ASP.Net Interview Questions How do we enable tracing ?<http://techinterview.weebly.com/3/post/2008/08/how-do-we-enable-tracing.html> What exactly happens when ASPX page is requested from Browser?<http://techinterview.weebly.com/3/post/2008/08/what-exactly-happens-when-aspx-page-is-requested-from-browser.html> What is a Windows Service and how does its lifecycle differ from a “standard” EXE?</3/post/2008/08/what-is-a-windows-service-and-how-does-its-lifecycle-differ-from-a-standard-exe.html> What is a PostBack? </3/post/2008/08/what-is-a-postback.html> Is it possible to prevent a browser from caching an ASPX page?</3/post/2008/08/is-it-possible-to-prevent-a-browser-from-caching-an-aspx-page.html> How do you deploy an ASP.NET application?<http://techinterview.weebly.com/3/post/2008/08/how-do-you-deploy-an-aspnet-application.html> ASP.NET Configuration.<http://techinterview.weebly.com/3/post/2008/08/aspnet-configuration.html> What does the volatile modifier do?<http://techinterview.weebly.com/3/post/2008/08/what-does-the-volatile-modifier-do.html> What is Tracing in ASP.NET ?<http://techinterview.weebly.com/3/post/2008/08/what-is-tracing-in-aspnet.html> Difference between Web.config and machine.config.<http://techinterview.weebly.com/3/post/2008/08/difference-between-webconfig-and-machineconfig4.html> What are VSDISCO files? <../3/post/2008/08/what-are-vsdisco-files.html> What are the mobile devices supported by .net platform?<http://techinterview.weebly.com/3/post/2008/08/what-are-the-mobile-devices-supported-by-net-platform.html> Name two properties common in every validation control?<../3/post/2008/08/name-two-properties-common-in-every-validation-control.html> What namespace does the Web page belong in the .NET Framework class hierarchy?<../3/post/2008/08/what-namespace-does-the-web-page-belong-in-the-net-framework-class-hierarchy.html> What is the difference between login controls and Forms authentication?<http://techinterview.weebly.com/3/post/2008/08/what-is-the-difference-between-login-controls-and-forms-authentication.html> Are the actual permissions for the application defined at run-time or compile-time?<../3/post/2008/08/are-the-actual-permissions-for-the-application-defined-at-run-time-or-compile-time.html> What is the difference between authentication and authorization?<../3/post/2008/08/what-is-the-difference-between-authentication-and-authorization.html> Where we can use DLL made in C#.Net ?<http://techinterview.weebly.com/3/post/2008/08/where-we-can-use-dll-made-in-cnet.html> To Configure .Net for JIT activation what do you do?<http://techinterview.weebly.com/3/post/2008/08/to-configure-net-for-jit-activation-what-do-you-do.html> How do you import Activex component in to .NET?<http://techinterview.weebly.com/3/post/2008/08/how-do-you-import-activex-component-in-to-net.html> What is a code group? <../3/post/2008/08/what-is-a-code-group.html> How do you display an editable drop-down list?<../3/post/2008/08/how-do-you-display-an-editable-drop-down-list.html> How can C# app request minimum permissions?<http://techinterview.weebly.com/3/post/2008/08/how-can-c-app-request-minimum-permissions.html> What debugging tools come with the .NET SDK?<http://techinterview.weebly.com/3/post/2008/08/what-debugging-tools-come-with-the-net-sdk.html> How can you work with permissions from your .NET application ?<http://techinterview.weebly.com/3/post/2008/08/how-can-you-work-with-permissions-from-your-net-application.html> What is the difference between repeater over datalist and datagrid?<../3/post/2008/08/what-is-the-difference-between-repeater-over-datalist-and-datagrid.html> What is the use of fixed statement?<http://techinterview.weebly.com/3/post/2008/08/what-is-the-use-of-fixed-statement.html> What is the order of destructors called in a polymorphism hierarchy?