Merge pull request #47688 from MicrosoftDocs/repo_sync_working_branch

Confirm merge from repo_sync_working_branch to master to sync with https://github.com/Microsoft/azure-docs (branch master)

Author: huypub

articles/cosmos-db/sql-api-dotnet-application.md

@@ -235,7 +235,7 @@ The first thing to do here is add a class that contains all the logic to connect
         using System.Configuration;
         using System.Linq.Expressions;
         using System.Threading.Tasks;
-        using System.Net
+        using System.Net;
         
     Now replace this code 
 

articles/iot-hub/iot-hub-device-sdk-c-intro.md

@@ -80,7 +80,7 @@ When you run the program, you see this interface:
 
   ![](media/iot-hub-device-sdk-c-intro/03-DeviceExplorer.PNG)
 
-Enter your **IoT Hub Connection String** in the first field and click **Update**. This step configures the tool so that it can communicate with IoT Hub.
+Enter your **IoT Hub Connection String** in the first field and click **Update**. This step configures the tool so that it can communicate with IoT Hub. The **Connection String** can be found under **IoT Hub Service** > **Settings** > **Shared Access Policy** > **iothubowner**.
 
 When the IoT Hub connection string is configured, click the **Management** tab:
 
@@ -98,7 +98,7 @@ When the device is created, the Devices list updates with all the registered dev
 
 If you choose **Copy connection string for selected device**, the device connection string is copied to the clipboard. Keep a copy of the device connection string. You need it when running the sample applications described in the following sections.
 
-When you've completed the steps above, you're ready to start running some code. Both samples have a constant at the top of the main source file that enables you to enter a connection string. For example, the corresponding line from the **iothub\_client\_sample\_mqtt** application appears as follows.
+When you've completed the steps above, you're ready to start running some code. Most samples have a constant at the top of the main source file that enables you to enter a connection string. For example, the corresponding line from the **iothub\_client\_sample\_mqtt** application appears as follows.
 
 ```c
 static const char* connectionString = "[device connection string]";