Step by step migration of ASP.NET Core 2.2 to 3.1

In order to upgrade/migrate asp.net core version to 3.1 following steps to be perform.
Download and install Visual Studio 2019 version 16.4 or higher.Download and install .NET Core 3.1  https://dotnet.microsoft.com/download/dotnet-core/3.1Upgrade the projects of solution to .NET Core 3.1 , because ASP.NET Core 3.1 requires it.Update existing Nuget packages to a version compatible with ASP.NET Core 3.1 in each projectUse IHost interface from a IHostBuilder instead of building and running a IWebHost from a IWebHostBuilder in Program.cs public static IHostBuilder CreateWebHostBuilder(string[] args) => Host.CreateDefaultBuilder(args) .ConfigureWebHostDefaults(webBuilder => { webBuilder.UseKestrel() .UseSerilog() .UseStartup<Startup>(); }) Change AddMvc method has been replaced by AddControllers in Startup.cs of each projects.In Startup.cs,UseMvc method to be replaced by…

How to get/find height and width of window using javascript

By knowing heigth and width of window we can place divs, messages,status wherever we want by using top left property of element. for that you should provide value of top and left to view in different monitors to get dynamic top left position you must find out the window width & height. following code will demostrate you to find out the window width & height which supports in  almost all browsers .


 
function windimension(){
if(window.innerHeight !==undefined)
{
var width= window.innerWidth;
var height=window.innerHeight]; // most browsers
}
else{ // IE varieties
var D= (document.body.clientWidth)? document.body: document.documentElement;
var width= D.clientWidth;
var height=D.clientHeight;
}

}



Hope this will help u.......

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