16,238 questions
0
votes
0
answers
17
views
On IdentityDbContext vs AspNetSqlMembershipProvider: How to solve coexistence of webforms and web api technologies?
Being quite new to ASP.NET Core and Web API (Microsoft solution), I need to use the authentication and authorization for the Web API where the users and roles are maintained using the older ASP.NET ...
- 20.7k
0
votes
1
answer
53
views
non-firing onkeyup function [closed]
I have some javascript in my ASP.NET HTML who's purpose is to fire a command whenever the Enter key is pressed in a related TextBox.
<asp:TextBox ID="txtFind" Style="z-index: 103; ...
- 176
0
votes
1
answer
83
views
Crystal Reports and how to handle it in .Net 8
I have a webforms project with quite a number of designed crystal reports. I have used slicing to slice the project up and move majority of the Logic to class libraries to make the migration easier. I ...
- 3,072
0
votes
1
answer
49
views
Javascript window.open does not open to the size I pass in
We have a security screen that opens a popup dialog box using a new custom script showWin that I wrote.
The security screen:
Private Sub SecCheck()
Dim sScreenName As String = String.Format("{...
- 176
-4
votes
0
answers
72
views
Whatever happened to GridViews?
I used C# and ASP.NET Webforms for years. I've been working mainly with Winforms for a company and now am coming back to the web world.
One of my most useful objects was the gridview. I could connect ...
- 1,951
0
votes
0
answers
9
views
With telerik:RadWizard in RadMultiPage large ViewState causes RadGrid refresh ViewState exception
For a version 7.3 of C#, ASP.Net Web Form app with .Net Framework 4.6.2
I have an ASPX with an ascx loaded with LoadControl
On the ascx, I have
<telerik:RadMultiPage
<telerik:RadPageView 1
...
- 2,036
-1
votes
1
answer
33
views
How do I use OnBubbleEvent and RaiseBubbleEvent in ASP.NET?
Microsoft has Control.RaiseBubbleEvent to handle the Control.OnBubbleEvent method.
I have the following VB.NET code in the same ASP.NET WebForm:
<System.Security.Permissions.PermissionSetAttribute(...
- 176
0
votes
1
answer
60
views
Refresh ASP.NET page from another ASP.NET page in Code Behind
We have an ASP.NET WebForms site.
Page 1 (Main) has a form with several fields.
A menu option on Page 1 (Main) opens a login dialog called Page 2 (Login).
Once Page 2 (Login) authenticates, it stays ...
- 176
0
votes
0
answers
31
views
Modal Not Displaying When Button Is Clicked in ASP.NET Web Forms
I am working on an ASP.NET Web Forms application where I have a GridView and a button for each row that should open a modal when clicked. However, the modal is not opening when I click the edit button....
0
votes
1
answer
82
views
Function set td text in <%if statement%> always be called
I want to use C# function to set text in dataRepeater and use if statement in aspx page.
<asp:Repeater ID="dataRepeater" runat="server">
<ItemTemplate>
&...
0
votes
2
answers
133
views
How do I find out what is causing Edge Developer Tools to be BLANK on the company ASP.NET WebForms website?
We have an old ASP.NET WebForms site that currently only runs in Microsoft Edge because of the way hundreds of links open in popup windows. It needs to be rewritten, but that is our long-term project ...
- 176
1
vote
1
answer
24
views
How do I get the the value of an ASP.NET hiddenfield in a typescript file
Here is the control on the aspx page:
<asp:HiddenField ID="hdnGOfromLocalStorage" runat="server" Value="-1" />
Here is the code that is not working in Typescript:
...
- 587
0
votes
3
answers
119
views
OnItemCommand not firing from nested DataList
I have 3 nested DataLists data being loaded from SQL query for each. DataList1_ItemCommand is working properly but DataList2_ItemCommand is not even firing.
protected void DataList1_ItemCommand(Object ...
- 15
1
vote
0
answers
30
views
how to raise <asp:CustomValidator> OnServerValidate event on key press only?
After doing many searches I didn't find any reference to raise <asp:CustomValidator> OnServerValidate event on keypress only. For example press 'Enter'.
I found that I must set CausesValidation =...
0
votes
2
answers
70
views
How to add spinner to ASP.net while processing
I am using ASP.net Web forms
I have users register into my page
once they registered a 3rd pty code updates the database which can take between 1 sec and few minutes
I want to add a rotating spinner ...
- 7,960
-1
votes
1
answer
63
views
How to add an item that is not included in the listbox to a listbox in ASP.NET?
I need a control in ASP.NET webforms. When the user writes a text in this control and clicks enter, the relevant text should be selected and appear in the control. In this context, I tried Listbox, ...
