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ASP.NET Web Forms Interview Questions

Q: An ASPX page contains the following snippet: <asp:TextBox ID="Name" runat="server" /> <br /> <input id="Surname" type="text" /> Which of the following statements are true?

[*] Before being sent to the web browser, <asp:TextBox> is converted to an <input> element. [*] The content of the element Name is accessible from the code behind as Name.Text. [ ] The content of the element Surname is accessible from the code behind as Surname.Text. [ ] When the page is sent to a web browser, element name will have id "Name". [*] When the page is sent to a web browser, element surname will have id "Surname".

Q: Which of the following statements are true for managing the state between two web calls?

[*] Data written to the Session will be accessible from other pages on our site. [ ] Data written to the ViewState will be accessible from other pages on our site. [*] The size of the HTML page will depend on the data we store in ViewState. [ ] The size of the HTML page will depend on the data we store in Session. [ ] If a user opens one page in two different tabs, each tab will have its own version of Session. [*] If a user opens one page in two different tabs, each tab will have its own version of ViewState.

Q: Which of these statements are true for bundling in ASP.NET Web Forms?

[*] By default, bundling is disabled in debug mode. [ ] A link produced by will be constant through the project lifetime. [*] There are different classes for minifying JavaScript and for minifying CSS. [ ] Bundling will set Cache-Control to no-cache. [*] Bundle.Include(virtualPath) method can accept some forms of wildcard (*) syntax.

Q: We want to switch a user from page X to page Y. Which of the following statements are true?

[ ] Server.Transfer will update the web browser's URL to Y. [*] Response.Redirect will update the web browser's URL to Y. [*] Response.Redirect will produce more web requests than Server.Transfer. [ ] Server.Transfer can be used for transferring to a page on another server.

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Need to practice your ASP.NET Web Forms skills for an upcoming job interview? Try solving these ASP.NET Web Forms interview questions that test knowledge of web controls, managing state, optimizations, and other skills. We’ll provide feedback on your answers, and you can use a hint if you get stuck.

These ASP.NET Web Forms interview questions are examples of real tasks used by employers to screen candidates for web development jobs that require knowledge of ASP.NET and the .NET Framework in order to build robust and scalable web applications.

1. Input Controls

Web controls

0-33%
34-66%
67-100%

Easy

An ASPX page contains the following snippet:

<asp:TextBox ID="Name" runat="server" />
<br />
<input id="Surname" type="text" />

Which of the following statements are true?

(Select all acceptable answers.)

Before being sent to the web browser, <asp:TextBox> is converted to an <input> element.

The content of the element Name is accessible from the code behind as Name.Text.

The content of the element Surname is accessible from the code behind as Surname.Text.

When the page is sent to a web browser, element name will have id "Name".

When the page is sent to a web browser, element surname will have id "Surname".

Report an issue

2. State

Managing state

0-33%
34-66%
67-100%

Easy

Which of the following statements are true for managing the state between two web calls?

(Select all acceptable answers.)

Data written to the Session will be accessible from other pages on our site.

Data written to the ViewState will be accessible from other pages on our site.

The size of the HTML page will depend on the data we store in ViewState.

The size of the HTML page will depend on the data we store in Session.

If a user opens one page in two different tabs, each tab will have its own version of Session.

If a user opens one page in two different tabs, each tab will have its own version of ViewState.

Report an issue

3. Bundling

Optimizations

0-33%
34-66%
67-100%

Hard

Which of these statements are true for bundling in ASP.NET Web Forms?

(Select all acceptable answers.)

By default, bundling is disabled in debug mode.

A link produced by <webopt:bundlereference runat="server" path="~/Content/css" /> will be constant through the project lifetime.

There are different classes for minifying JavaScript and for minifying CSS.

Bundling will set Cache-Control to no-cache.

Bundle.Include(virtualPath) method can accept some forms of wildcard (*) syntax.

Report an issue

4. Redirect

Life Cycle

0-33%
34-66%
67-100%

Hard

We want to switch a user from page X to page Y. Which of the following statements are true?

(Select all acceptable answers.)

Server.Transfer will update the web browser's URL to Y.

Response.Redirect will update the web browser's URL to Y.

Response.Redirect will produce more web requests than Server.Transfer.

Server.Transfer can be used for transferring to a page on another server.

Report an issue

If you feel ready, take one of our timed public ASP.NET Web Forms Interview Questions tests:

ASP.NET Web Forms, HTML/CSS, JavaScript, C#, and SQL Online Test (Easy / Hard)

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