<http://techinterview.weebly.com/3/post/2008/08/what-is-the-order-of-destructors-called-in-a-polymorphism-hierarchy.html> What’s the difference between code-based security and role-based security? Which one is better?<http://techinterview.weebly.com/3/post/2008/08/whats-the-difference-between-code-based-security-and-role-based-security-which-one-is-better.html> How can you sort the elements of the array in descending order?<http://techinterview.weebly.com/3/post/2008/08/how-can-you-sort-the-elements-of-the-array-in-descending-order.html> If A.equals(B) is true then A.getHashcode & B.getHashCode must always return same hash code.<http://techinterview.weebly.com/3/post/2008/08/if-aequalsb-is-true-then-agethashcodebgethashcode-must-always-return-same-hash-code.html> In how many ways we can retrieve table records count? How to find the count of records in a dataset ?<http://techinterview.weebly.com/3/post/2008/08/in-how-many-ways-we-can-retrieve-table-records-count-how-to-find-the-count-of-records-in-a-dataset.html> What happens when we issue Dataset.ReadXml command ?<http://techinterview.weebly.com/3/post/2008/08/what-happens-when-we-issue-datasetreadxml-command.html> What is the difference between structures and enumeration?<http://techinterview.weebly.com/3/post/2008/08/what-is-the-difference-between-structures-and-enumeration.html> Explain different methods and Properties of DataReader which you have used in your project ?<http://techinterview.weebly.com/3/post/2008/08/explain-different-methods-and-properties-of-datareader-which-you-have-used-in-your-project.html> Is it possible to debug the classes written in other .Net languages in a C# project.<http://techinterview.weebly.com/3/post/2008/08/is-it-possible-to-debug-the-classes-written-in-other-net-languages-in-a-c-project.html> What is the different between ASP.NET and VB.NET?<http://techinterview.weebly.com/3/post/2008/08/what-is-the-different-between-aspnet-and-vbnet.html> How can we create custom controls in ASP.NET?<http://techinterview.weebly.com/3/post/2008/08/how-can-we-create-custom-controls-in-aspnet.html> How many types of validation controls are provided by ASP.NET ?<http://techinterview.weebly.com/3/post/2008/08/how-many-types-of-validation-controls-are-provided-by-aspnet.html> What is manifest?<http://techinterview.weebly.com/3/post/2008/08/what-is-manifest.html> What is Value type and refernce type in .Net?<http://techinterview.weebly.com/3/post/2008/08/what-is-value-type-and-refernce-type-in-net.html> What distributed process frameworks outside .NET do you know?<http://techinterview.weebly.com/3/post/2008/08/what-distributed-process-frameworks-outside-net-do-you-know.html> Can you explain what is “AutoPostBack” feature in ASP.NET ?<http://techinterview.weebly.com/3/post/2008/08/can-you-explain-what-is-autopostback-feature-in-aspnet.html> How do you retrieve the customized properties of a .NET application from XML .config file?<http://techinterview.weebly.com/3/post/2008/08/how-do-you-retrieve-the-customized-properties-of-a-net-application-from-xml-config-file.html> How can you enable automatic paging in DataGrid ?<http://techinterview.weebly.com/3/post/2008/08/how-can-you-enable-automatic-paging-in-datagrid.html> What are the types of assemblies?<http://techinterview.weebly.com/3/post/2008/08/what-are-the-types-of-assemblies.html> Difference between DataReader and DataAdapter / DataSet and DataAdapter?<http://techinterview.weebly.com/3/post/2008/08/difference-between-datareader-and-dataadapterdataset-and-dataadapter.html> What are the different namespaces used in the project to connect the database? What data providers available in .net to connect to database ?<http://techinterview.weebly.com/3/post/2008/08/what-are-the-different-namespaces-used-in-the-project-to-connect-the-database-what-data-providers-available-in-net-to-connect-to-database.html> Difference between OLEDB Provider and SqlClient ?<http://techinterview.weebly.com/3/post/2008/08/difference-between-oledb-provider-and-sqlclient.html> What are relation objects in dataset and how & where to use them ?