Update azure-pipelines.yml for Azure Pipelines

Author: crowcoder

azure-pipelines.yml

@@ -18,8 +18,11 @@ steps:
     command: 'restore'
     projects: '**\*.csproj'
     feedsToUse: 'select'
-- script: dotnet build --configuration $(buildConfiguration)
-  displayName: 'dotnet build $(buildConfiguration)'
+
+- task: DotNetCoreCLI@2
+  inputs:
+    command: 'build'
+    projects: '**/*.sln'
 - task: PublishBuildArtifacts@1
   inputs:
     PathtoPublish: '$(Build.ArtifactStagingDirectory)'