- 29
0
votes
0
answers
42
views
In an ASP.NET web forms project (.NET Framework) how do I simply concatenate scripts together, preferably also minify them, and do this at build time?
I have an ASP.NET Web Application and a bunch of legacy scripts that are being bundled together using the Visual Studio "Bundler & Minifier" extension. These are just creating library ...
0
votes
1
answer
78
views
ASP.NET Core 8.0 MVC : file download based on page's model and form
I've found various bits here and there on how to accomplish this but I hadn't found anything that put it all together.
I have two questions here:
Is there a better way to accomplish this? I don't ...
- 681
0
votes
1
answer
36
views
How do I add a row in Entity Framework?
The theory seems to be to add an empty record to the Entity Framework Data Table, DataBind that DataSource to the GridView control, and Edit the Index of that newly inserted record:
Private Const ...
- 176
0
votes
1
answer
28
views
Telerik RadGrid showing GridExpandColumn with list of domain entities
I am using a Telerik RadGrid to display a list of domain entities. A column is implicitly being added (no column header, shows twisty/arrow icon that does nothing).
I believe this column is a "...
- 13.5k
0
votes
1
answer
56
views
How to display a success or failure message after an AJAX call in an ASP.NET webforms app
I am working on an ASP.NET webforms project written in VB.Net. I want to call a web method in the code behind using Ajax. The button click event correctly calls the code behind method. However after ...
- 1,127
0
votes
1
answer
72
views
How to register async method in ASP.NET WebForms project deployed to Azure Web App?
I'm trying to implement an async call in an ASP.NET WebForms page. I can do this by either registering the async method:
RegisterAsyncTask(new PageAsyncTask())
or adding async to page load:
protected ...
- 2,134
0
votes
1
answer
46
views
Filtering the specified records in Webforms
Problem:
I'm working on an ASP.NET WebForms application where I need to filter records in a DataTable based on a date range. The date range is selected using FromMonth, ToMonth, FromYear, and ToYear ...
- 9
0
votes
0
answers
44
views
facing issue during isntall the shopify app
I am using Asp.net C# webform, and developing Shopify embedded app code for installation and authorization. I have created the Install and Auth (redirect callback) in ApiController. When I was using ...
- 1,461
0
votes
2
answers
34
views
How do I replace System.Web.UI.Page RegisterStartupScript?
I've got old code that I am working on, and I'd like to replace some depreciated methods like this one:
Public Shared Sub cmnCloseForm(ByRef pgTemp As System.Web.UI.Page, Optional ByVal sMsg$ = &...
- 176
0
votes
0
answers
24
views
Page is loading twice when using Google translator in Asp .net Webform
whene refeshing the page, page is being loading twice
I have tried this:
function googleTranslateElementInit() {
new google.translate.TranslateElement({pageLanguage: 'en',includedLanguages: "en,...
- 1
-1
votes
1
answer
49
views
Search Box in GridView ASP.NET
I’m working on an ASP.NET WebForms application where I want to add a search box on top of each column header in a grid. The search box is supposed to filter the grid data based on user input.
Here’s ...
- 9
0
votes
1
answer
40
views
How to prevent two separate web apps from sharing the same session state
I have 2 separate ASP.NET web apps, when I run them locally from Visual Studio or from a remote IIS server where they are deployed, they always use the same session state although I use separate ...
- 21
0
votes
1
answer
73
views
Save asp:Image ImageUrl as byte[]? to SQL Server database VARBINARY(MAX)
I have a page that displays an ASP:Image using C#.
Once the image is displayed, how do I update the database, saving the ASP:Image into a VARBINARY(MAX) column in my SQL Server table?
For example, if ...
0
votes
1
answer
84
views
Could not load file or assembly System.Runtime.Extensions
I've tried reinstalling the package from nuget (mutiple versions)
I've tried reinstalling visual studio 2022
The Project is running on .net 4.7.2.
I tried switching to .net 4.8
I've also tried adding ...
- 2,028
-1
votes
1
answer
48
views
Enter Key with Two Login Controls
I'm updating the upload and download parts of an ASP classic website whose main page (that I'm NOT updating) has an "Upload / Download" link that brings the user to a page with two login ...
- 37
0
votes
0
answers
29
views
Dynamic ComboBox with C# and ASPX ASP.NET Web Forms (ASPxDataEditors)
I am trying to create dynamic ComboBoxes, and the following code works for me:
private void controlCreateCmbT(string idcomp, string caption, List<dynamic> columns)
{
var controlInfoCmbT = ...
0
votes
1
answer
122
views
Latest version of bootstrap not rendering modal dialog in Visual Studio 2022
I have upgraded from Visual Studio 2019 to Visual Studio 2022.
