How to Sum, Join, Union, Group By Month And Year Using LINQ Query
I have two tables. I want to find the sum of the data in one table and the subtraction of the second table. I am trying to explain the matter by attaching an image below. Note here that I don't know which table's data will come first. Maybe the data of…
Issue of slow data loading in Radzen grid in .net 8 blazor web app in both SSR and CSR And Auto mode ? How to Fix this?
Hi, I have a Razor component and in this component I have Radzen grid to show data , In my data base i have 60000 + rows and I am showing this data to component page using Radzen Datagrid but its taking more then 1 minute to load the data how i can…
How to add a placeholder with ability to change placeholder color to DatePicker and TimePicker in Dot Net MAUI?
Previously in Xamarin.Forms I used below code to do that? [assembly: ExportRenderer(typeof(CustomDatePicker), typeof(CustomDatePickerRenderer))] namespace MyEstateLife.Droid.CustomRenderers { public class CustomDatePickerRenderer :…
Bluetooth Plugin.Ble not showing any device.
I am using visual studio 2022 Maui, installed latest update and bluetooth Plugin.Ble ver 3. Also added all permission #if ANDROID public override (string androidPermission, bool isRuntime)[] RequiredPermissions => new List<(string Permission,…
How to include in my App on Android text files
Hi to All. I've done a App for Android. This App uses particular files in old format MSDOS. First: how can include with the app on the tablet this files? (i.e. in the same directoy of the App).Second: the code page of MSDOS is quite different with…
Returning consistent errors in .NET Web API
I have a backend .NET Core Web API application and React App on the front. I would like to be able to return errors from the API and display them in the app. The problem I'm facing is that some classes return errors differently. For example, I'm using…
Using SQL Server Read/Write Image Ever Day With A Table
I've a case that need to save Image in database, than user can search/upload site(DB) to site(DB) ever day from winform. Every image size average 250kb - 350kb, The total usage with image perhaps growth 110GB/year without delete form database. I'll…
Maui mobile app using Signalr is encoding hub name in ConnectionData parameter on iOS 17
We have a mobile app in production built using Maui. The server running the api is it connecting to uses .net framework. There are issues connecting to signalR from iOS17 devices. From debug we can see the following: iOS 17 device sets the connectionData…
I'm trying to read excel from sharepoint by using asp.net but its giving me following error fail: PowerBi_Report.Controllers.HomeController[0] An error occurred while processing the request: The remote server returned an error: (401) Unauthorized.
I have all the permissions for excel present in sharepoint still I'm getting same error can someone please help me out on this I'm pasting my code below using System; using System.Diagnostics; using System.Net; using Microsoft.AspNetCore.Mvc; using…
how do I find the working area of my uwp app in .net using C#
This is a simple question but I'm having a rough time finding an answer. What I want to find is the working area of my application. I'm working in Visual Studio 2022 and have created the basic project. Searches on the internet result in many answers…
what is the most current Windows platform for .NET and C#
I see on the internet that MS has deprecated UWP. What do I need to add to my Visual Studio 2022 Community edition in order to program using the latest flavor of Windows for general Windows Apps? I'm getting frustrated trying to discern the myriad…
what capability must I add to my manifest to enable access to audio devices?
I am working with Visual Studio 2022 Community edition. Years ago I wrote a program in Win32 that opened an audio device and plotted the signal on the screen. I want to do that same function but now with .NET. When I do a var endpointId =…
Error with mso99Lwin32client.dll when running WeldingIOTApplication.exe
I received an error message when running WeldingIOTApplication.exe which says "Faulting module name: mso99Lwin32client.dll, version: 16.0.5041.1000, time stamp: 0x5f0562ec". The full error message along with the application and module paths,…
Unable to submitting the form using jquery post request like a form submit
Using Form Submit redirecting page from one page to another page and the page is redirecting successfully but the parameter value getting length 0(if array) or null(if string) based on the data passed on param. To achieve this concept I have used the…
How to copy big file 5g with task and within impersonation
Hi, How to copy big file 5G from source to destination using impersonation: WindowsIdentity.RunImpersonated( ImpersonationHelper.Token Thanks,
Why => is called token?
https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/operators/lambda-operator is => a Token?
Recurring Crash Issue When Opening Same App in Maui Project
I'm encountering an issue with two apps, let's call them A and B. When I open app B from app A, then close app B, and subsequently reopen app A, it crashes. To identify this issue, I created a new project, let's call it C. Interestingly, when running app…
EditForm in Blazor does not work on submit
Below is the source code, brand new blazor project vs2022 , Version 17.9.5 put a break point on string breakpointhere = "z"; examine xx variable - for the model, you will see that the MyTitle string is always null. Such basic stuff…
CTRL Commands Not Working with Winforms Web Browser
Hello, We have an application with a winforms web browser hosted on a WPF window and this browser is used to load HTML's within our application. These HTML files have fields that allow users to fill out. Letters and numbers work fine when put into the…
[MAUI] How to set the icon of a new window in MAUI? Including Android and Windows platforms
I need to open a new window on my Android device and set its icon, similar to a WeChat mini program, but I haven't seen any API documentation related to it in the official documentation that allows me to set its icon, so I want to ask if this is possible…