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C# String.Split with TrimEntries option returbs zero length entries
The following code reads in the file OK. It splits the text into several lines without end-of-line terminators OK. But even though the Split has the TrimEntries option, it still returns several lines of zero length. Why? How to remove zero-length entries…


Error when attempting to open .mdf file in VB.net "The ADO .NET data provider with invariant name 'System.Data.SqlClient' is not registered on this machine."
Hello, I have a project that is due in my Visual Basic programming class in 1 week. I have had constant issues while messaging my professor back and forth and neither of us can figure it out. I have spent four hours today alone trying to discover what…


visual studio 2022, run react project open new edge explorer
Hello I have react project with net core api backend When run project (F5) backend project open in actual chrome but react open new instance of Chrome I want to use existing instance of chrome. Any ideas? Thanks package.json: { "name":…


Unhandled exception rendering component: The input does not contain any JSON tokens.
Hi, I received the message in picture below when I want to rendering the datagrid in sidepanel. I can't display the Action table. The first table is the classe SuiviBE.cs et la seconde table is ActionItem. FYI I use FK It's seems is well define. I run…
ASP net core cors put method problem
Hello, I have a problem i wrote a Controler and a website. The website is under the main domain https://abc.com, my services are in subdomains https://subdomain.abc.com. I configured cors, GET and POST methods are working, but PUT makes…


Create an IoT app on Raspberry Pi using ASP.net
Can someone with experience point me in the right direction? I want to create an IoT device using a Pi with a small touchscreen for a UI. Apparently you can’t use net to create a form on the pi, so it seems my only option is a web form. I don’t have much…
How to automatically add certificate to another machine using C# .NET?
I have a certificate like in the picture and i want when the user use my app the certificate will be automatically added to their machine. This helps my application bypass the Windows warning screen. I would like to ask about the solution of doing…


Convert.ToDouble(String) does not throw an overflow exception when max_value is exceeded
I use .NET 8.0 on vscode. In documentation (for .NET 8.0) of Convert.ToDouble(String) there is OverFlow Exception when Double.MaxValue is exceeded, but when I convert a string that represents a value>Double.MaxValue, it doesn't throw an exception, but…




Mail functionality breaks in Azure Web Apps
Hello! I have recently started working on an ASP.NET Core application that is to be deployed as an Azure Web App. As part of the App, we need some sort of mailing functionality in order to notify customers upon purchases. However, every part of…


Why Visual Studio reformatting .designer file?
I am using visual studio 2017 express, .designer.vb file is reformatting itself each time when I add new controls to form or when I build the solution? and sometime it simply changes the upper casing of True/False to true/false case! Why Visual Studio…


502.5 - ANCM Out-Of-Process Startup Failure after I downgrade to 6.0
please check the error: Unhandled exception. System.IO.FileLoadException: Could not load file or assembly 'System.Runtime, Version=7.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The located assembly's manifest definition does not match the…


XAMARIN: CS8370 Error for Database Query code
Hi, I'm stuck with some syntax, I'm getting the error code CS8370 (which i believe is just outdated syntax being used) ill post a screenshot of the error, this is the line of code It pulling the error at, Its just a simple query to check if login email…


Postion of the SidePanel
I tried to implement Blazor.SidePanel component ; https://github.com/Append-IT/Blazor.Sidepanel in new application. The SidePanel should be opened in right side of my screen. so As you see in picture below is put back left on corner The good result…
MAUI fails to deploy Android app
buildoutput.pdf Hi, Ia m trying to deploy my MAUI Android app to my device but keep getting Build Failed and not sure what is the reason. Attached is the build log.. Kindly help.. Thanks, Jassim


From where to start .NET Core and ASP.NET Core
Dear All, My background - Good knowledge of HTML/CSS/JavsScript/ ASP.NET Forms/ ADO.NET. recently I purchased .NET core book - "Programming Asp.net Core " by Dino to learn .NET core in depth. I studied to the best of my extent and parallely I…


How to dynamically update label text in CollectionView?
Hello! I am writing a xamarin forms app. I have a collection or list of data(items) from database which update dynamically like live scores. How to dynamically update label text or color in CollectionView without reloading the whole page?
I don't know why my background-image does not print
In trying to print an ID card, the background image set from imagebuton inside Datalist does not print. Every other control, like label and image can print except background image. How is it that background image cannot print even after I used…


Receive complex object FromQuery in .Net 6.0 Web API
Hi all, I have a solution .Net 6.0 Web API project in which I want to use an object like these as model for query string: public class UserParam { public Guid? Id { get; set; } public string? Email { get; set; } public IEnumerable<string>?…
Why is my background image refusing to print?
In trying to print an ID card, the background image set from imagebuton inside Datalist does not print. Every other control, like label and image can print except background image. How is it that background image cannot print even after I used…

