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Asp.net Interview questions

  • What Are The New Data Controls In Asp.net 2.0?

    Data access in ASP.NET 2.0 can be accomplished completely declaratively (no code) using the new data-bound and data source controls. There are new data source controls to represent different data backends such as SQL database, business objects, and XML, and there are new data-bound controls for rendering common UI for data, such as gridview, detailsview, and formview.

  • What Are The New Navigation Controls In Asp.net 2.0?

  • What Are The New Login Controls In Asp.net 2.0?

  • What Are The New Web Part Controls In Asp.net 2.0 ?

  • What Are Master Pages?

  • What Are Themes And Skins In 2.0, Explain Usage Scenario?

  • What Is A Profile Object, Why Is It Used?

  • What Is Configuration Api?

  • What Is Mmc Admin Tool?

  • Explain The Use Of Pre-compilation Tool?

  • How Is Application Management And Maintenance Improved In Asp.net 2.0?

  • What Are Provider-driven Application Services? Explain In Detail?

  • Explain Server Control Extensibility With Reference To Asp.net 2.0 ?

  • What Are The Data Source Controls?

  • What Are Compilation Build Providers?

  • What Is Expression Builders, Why Would You Use It?

  • Is Asp.net 64-bit Enabled? How?

  • Explain How Caching In Asp.net 2.0 Is Different From Caching In Asp.net 1.1?

  • Can We Bind Data To A Server Control Without Writing Code In .net?

  • What Is A Nested Masterpage In Asp.net 2.0? Can There Be A Master Page Inside A Masterpage?

  • How To Sort The Contents Of A Gridview Control?

  • What Does The Hotspot Class In .net Do? What Is An Imagemap In Asp.net?

  • How Do We Update And Delete Data In A Gridview? Datakeynames Property In .net?

  • What Is Asp.net?

  • Why Does My Asp.net File Have Multiple Tag With Runat=server?

  • How To Find Out What Version Of Asp.net I Am Using On My Machine?

  • Is It Possible To Pass A Querystring From An .asp Page To Aspx Page?

  • How To Comment Out Asp.net Tags?

  • What Is A Viewstate?

  • Where Can I Get The Details On Migration Of Existing Projects Using Various Technologies To Asp.net?

  • What Is The Equivalent Of Date() And Time() In Asp.net?

  • How To Prevent A Button From Validating It's Form?

  • How To Get The Ip Address Of The Host Accessing My Site?

  • How To Access The Parameters Passed In Via The Url?

  • How To Display A Wait Page While A Query Is Running?

  • How To Implement Form Based Authentication In Asp.net Application?

  • Is There A Method Similar To Response.redirect That Will Send Variables To The Destination Page Other Than Using A Query String Or The Post Method?

  • What Are The Differences Between Html Versus Server Control?

  • How Can I Change The Action Of A Form Through Code?

  • Is There Any Control That Allows User To Select A Time From A Clock - In Other Words Is There A Clock Control?

  • How To Work With Timespan Class?

  • Where Can I Get Information On Cookies In Asp.net?

  • Does Asp.net Still Recognize The Global.asa File?

  • How Should I Destroy My Objects In Asp.net?

  • Are There Resources Online With Tips On Asp To Asp.net Conversions?

  • How Do I Publish My Asp.net Application To My Isp's Web Server?

  • Why Do I Get Error Message "could Not Load Type" Whenever I Browse To My Asp.net Web Site?

  • Will The Webmatrix Sqldatasourcecontrol Work With A Mysql Connection?

  • Can I Combine Classic Asp And Asp.net Pages?

  • What Is The Difference Between Src And Code-behind?

  • How Can I Get The Value Of Input Box With Type Hidden In Code-behind?

  • I Have Created A .net User Control Page (.ascx) But I Cannot Compile And Run It.

  • What Is A .resx File?

  • Is It Possible To Use A Style Sheet Class Directly On A Control Instead Of Using Inline Or Page-level Formatting ?

  • Can I Recieve Both Html Markup For Page And Code In The Asp.net Web Page's Source Code Portion In The Web Browser?

  • Why Can't I Put <%@ Page Language="c " %> Where At The Top Of An Aspx File And Write My Server-side Scripts In C ?

  • Asp Pages That Worked Pefectly On Windows 2000 Server And Iis 5.0 Do Not Work On Windows 2003 Server With Iis 6.0. Asp.net Pages Work Fine. Why?