I work on ASP.NET .NET Framework Webform based web applications. When I upgraded to Visual Studio 2022, I was warned that the current ...
0
votes
0
answers
23
views
A registered service is null in a nested user control
I have a couple of nested usercontrols, and in the innermost one, I'm getting a null ref on a service method. The service is registered, so I think it should be available. I've included a sample of my ...
- 4,254
0
votes
1
answer
44
views
@Html.TextBoxFor with @Value
I am in the process of learning some ASP.NET and now I have a problem that is not helping me despite intensive searching...
I have a view in which I generate a textbox (See My View):
Basically, no ...
- 3
0
votes
1
answer
42
views
Strange behavior of OnClientClick in ASP.NET webForm [duplicate]
I'm dealing with a large ASP.NET project (Web From, Framework 4.6).
The issue is when user click on a button , button should show as disabled immediately and after a lengthily calculation is done ...
- 2,489
3
votes
1
answer
214
views
EventListener not being removed
I've got some Javascript that works fine on the first load, but isn't working on Postback. After doing some reading, it seems like I need to remove the EventListeners and rebind them. So I've got ...
- 8,412
0
votes
1
answer
113
views
Unable to implement forms authentication in ASP.NET webforms on .NET 4.8
Here is my web.config:
<system.web>
<compilation debug="true" targetFramework="4.8" />
<httpRuntime targetFramework="4.8" />
<pages>
...
0
votes
0
answers
45
views
.aspx files not seeing codebehind class members (webforms)
We recently upgrade our old webforms code base to .NET Framework 4.8.
All .aspx files, .aspx.cs files and aspx.cs.designer files were properly configured.
Problem is we now have compile errors for ...
- 1
0
votes
1
answer
45
views
ScriptManager not calling Js function
I have a server control page where the input is entered and when button is clicked I want to trigger function in .aspx and again continue the C# code written below the script manager.
Now the thing is ...
- 1
0
votes
0
answers
21
views
ASP.NET : why is the dynamic delete button not working the first time?
I have a dynamically added delete button on my page, and it's working only after the second click, not on the first.
After the page is loaded, when I'm trying to delete a user on the first click, it ...
- 603
1
vote
1
answer
81
views
My C# button not doing anything when clicked on?
I have a table of venues for an asp.net webforms website I am creating. At the end of each row of the table I put a button labeled Book. When I click on the button it should send me to the page on the ...
- 13
0
votes
0
answers
28
views
How to give CSS or bootstrap class to Modal Popup Extender in ASP .NET Webforms
I am working on a web project using the Dashbyte template, and I am encountering an issue with modals. While the modal itself is working correctly, none of the custom or Bootstrap classes I apply are ...
- 1
-1
votes
1
answer
61
views
Default page set in web.config is not captured by IIS website
I am trying to take an existing copy of a IIS website folder, put in a new folder and run a new site from IIS. But the default page set in web.config file is not picked up by IIS... When I type the ...
- 689
0
votes
2
answers
85
views
Visual Studio 2022 ASP.NET : how to set the cursor position in a TextBox when it has focus?
I'm using Visual Studio 2022 and an ASP.NET webforms app.
I have a textbox linked to a ajaxToolkit:MaskedEditExtender.
If the user tabs from the previous control to the Text Box, and the textbox is ...
- 165
0
votes
1
answer
221
views
ASP.NET webforms on .NET 4.8 with Web API : authentication issue - 401 Unauthorized error
I work on a old legacy ASP.NET web forms application on .NET 4.8, which includes a Web API. The web form application uses Windows authentication, but the API must be accessible by any kind of client. ...
0
votes
0
answers
44
views
Why does my ASP.NET page return HttpException 0x80004005 for all buttons but one?
I have created a ASP.NET page which populates a table on every page load. The table contains properties for a report and the properties are grouped together.
Every property has a button which is ...
0
votes
0
answers
116
views
Can i use .NET Framework with docker on Linux?
I've recently started working on an existing project built with ASP.NET Framework 4.8.1 WebForms. However, my development environment is Ubuntu Linux, which doesn't natively support ASP.NET Framework ...
-1
votes
1
answer
28
views
How do you return empty field for time in the asp.net side
I can do this for a date
Text= '<%# Convert.ToDateTime(Eval("AddDate")) != Convert.ToDateTime("01/01/0001") ? Convert.ToDateTime(Eval("AddDate")).ToString("MM/dd/...
- 33
0
votes
1
answer
39
views
How to stop caching for a ASPX.net/VB webforms website page
I have an internal website that we use for device status lookups. And on this webpage we start at a search screen that looks like the following
Once a user searches by a type it pulls info that ...
