The option for the SharePoint 2013 Workflow platform is not available

I installed Sharepoint Designer 2013 and tried to create SharePoint 2013 workflow but there was no option to select platform type as “Sharepoint 2013 Workflow” and getting the following message in SharePoint Designer 2013:

"The option for the SharePoint 2013 Workflow platform is not available because the workflow service is not configured on the server. Please contact your server administrator"

Sharepoint search in document library/list programmatically (using C#)

In sharepoint, it is generally required to limit search to a particular list or document library and display metadata properties. The example below shows an example FullTextSql query using the PATH managed property to limit your search to a particular list, and then the results are used to create the list item. You can bind results to gridview and can show metadata properties.You need to pass document library url and search text in the following method: