[UWP][BLE][C#]How to identify last packet for large data in BLE Write and Notify in Win10
I have a Windows class library that uses UWP BLE APIs. The setup is: BLE Host: Win 10 laptop BLE peripheral: Win 10 laptop or Android I need to send large file (a few K to a few M) to and from peripheral (using Write/WriteWithoutResponse and Notify)…
C# Platform Invoke ADUser Constructors parameterless
Hi Developers ! I'am a newer of C#,once i want to practice how to Invoke Unmanaged code And i got the Assembly:Microsoft.ActiveDirectory.Management.dll,to practice how to use ADUser Constructors to create an abject whose properties are similar to a…
Float type in database but the number becomes different after getting to C#
In database, there is a field in "float" type. There is a record with 300.88. (correct value) After getting into DTO ("double" type), it becomes 300.87999988 After passing DTO to textbox in view, it displays 300.88 correctly. …
Json Navigation
I am getting a string from a Rest API. The string contains a list of orders. string result = await content.ReadAsStringAsync(); dynamic json = JsonConvert.DeserializeObject(result); string res = json[0]["id"]; MessageBox.Show(…
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how to find double code caracter in string
I need to find the position of the double quotation mark (") character in a text that contains several. I read the text with this command: StreamReader fileRead = File.OpenText (@filepath) How can I do? Thanks in advance Marco Dell'Oca
How to avoid multiple duplicate interation from data table in c#
int rowidx = 0; //process for each Main Product list mainproduct = //get data table mainproduct of "prod no" //so mainproduct list is "102201" "102202" "102203" …
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Check if I have a Internet connection
Hello everybody, I need to check if a internet connection exists because the little program i wrote download a file from a server. I found a example but this isn't working?! bool checkInternet = new Ping().Send("google.com", 500).Status…
Write a String to a .txt File
Hey everyone, Can anybody tell me why my code isn't working? I try to write a string to a .txt File. System.IO.File.WriteAllText(confirmation);
if in switch
Hello anybody, Is it possible to use a if in a switch? switch (eingabe) { //Path check/create if(!System.IO.Directory.Exists($@"{localappdata}\Liquid Aqua\API")) …
Datagridview insert new Row after First
Hi, Please I need help , as I am using datagridview when user press enter key its move to next cell instead of new to new row when its reach to last cell upon user enter key on last cell or row its move to new row, the following code is insert new row…
How do we handle Data Row and its column value in another procedure class file from data table using c#
I have employee data table. In that, every row contains more than 100 columns. It's very difficult to handle the same main page all the columns of every row. In that case, Hoe do we pass all column values for processing in separate procedure…
directoryInfo.CreationTime
How do I get the directoryInfo.CreationTime and the Filename in the ListBox (FileList) with Item Text and the Value. I want to display the filename and need the date for something else. private void BindFileNamesToList() { string…
Task.Run without wait ?
In .NET core 2.0 application, have requirement to run task in a background. 1 option is to use IHostedService, However can use Task.Run(() => DoSomething(a,b,c)) without wait ? I got to know it is risky, as if any exception occurred in the…
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I need a parameter that implements multiple interfaces,How should the code be represented?
interface IA { int DoA(); } interface IB { int DoB(); } These are two interfaces. My method needs to implement the parameters of both interfaces. Is there any way to restrict the caller? I've thought about a lot of things That I can think…
How to invoke an API
Can anyone help me....... I'm a fresher and I'm unable to invoke an API in C# code. Could anyone give an answer for this question.
Visual Fox Pro oledDB provider error "No value or one or more paramter required" in reading DBF ukranian files in execute reader()
Dear Team, We are using VFPOLEDB data provider. We need to read the DBF file and convert this into CSV file. we are using VFPOLEDB.1 data provider to read the ukraninan file name ПолесьеПродукт_Товары.DBF. While executing line execute reader(), we are…
algorithm find how long each segment of a path will take at a constant speed
Hey guys! so I have a little issue I am trying to solve. my concept has a picture box where you can add points to a list List<pointf>, and it draws the lines as a path on the picturebox. however now I need to work out for an imaginary…
Console App (.NET Core) Issue
My new organization has an internal web app for product maintenance and reporting. A server was changed out and parts of the app need to point to the new data source. I updated the IP address of the existing connection to point to the new server in…
Add Multiple control type in DataGridView in winforms c#
Dear Friends, I want to display the DataGridView like below in winforms c#
How to make edge browser show in front of my UWP app?
Hello, This issue was related to UWP app and c# console application. I made a simple server by using c# console application. And my UWP will run in full-screen mode and connect to it. My console application will start a process to open the edge…