<http://techinterview.weebly.com/3/post/2008/08/what-are-relation-objects-in-dataset-and-howwhere-to-use-them.html> How would u connect to database using .NET ?<http://techinterview.weebly.com/3/post/2008/08/how-would-u-connect-to-database-using-net.html> What’s the difference between Response.Write() andResponse.Output.Write() ?<http://techinterview.weebly.com/3/post/2008/08/whats-the-difference-between-responsewrite-andresponseoutputwrite.html> Describe the role of inetinfo.exe, aspnet_isapi.dll andaspnet_wp.exe in the page loading process ?<http://techinterview.weebly.com/3/post/2008/08/describe-the-role-of-inetinfoexe-aspnet_isapidll-andaspnet_wpexe-in-the-page-loading-process.html> Where does the Web page belong in the .NET Framework class hierarchy ?<http://techinterview.weebly.com/3/post/2008/08/where-does-the-web-page-belong-in-the-net-framework-class-hierarchy.html> What is method to get XML and schema from Dataset ?<http://techinterview.weebly.com/3/post/2008/08/what-is-method-to-get-xml-and-schema-from-dataset.html> Differences between dataset.clone and dataset.copy ?<http://techinterview.weebly.com/3/post/2008/08/differences-between-datasetclone-and-datasetcopy.html> Where do you store the information about the user’s locale ?<http://techinterview.weebly.com/3/post/2008/08/where-do-you-store-the-information-about-the-users-locale.html> What’s the difference between Codebehind=”MyCode.aspx.cs” andSrc=”MyCode.aspx.cs” ?<http://techinterview.weebly.com/3/post/2008/08/whats-the-difference-between-codebehindmycodeaspxcs-andsrcmycodeaspxcs.html> What’ s a bubbled event ?<http://techinterview.weebly.com/3/post/2008/08/whats-a-bubbled-event.html> What property must you set, and what method must you call in your code, in order to bind the data from some data source to the Repeater control ?<http://techinterview.weebly.com/3/post/2008/08/what-property-must-you-set-and-what-method-must-you-call-in-your-code-in-order-to-bind-the-data-from-some-data-source-to-the-repeater-control.html> Which template must you provide, in order to display data in a Repeater control ?<http://techinterview.weebly.com/3/post/2008/08/which-template-must-you-provide-in-order-to-display-data-in-a-repeater-control.html> If I’m developing an application that must accommodate multiple security levels though secure login and my ASP.NET web application is spanned across three web-servers (using round-robin load balancing) what would be the best approach to maintain login-<http://techinterview.weebly.com/3/post/2008/08/if-im-developing-an-application-that-must-accommodate-multiple-security-levels-though-secure-login-and-my-aspnet-web-application-is-spanned-across-three-web-servers-using-round-robin-load-balancing-what-would-be-the-best-approach-to-maintain-login.html> What does the “EnableViewState” property do? Why would I want it on or off ?<http://techinterview.weebly.com/3/post/2008/08/what-does-the-enableviewstate-property-do-why-would-i-want-it-on-or-off.html> What data type does the RangeValidator control support ?<http://techinterview.weebly.com/3/post/2008/08/what-data-type-does-the-rangevalidator-control-support.html> Suppo se you want a certain ASP.NET function executed on MouseOver overa certain button. Where do you add an event handler ?<http://techinterview.weebly.com/3/post/2008/08/suppose-you-want-a-certain-aspnet-function-executed-on-mouseover-overa-certain-button-where-do-you-add-an-event-handler.html> What base class do all Web Forms inherit from ?<http://techinterview.weebly.com/3/post/2008/08/what-base-class-do-all-web-forms-inherit-from.html> True or False: A Web service can only be written in .NET ?<http://techinterview.weebly.com/3/post/2008/08/true-or-false-a-web-service-can-only-be-written-in-net.html> What does WSDL stand for ?