I have a string "123" and another string "Test", now I want to identify from which you these string conatins number, so How can i check if string is a number or not in C#, is there any method in C# or we need to create custom method for it?
Example :
"11" = true
"Hello"= false
...Hello,
I need to write a foreach statement (I don't have it yet) in which to group by and count the departments.
This is what I have done so far. How can I take the count of each column?
thank you
...How to convert png image to jpg with white background using C# or jQuery ?
...I was trying to use Hangfire.IO in my MVC ASP.NET boilerplate application and pasted this code in Startup.cs as explained here in tutorial
...I have a requirement in my project, in which I need to sort the string which has alphanumeric data like below
...Hello, I would like to know, How can I convert a positive number ( int type) to a negative number in C# and vice-versa ( negative to positive number using C#)?
...
When I am trying to call async method in Class from controller, I am getting the error as below
An asynchronous operation cannot be started at this time. Asynchronous operations may only be started within an asynchronous handler or module or during certain events in the Page lifecycle. If this exception occurred while executing a Page, ensure that the Page is marked <%@ Page Async="true" %>
How can I resolve this error, here is my Current code
...I am creating a C# console application for some test project, in which I need to get Root folder location (application path) of project, for example, if my project is in "C:\Project\Program.cs", so i should get "C:\Project\" drive as root location.
How can I get it using C# console application, in web-application we get it using Server.MapPath("~/") but I am not sure about console application.
