add dotnet sdk example and set up tabs

Signed-off-by: Hannah Hunter <hannahhunter@microsoft.com>

daprdocs/content/en/developing-applications/building-blocks/state-management/state-store-ttl.md

@@ -28,10 +28,12 @@ Refer to the TTL column in the [state store components guide]({{< ref supported-
 
 You can set state TTL in the metadata as part of the state store set request:
 
-{{< tabs Python "HTTP API (Bash)" "HTTP API (PowerShell)">}}
+{{< tabs Python ".NET" Java Go "HTTP API (Bash)" "HTTP API (PowerShell)">}}
 
 {{% codetab %}}
 
+<!--python-->
+
 ```python
 #dependencies
 
@@ -58,6 +60,73 @@ dapr run --app-id orderprocessing --app-port 6001 --dapr-http-port 3601 --dapr-g
 
 {{% codetab %}}
 
+<!--dotnet-->
+
+```csharp
+// dependencies
+
+using Dapr.Client;
+
+// code
+
+await client.SaveStateAsync(storeName, stateKeyName, state, metadata: new Dictionary<string, string>() { 
+    { 
+        "metadata.ttlInSeconds", "120" 
+    } 
+});
+```
+
+To launch a Dapr sidecar and run the above example application, you'd then run a command similar to the following:
+
+```bash
+dapr run --app-id orderprocessing --app-port 6001 --dapr-http-port 3601 --dapr-grpc-port 60001 dotnet run
+```
+
+{{% /codetab %}}
+
+{{% codetab %}}
+
+<!--java-->
+
+```java
+//dependencies
+
+
+//code
+
+
+```
+
+To launch a Dapr sidecar and run the above example application, you'd then run a command similar to the following:
+
+```bash
+dapr run --app-id orderprocessing --app-port 6001 --dapr-http-port 3601 --dapr-grpc-port 60001 mvn spring-boot:run
+```
+
+{{% /codetab %}}
+
+{{% codetab %}}
+
+<!--go-->
+
+```go
+// dependencies
+
+
+// code
+
+```
+
+To launch a Dapr sidecar and run the above example application, you'd then run a command similar to the following:
+
+```bash
+dapr run --app-id orderprocessing --app-port 6001 --dapr-http-port 3601 --dapr-grpc-port 60001 go run OrderProcessingService.go
+```
+
+{{% /codetab %}}
+
+{{% codetab %}}
+
 ```bash
 curl -X POST -H "Content-Type: application/json" -d '[{ "key": "order_1", "value": "250", "metadata": { "ttlInSeconds": "120" } }]' http://localhost:3601/v1.0/state/statestore
 ```