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Getting undefined in Cascading DropDownList In ASP.Core MVC ?

In the first DropdownList should display the Countries and in the second should display Cities based on the Country like .. USA then display just cities in USA . well i am getting undefined in dropdown...

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Form Designer

Hi all, Im looking for information but I dont know if there is a special phase or term to describe it. Basically, I am building a little Ticketing/Helpdesk system. I do not want to hard code the...

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Query timing out, help please!!!

Greetings experts, When I run my app with the following code:Private Sub SearchCustomers() Dim constr As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString Dim startDate As...

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Change Value of HttpContext.Current.User

I have a VB.Net application using Windows authentication and I would like to implement impersonation. I think that if I can set the value of HttpContext.Current.User to a new username, I can...

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Object reference not set to an instance of an object.

my App is a published website. This error happened when I save the data. Please help. Description: An unhandled exception occurred during the execution of the current web request. Please review the...

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Insert Date Interval

Please, can you help me. I adapted the example above to asp.net (vb), but it records the same date. Ex: 08/01/2019 to 08/31/2019, interval of 7 days. The correct would be to record 08/01 ... 08/08 ......

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.Net Core V2.2 - Sending email or gmail using OAuth2 or secure settings in...

I thought this would be pretty simple to do, but has turned into a circular headache. It's hard to find info on the internet on this subject, for most are using MailKit and MimeKit, others using...

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Server-side Blazor and IE11

Has anyone on here had any experience getting server-side Blazor to work with IE11? The reason I ask is that some large companies and government agencies still require all web apps to run on IE11....

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ASP.net postback url problem

hi, i have this code and this code not working properly code in one.aspx<asp:HiddenField runat="server" ID="hfDistrict" Value='<%# Eval("District")%>' /><asp:HiddenField runat="server"...

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Why can't I Publish web site error warn ?

reviously the program was written on VS2005, now I use VS2010 to run the program normally but when I publish the web site I get an error: It is an error to use a section registered as...

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Sending Email using ASP.NET(MVC) SMTP

How to send Email using ASP.NET(MVC) SMTP

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How to Import and Export Excel File in ASP.NET MVC?

Hello, I am using ASP.NET MVC in one of my projects. I want to import an Excel file from the local computer and store it on the server and also want to export the Excel file. How do I do import and...

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Having Issues to logging users to active directory through web form

Greetings again, I have an asp.net web app and have been tasked with validating user log in through Active Directory. I have been working on this part now for almost two days with no success. Here is...

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Razor Pages Navigation

Is it possible to navigate a Razor web site without displaying the details in the URLhttps://localhost:44351/UserDetails?id=1 The id=1 seems to be a security risk as changing the id will show another...

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How to print from android web browser to Bluetooth thermal printer?

I have a web application made with ASP.net and VB. I want to print a receipt from my web application to a Bluetooth printer (Using an android device) I've no idea how I do it. Please help

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Error bind data to html datatable with WebMethod and JavaScript (No data...

Please help me error when bind data to html datatable, i don't know what's wrong in my code, thx before..Vb Code<pre><System.Web.Services.WebMethod()>PublicSharedFunction...

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hen I have deploy My web application In IIS I am getting some extra words

MPHIDB Login[^]

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When I have deployed My web application In IIS I am getting some extra words

I have deployed my web application in IIS today but when I am opening my application with http://mphidbonline.in/MPHIDBLogin.aspx URL it is working fine but it is showing...

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Razor Pages Inconsistent Behaviour

Is there some magic I am missing with the select list tag helper<div style="margin-top:15px;"><label asp-for="SelectedUserDetails.ModifiedBy"...

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How solve this error "ModuleNotFoundError: No module named 'requests' " by...

Running D:/WUSL/4th yr 1st sem/Traffic-Counting-Using-OpenCV-and-Python-Backed-by-Firebase-master/main code.py Traceback (most recent call last): File "C:\Program Files\JetBrains\PyCharm Edu...

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