<http://techinterview.weebly.com/3/post/2008/08/what-does-wsdl-stand-for.html> What tags do you need to add within the asp:datagrid tags to bind columns manually ?<http://techinterview.weebly.com/3/post/2008/08/what-tags-do-you-need-to-add-within-the-aspdatagrid-tags-to-bind-columns-manually.html> Which property on a Combo Box do you set with a column name, prior to setting the DataSource, to display data in the combo box ?<http://techinterview.weebly.com/3/post/2008/08/which-property-on-a-combo-box-do-you-set-with-a-column-name-prior-to-setting-the-datasource-to-display-data-in-the-combo-box.html> True or False: To test a Web service you must create a windows application or Web application to consume this service ?<http://techinterview.weebly.com/3/post/2008/08/true-or-false-to-test-a-web-service-you-must-create-a-windows-application-or-web-application-to-consume-this-service.html> Which control would you use if you needed to make sure the values in two different controls matched ?<http://techinterview.weebly.com/3/post/2008/08/which-control-would-you-use-if-you-needed-to-make-sure-the-values-in-two-different-controls-matched.html> How many classes can a single .NET DLL contain ?<http://techinterview.weebly.com/3/post/2008/08/how-many-classes-can-a-single-net-dll-contain.html> Difference between ASP Session and ASP.NET Session ?<http://techinterview.weebly.com/3/post/2008/08/difference-between-asp-session-and-aspnet-session.html> What is cookie less session? How it works ?<http://techinterview.weebly.com/3/post/2008/08/what-is-cookie-less-session-how-it-works.html> How do you debug an ASP.NET Web application?<http://techinterview.weebly.com/3/post/2008/08/how-do-you-debug-an-aspnet-web-application.html> Where we can use DLL made in C#.Net ?<http://techinterview.weebly.com/3/post/2008/08/where-we-can-use-dll-made-in-cnet.html> What are different transaction options available for services components?<http://techinterview.weebly.com/3/post/2008/08/what-are-different-transaction-options-available-for-services-components.html> What is the difference between login controls and Forms authentication?<http://techinterview.weebly.com/3/post/2008/08/what-is-the-difference-between-login-controls-and-forms-authentication.html> What method do you use to explicitly kill a users session ?<http://techinterview.weebly.com/3/post/2008/08/what-method-do-you-use-to-explicitly-kill-a-users-session.html> What are the different ways you would consider sending data across pages in ASP (i.e between 1.asp to 2.asp) ?<http://techinterview.weebly.com/3/post/2008/08/what-are-the-different-ways-you-would-consider-sending-data-across-pages-in-asp-ie-between-1asp-to-2asp.html> What does it meant to say “the canonical” form of XML?<http://techinterview.weebly.com/3/post/2008/08/what-does-it-meant-to-say-the-canonical-form-of-xml.html> To Configure .Net for JIT activation what do you do?<http://techinterview.weebly.com/3/post/2008/08/to-configure-net-for-jit-activation-what-do-you-do1.html> What is State Management in .Net and how many ways are there to maintain a state in .Net? What is view state ?<http://techinterview.weebly.com/3/post/2008/08/what-is-state-management-in-net-and-how-many-ways-are-there-to-maintain-a-state-in-net-what-is-view-state.html> What are the disadvantages of view state / what are the benefits ?<http://techinterview.weebly.com/3/post/2008/08/what-are-the-disadvantages-of-view-statewhat-are-the-benefits.html> What is the difference between Debug.Write and Trace.Write?<http://techinterview.weebly.com/3/post/2008/08/what-is-the-difference-between-debugwrite-and-tracewrite.html> When would you use ErrorProvider control?<http://techinterview.weebly.com/3/post/2008/08/when-would-you-use-errorprovider-control.html> Is it possible to Override Private Virtual methods.<http://techinterview.weebly.com/3/post/2008/08/is-it-possible-to-override-private-virtual-methods.html>
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