.NET (v3): Add Hello RDS example (#5029)

.doc_gen/metadata/rds_metadata.yaml

@@ -1,4 +1,21 @@
 # zexi 0.4.0
+rds_Hello:
+  title: Hello &RDS;
+  title_abbrev: Hello &RDS;
+  synopsis: get started using &RDS;.
+  category: Hello
+  languages:
+    .NET:
+      versions:
+        - sdk_version: 3
+          github: dotnetv3/RDS
+          sdkguide:
+          excerpts:
+            - description:
+              snippet_tags:
+                - RDS.dotnetv3.HelloRds
+  services:
+    rds: {DescribeDBInstances}
 rds_CreateDBInstance:
   title: Create an &RDS; DB instance using an &AWS; SDK
   title_abbrev: Create a DB instance

dotnetv3/RDS/Actions/HelloRDS.cs

@@ -0,0 +1,38 @@
+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier:  Apache-2.0
+
+// snippet-start:[RDS.dotnetv3.HelloRds]
+using System;
+using System.Threading.Tasks;
+using Amazon.RDS;
+using Amazon.RDS.Model;
+
+namespace RDSActions;
+
+public static class HelloRds
+{
+    static async Task Main(string[] args)
+    {
+        var rdsClient = new AmazonRDSClient();
+
+        Console.WriteLine($"Hello Amazon RDS! Following are some of your DB instances:");
+        Console.WriteLine();
+
+        // You can use await and any of the async methods to get a response.
+        // Let's get the first twenty DB instances.
+        var response = await rdsClient.DescribeDBInstancesAsync(
+            new DescribeDBInstancesRequest()
+            {
+                MaxRecords = 20 // Must be between 20 and 100.
+            });
+
+        foreach (var instance in response.DBInstances)
+        {
+            Console.WriteLine($"\tDB name: {instance.DBName}");
+            Console.WriteLine($"\tArn: {instance.DBInstanceArn}");
+            Console.WriteLine($"\tIdentifier: {instance.DBInstanceIdentifier}");
+            Console.WriteLine();
+        }
+    }
+}
+// snippet-end:[RDS.dotnetv3.HelloRds]

dotnetv3/RDS/Actions/RDSActions.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 

dotnetv3/RDS/README.md

@@ -1,4 +1,4 @@
-<!--Generated by WRITEME on 2023-04-25 16:09:00.097747 (UTC)-->
+<!--Generated by WRITEME on 2023-07-06 16:04:14.208448 (UTC)-->
 # Amazon RDS code examples for the SDK for .NET
 
 ## Overview
@@ -30,6 +30,11 @@ For prerequisites, see the [README](../README.md#Prerequisites) in the `dotnetv3
 <!--custom.prerequisites.start-->
 <!--custom.prerequisites.end-->
 
+
+### Get started
+
+* [Hello Amazon RDS](Actions/HelloRDS.cs#L4) (`DescribeDBInstances`)
+
 ### Single actions
 
 Code excerpts that show you how to call individual service functions.
@@ -65,24 +70,30 @@ Sample applications that work across multiple AWS services.
 ### Instructions
 
 
-For general instructions to run the examples, see the [README](../README.md#building-and-running-the-code-examples) in the `dotnetv3` folder.
+For general instructions to run the examples, see the
+[README](../README.md#building-and-running-the-code-examples) in the `dotnetv3` folder.
 
 Some projects might include a settings.json file. Before compiling the project,
-you can change these values to match your own account and resources. Alternatively, add a settings.local.json file with
-your local settings, which will be loaded automatically when the application runs.
+you can change these values to match your own account and resources. Alternatively,
+add a settings.local.json file with your local settings, which will be loaded automatically
+when the application runs.
 
 After the example compiles, you can run it from the command line. To do so, navigate to
 the folder that contains the .csproj file and run the following command:
 
 ```
 dotnet run
 ```
-Alternatively, you can run the example from within your IDE.
 
+Alternatively, you can run the example from within your IDE.
 
 <!--custom.instructions.start-->
 <!--custom.instructions.end-->
 
+#### Hello Amazon RDS
+
+This example shows you how to get started using Amazon RDS.
+
 
 
 #### Get started with DB instances