a relation.
InvalidExpressionException Represents the exception that is thrown when you try to add a that contains an invalid to a .
MissingPrimaryKeyException Represents the exception that is thrown when you try to access a row in a table that has no primary key.
NoNullAllowedException Represents the exception that is thrown when you try to insert a null value into a column where is set to false.
OperationAbortedException This exception is thrown when an ongoing operation is aborted by the user.
ReadOnlyException Represents the exception that is thrown when you try to change the value of a read-only column.
RowNotInTableException Represents the exception that is thrown when you try to perform an operation on a that is not in a .
StrongTypingException The exception that is thrown by a strongly typed when the user accesses a DBNull value.
SyntaxErrorException Represents the exception that is thrown when the property of a contains a syntax error.
TypedDataSetGeneratorException The exception that is thrown when a name conflict occurs while generating a strongly typed .
VersionNotFoundException Represents the exception that is thrown when you try to return a version of a that has been deleted.
System.Data.Common DbException The base class for all exceptions thrown on behalf of the data source.
System.Data.Odbc OdbcException The exception that is generated when a warning or error is returned by an ODBC data source. This class cannot be inherited.
System.Data.OleDb OleDbException The exception that is thrown when the underlying provider returns a warning or error for an OLE DB data source. This class cannot be inherited.
System.Data.SqlClient SqlException The exception that is thrown when SQL Server returns a warning or error. This class cannot be inherited.
System.Data.SqlTypes SqlAlreadyFilledException The class is not intended for use as a stand-alone component, but as a class from which other classes derive standard functionality.
SqlNotFilledException The class is not intended for use as a stand-alone component, but as a class from which other classes derive standard functionality.
SqlNullValueException The exception that is thrown when the Value property of a structure is set to null.
SqlTruncateException The exception that is thrown when you set a value into a structure would truncate that value.
SqlTypeException The base exception class for the .
System.Drawing.dll System.Drawing.Printing InvalidPrinterException Represents the exception that is thrown when you try to access a printer using printer settings that are not valid.
System.DirectoryServices.dll System.DirectoryServices DirectoryServicesCOMException Contains extended error information about an error that occurred when the method is called.
System.DirectoryServices.ActiveDirectory ActiveDirectoryObjectExistsException The class exception is thrown when an Active Directory Domain Services object is created and that object already exists in the underlying directory store.
ActiveDirectoryObjectNotFoundException The class exception is thrown when a requested object is not found in the underlying directory store.
ActiveDirectoryOperationException The class exception is thrown when an underlying directory operation fails.
ActiveDirectoryServerDownException The class exception is thrown when a server is unavailable to respond to a service request.
ForestTrustCollisionException The class exception is thrown when a trust collision occurs during a trust relationship management request.
SyncFromAllServersOperationException The exception is thrown when the request to synchronize from all servers fails.
System.Management.dll System.Management ManagementException Represents management exceptions.
System.Messaging.dll System.Messaging MessageQueueException The exception that is thrown if a Microsoft Message Queuing internal error occurs.
System.ServiceProcess.dll System.ServiceProcess TimeoutException The exception that is thrown when a specified timeout has expired.
System.Web.dll System.Web HttpCompileException The exception that is thrown when a compiler error occurs.
HttpException Describes an exception that occurred during the processing of HTTP requests.
HttpParseException The exception that is thrown when a parse error occurs.
HttpRequestValidationException The exception that is thrown when a potentially malicious input string is received from the client as part of the request data. This class cannot be inherited.
HttpUnhandledException The exception that is thrown when a generic exception occurs.
System.Web.Caching DatabaseNotEnabledForNotificationException The exception that is thrown when a SQL Server database is not enabled to support dependencies associated with the class. This class cannot be inherited.
TableNotEnabledForNotificationException The exception that is thrown when a class is used against a database table that is not enabled for change notifications.
System.Web.Hosting HostingEnvironmentException
System.Web.Management SqlExecutionException Defines a class for SQL execution exceptions in the namespace.
