Questions tagged as 'webforms'

Tagged questions
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trying to compile code

Good afternoon and good evening. I'm doing a group college project and know that the best thing to do is to play the code on a source code hosting platform for everyone to work well and in case we're using GitHub. Anyway, I created a Cadastro...
asked by 12.10.2018 / 23:22
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Parser error in my application

Good evening guys, I'm trying to run my application but this Analyzer Error appears. I have already entered the webforms of Vendor to see if I find any errors in the code but nothing, compile the project and nothing error. <%@ Page Language...
asked by 15.10.2018 / 23:58
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Problem with aspx page

When I try to access the page below, I encounter the following error:    Using css-themed files requires a header control in the   page (for example,). I have tried all the solutions I found on the internet, and the closest I got to being...
asked by 10.09.2018 / 15:13
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Use Forms Authentication in an ASP.NET Core application

I'm migrating an ASP.NET Web site (.NET Framework 4.7) to ASP.NET Core (but still using .NET 4.7 as a "target framework" ) - The goal is to use Razor Pages, dependency injection, and other resources present in Core while maintaining more "tra...
asked by 25.08.2018 / 00:30
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PostBack removes selected items Multiple DropDownList

I have a static Multiple DropDownList (ddl1) on my aspx page. It has 4 options, from which 0 to 4 options can be selected. Another DropDownList (ddl2) that is also static on the form has the OnSelectedIndexChanged event and when this event is tr...
asked by 31.07.2018 / 15:25
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What is Virtual's need to override one method in another class? [duplicate]

I'm developing a C # system and I came across an inheritance / polymorphism problem. I researched Google and Microsoft referrals, but I did not find anything that would clarify my doubts. I'm using a click event on a NavigatorToolbar o...
asked by 30.07.2018 / 20:41
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ASP.NET - Application with possibility of authentication Forms and Windows

I have to configure the following ASP.NET authentication scenario: depending on some conditions I need authentication via Forms or Windows. The scenario is the following if an authenticated user is identified, the authentication of the applic...
asked by 16.07.2018 / 17:36
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JQuery.Ajax () in WebForms without static method

Is it possible to execute a void method of codebehind without them being static? I'm having 500 error return when trying.     
asked by 19.07.2018 / 23:53
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Error ReportViewer 14.0.0.0 Window. $ RSjQuery

By clicking the button to expand groups in reportview, it will load forever and gives error in the line below: // error Uncaught TypeError: window.$RSjQuery is not a function if ($) { window.$RSjQuery(window).on("resize", function () {...
asked by 29.04.2018 / 21:51
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Open modalpopupextender with user control inside

Good morning, I'm venturing into C # programming with webforms, meaning I have virtually no knowledge. My question is this: I have a gridview with 3 columns of clients (name, email, phone), and two buttons (Edit and Remove). I was able to config...
asked by 18.04.2018 / 15:25