13340 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

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Type
Question
13170 2
How to format currency string in C# to add commas in thousands place?

I have a string "10000.00", I would like to add commas in thousands place for a give string or number using C# .NET String.Format()? So I can show output as "1,00,00.00", something like this.

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Type
Question
12972 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 ?

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Type
Question
12938 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

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Type
Question
12876 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


12829 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

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Type
Question
12621 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

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Type
Question
12584 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.

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Type
Question
12573 0
Open and Read XML in C# (Examples using Linq, XMLReader, XMLDocument)
In this article, I have provided C# code to open and read XML file node using XMLReader or using Linq in Console application, with example of which one is fastest.
Type
Article
12455 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#)?

 

 

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Type
Question

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