System.Web.Security MembershipCreateUserException The exception that is thrown when a user is not successfully created by a membership provider.
MembershipPasswordException The exception that is thrown when a password cannot be retrieved from the password store.
System.Web.UI ViewStateException Represents the exception that is thrown when the view state cannot be loaded or validated. This class cannot be inherited.
System.Windows.Forms.dll System.Windows.Forms AxHost+InvalidActiveXStateException
System.Design.dll System.ComponentModel.Design ExceptionCollection Represents the collection of exceptions.
System.ComponentModel.Design.Serialization CodeDomSerializerException The exception that is thrown when line number information is available for a serialization error.
System.Data.Design DataSourceGeneratorException DataSourceSerializationException InternalException NameValidationException TypedDataSetGeneratorException The exception that is thrown when a name conflict occurs while a strongly typed is being generated.
System.Xml.dll System.Xml XmlException Returns detailed information about the last exception.
System.Xml.Schema UpaException XmlSchemaException Returns detailed information about the schema exception.
XmlSchemaInferenceException Returns information about errors encountered by the class while inferring a schema from an XML document.
XmlSchemaValidationException Represents the exception thrown when XML Schema Definition Language (XSD) schema validation errors and warnings are encountered in an XML document being validated.
System.Xml.XPath XPathException Provides the exception thrown when an error occurs while processing an XPath expression.
System.Xml.Xsl XsltCompileException The exception that is thrown by the Load method when an error is found in the XSLT style sheet.
XsltException The exception that is thrown when an error occurs while processing an XSLT transformation.
System.dll System UriFormatException The exception that is thrown when an invalid Uniform Resource Identifier (URI) is detected.
System.ComponentModel InvalidAsynchronousStateException Thrown when a thread on which an operation should execute no longer exists or has no message loop.
InvalidEnumArgumentException The exception thrown when using invalid arguments that are enumerators.
LicenseException Represents the exception thrown when a component cannot be granted a license.
WarningException Specifies an exception that is handled as a warning instead of an error.
Win32Exception Throws an exception for a Win32 error code.
System.ComponentModel.Design CheckoutException The exception that is thrown when an attempt to check out a file that is checked into a source code management program is canceled or fails.
System.Configuration ConfigurationException The exception that is thrown when a configuration system error has occurred.
SettingsPropertyIsReadOnlyException Provides an exception for read-only objects.
SettingsPropertyNotFoundException Provides an exception for objects that are not found.
SettingsPropertyWrongTypeException Provides an exception that is thrown when an invalid type is used with a object.
System.IO InternalBufferOverflowException The exception thrown when the internal buffer overflows.
InvalidDataException The exception that is thrown when a data stream is in an invalid format.
System.Net CookieException The exception that is thrown when an error is made adding a to a .
HttpListenerException The exception that is thrown when an error occurs processing an HTTP request.
InternalException ProtocolViolationException The exception that is thrown when an error is made while using a network protocol.
WebException The exception that is thrown when an error occurs while accessing the network through a pluggable protocol.
System.Net.Mail SmtpException Represents the exception that is thrown when the is not able to complete a or operation.
SmtpFailedRecipientException Represents the exception that is thrown when the is not able to complete a or operation to a particular recipient.
SmtpFailedRecipientsException The exception that is thrown when e-mail is sent using an and cannot be delivered to all recipients.
System.Net.NetworkInformation NetworkInformationException The exception that is thrown when an error occurs while retrieving network information.
PingException The exception that is thrown when a or method calls a method that throws an exception.
System.Net.Sockets SocketException The exception that is thrown when a socket error occurs.
System.Security.Authentication AuthenticationException The exception that is thrown when authentication fails for an authentication stream.
InvalidCredentialException The exception that is thrown when authentication fails for an authentication stream and cannot be retried.
System.Threading SemaphoreFullException The exception that is thrown when the method is called on a semaphore whose count is already at the maximum.
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