13681 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
13475 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
13390 3
Convert string of "dd/MM/yyyy" format into Datetime using C#?

I am using the code below to convert my string which is in the format "dd/MM/yyyy" into datetime

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Type
Question
13337 2
How to find and extract only number from string in C#?

I have a string with numbers in it, for example here is the string "121 testing your City", now, I would like to extract only "121" from the string, how can I do that using C#?

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Type
Question
13326 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.

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Type
Question


13322 2
how to implement switch case in Razor (.cshtml)?

I need to implement switch case in Razor C# page as if-else would not be a good idea, because it will create too many conditions, so i thought to create Switch case instead, here is my current code, but it throwing syntax error

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Type
Question
13173 3
Multiple actions were found that match the request: in web api C# ?

HI, I am trying to work with the Web API in C#, and when calling it using jquery I am getting the error "Multiple actions were found that match the request: in web API C#", so how to resolve this issue, here is my current code

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Type
Question
13164 1
Error : An asynchronous operation cannot be started at this time

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

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Type
Question
13035 0
Converting String to Enum OR Enum to String in C#
In this article, I have explained with a console application example, how you can convert string to enum in C# OR Enum to string
Type
Article
12852 1
MySQL Connection in C# (Console Application Example)
In this article, I have provided working sample to connect to MySQL in C# using Visual Studio with Console application example.Also , how to insert new row in MySQL database in C# and Visual Studio.
Type
Article

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