Deploying Webpart in Sharepoint

>if webpart not shown in site then we need to check the url while deployement from Visual Studio

>If it gives some Guid error then clean and again deploy.

>If it doesn’t solve problem then go to Task manager as below and delete vssphost4.exe.

>And again deploy.

·                 Go to Central Administration->System Settings->Farm Management ->
        Manage farm solutions

This should display web part deployed.

We can deploy web part to two web application from here by clicking on web part and selecting application to deploy.