Revert changes

Author: Samantha-Yu

articles/data-factory/quickstart-create-data-factory-dot-net.md

@@ -328,7 +328,10 @@ Creating linked service AzureStorageLinkedService...
   "properties": {
     "type": "AzureStorage",
     "typeProperties": {
-      "connectionString": "DefaultEndpointsProtocol=https;AccountName=<storageAccountName>;AccountKey=<storageAccountKey>"
+      "connectionString": {
+        "value": "DefaultEndpointsProtocol=https;AccountName=<storageAccountName>;AccountKey=<storageAccountKey>",
+        "type": "SecureString"
+      }
     }
   }
 }

articles/data-factory/transform-data-using-dotnet-custom-activity.md

@@ -169,8 +169,11 @@ This sample shows how you can use the referenceObjects and extendedProperties to
             "type": "LinkedServiceReference"
           }]
         },
-        "extendedProperties": {
-          "connectionString": "aSampleSecureString",
+        "extendedProperties": {          
+          "connectionString": {
+            "type": "SecureString",
+            "value": "aSampleSecureString"
+          },
           "PropertyBagPropertyName1": "PropertyBagValue1",
           "propertyBagPropertyName2": "PropertyBagValue2",
           "dateTime1": "2015-04-12T12:13:14Z"
@@ -305,7 +308,10 @@ Sensitive property values designated as type *SecureString*, as shown in some of
 
 ```json
 "extendedProperties": {
-  "connectionString": "aSampleSecureString"
+  "connectionString": {
+    "type": "SecureString",
+    "value": "aSampleSecureString"
+  }
 }
 ```
 

articles/data-factory/tutorial-copy-data-dot-net.md

@@ -444,7 +444,10 @@ Creating linked service AzureStorageLinkedService...
   "properties": {
     "type": "AzureStorage",
     "typeProperties": {
-      "connectionString": "DefaultEndpointsProtocol=https;AccountName=<accountName>;AccountKey=<accountKey>"
+      "connectionString": {
+        "type": "SecureString",
+        "value": "DefaultEndpointsProtocol=https;AccountName=<accountName>;AccountKey=<accountKey>"
+      }
     }
   }
 }
@@ -453,7 +456,10 @@ Creating linked service AzureSqlDbLinkedService...
   "properties": {
     "type": "AzureSqlDatabase",
     "typeProperties": {
-      "connectionString": "Server=tcp:<servername>.database.windows.net,1433;Database=<databasename>;User ID=<username>@<servername>;Password=<password>;Trusted_Connection=False;Encrypt=True;Connection Timeout=30"
+      "connectionString": {
+        "type": "SecureString",
+        "value": "Server=tcp:<servername>.database.windows.net,1433;Database=<databasename>;User ID=<username>@<servername>;Password=<password>;Trusted_Connection=False;Encrypt=True;Connection Timeout=30"
+      }
     }
   }
 }