12995 3
How to check if string is number (IsNumeric) in C#?

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

...
Type
Question
12732 5
How to convert png image to jpg with white background in C#?

How to convert png image to jpg with white background using C# or jQuery ?

...
Type
Question
12669 5
Count and Group by multiple columns in a foreach statement in C#

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

...
Type
Question
12662 3
Useful Visual Studio Shortcuts (comment, remove comment, Collapse code etc )
In this article, I have provided many useful shortcut keyboard keys to use while coding in Visual Studio, for example shortcut to comment a code, collapse a code region, edit multiple lines etc
Type
Article
12656 3
Error : Keyword not supported: 'metadata'

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

...
Type
Question


12601 0
How to write to excel in C#? ( Text, adding images / styling in Excel)
In this article, I have explained how you can create excel or write to excel file using C# and EPPlus library, which also show how to add images in excel, merge columns, style text, using EPPlus
Type
Article
12419 2
How can I sort alphanumeric string list in C# (With & Without LINQ)?

I have a requirement in my project, in which I need to sort the string which has alphanumeric data like below

...
Type
Question
12278 2
How to convert a positive number to negative number and negative to positive in C#?

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#)?

 

 

...
Type
Question
12251 2
How can I get application root folder location in C# Console application?

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.

...
Type
Question
12193 3
How to convert byte[] array to string and Vice versa in C#?

Hello, I would like to know how to convert byte[] array to string and string to byte[] array in C#, using the best possible method, I know there are several links and methods available on the internet but I would like to know best and easy method for this, thanks.

...
Type
Question

Page 4 of 24