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Modifies an existing DB subnet group. DB subnet groups must contain at least one subnet in at least two AZs in the Amazon Web Services Region.
This is an asynchronous operation using the standard naming convention for .NET 4.5 or higher. For .NET 3.5 the operation is implemented as a pair of methods using the standard naming convention of BeginModifyDBSubnetGroup and EndModifyDBSubnetGroup.
Namespace: Amazon.RDS
Assembly: AWSSDK.RDS.dll
Version: 3.x.y.z
public virtual Task<ModifyDBSubnetGroupResponse> ModifyDBSubnetGroupAsync( ModifyDBSubnetGroupRequest request, CancellationToken cancellationToken )
Container for the necessary parameters to execute the ModifyDBSubnetGroup service method.
A cancellation token that can be used by other objects or threads to receive notice of cancellation.
| Exception | Condition |
|---|---|
| DBSubnetGroupDoesNotCoverEnoughAZsException | Subnets in the DB subnet group should cover at least two Availability Zones unless there is only one Availability Zone. |
| DBSubnetGroupNotFoundException | DBSubnetGroupName doesn't refer to an existing DB subnet group. |
| DBSubnetQuotaExceededException | The request would result in the user exceeding the allowed number of subnets in a DB subnet groups. |
| InvalidSubnetException | The requested subnet is invalid, or multiple subnets were requested that are not all in a common VPC. |
| SubnetAlreadyInUseException | The DB subnet is already in use in the Availability Zone. |
.NET Core App:
Supported in: 3.1
.NET Standard:
Supported in: 2.0
.NET Framework:
Supported in: 4.5