  • Why Do I Get Error Message "error Creating Assembly Manifest: Error Reading Key File 'key.snk' -- The System Cannot Find The File Specified"?

  • How To Get Url Without Querystring?

  • What Is The Best Way To Output Only Time And Not Date?

  • Do I Have To Compile Code If I Am Changing The Content Of My Aspx.cs File?

  • How To Grab The Referring Url?

  • My Asp Code Gives An Error "compiler Error Message: Bc30289: Statement Cannot Appear Within A Method Body. End Of Method Assumed" When Changed To .aspx?

  • How Can I Save Images ?

  • How Can I Logout When Using Formsauthentication?

  • Why Do I Get A Blank Page When I Use Server.transfer("page1.htm") To Transfer To A Different Page?

  • How To Detect The User's Culture?

  • What Is The Difference Between Currentculture Property And The Currentuiculture Property?

  • Can I Read The Hard Disk Serial # Of The Client Computer Using Asp.net?

  • What Is Xxx(src As Object, E As Eventargs)?

  • What Is The Difference Between Absolute Vs Relative Urls?

  • What Is The Difference Between Url And Uri?

  • How To Convert Milliseconds Into Time?

  • How To Include Multiple Vb/cs Files In The Source?

  • How To Convert A String To Proper Case?

  • How Can I Ensure That Application-level Variables Are Not Updated By More Than One User Simultaneously?

  • Why Do I Get The Error Message "system.invalidoperationexception: It Is Invalid To Show A Modal Dialog Or Form When The Application Is Not Running In Userinteractive Mode. Specify The Servicenotification Or Defaultdesktoponly Style To Display A ...."?

  • How To Validate That A String Is A Valid Date?

  • Are Namespaces And Class Names Are Case Sensitive?

  • How To Get The Url Of Page Dynamically?

  • How To Convert User Input In Dmy Format To Mdy?

  • When The User Is Prompted A File Download Dialogbox, If The User Selects "save" Then The "save As" Dialog Box Is Displayed. Is There Any Way For Me To Retrieve The Filename And Directory Path Specified By The User On The File Download Dialog Box?

  • How To Hide Or Show Controls In Server Side Code?

  • How To Check If The User Is Using A Secure Or Non Secure Connection?

  • Is It Possible To Write Code In Many Languages In One Asp.net Project?

  • What Is The Difference Between Response.redirect() And Server.transfer().

  • How To Get The Hostname Or Ip Address Of The Server?

  • What Is The Meaning Of Validaterequest=true In .net Framework1.1?

  • What Is The Different Between <%# %> And <%= %>?

  • What Permissions Do Asp.net Applications Posses By Default?

  • How Can I Specify The Relative Path For A File?

  • How Can I Specify The "upload A File" Input Textbox In A Form To Be Read Only So That The User Can Click On The Browse Button And Pick A File But They Cannot Type Anything Into The Textbox Next To The Browse Button.

  • How To Change The Page Title Dynamically?

  • Why Do I Get The Error Message "object Must Implement Iconvertible". How Can I Resolve It?

  • Why Is Default.aspx Page Not Opened If I Specify Http://localhost. I Am Able To View This Page If I Hardcode It As Http://localhost/default.aspx?

  • Can Asp.net Work On An Nt Server?

  • Is It Possible To Migrate Visual Interdev Design-time Controls To Asp.net?

  • How To Automatically Get The Latest Version Of All The Asp.net Solution Items From Source Safe When Opening The Solution?

  • How To Make Vs.net Use Flowlayout As The Default Layout Rather Than The Gridlayout?

  • Can I Use A Datareader To Update/insert/delete A Record?

  • How To Format A Telphone Number In The Xxx-xxx-xxxx Format?

  • Can Two Different Programming Languages Be Mixed In A Single Aspx File?

  • Can I Use Custom .net Data Types In A Web Form?

  • How Can I Have A Particular Web Page In An Asp.net Application Which Displays Its Own Error Page?

  • Describe The Role Of Inetinfo.exe, Aspnet_isapi.dll And Aspnet_wp.exe In The Page Loading Process?

  • What's The Difference Between Response.write() Andresponse.output.write()?

  • What Methods Are Fired During The Page Load?

  • When During The Page Processing Cycle Is Viewstate Available?

  • What Namespace Does The Web Page Belong In The .net Framework Class Hierarchy?

  • Where Do You Store The Information About The User's Locale?

  • What's The Difference Between Codebehind="mycode.aspx.cs" Andsrc="mycode.aspx.cs"?

  • What's A Bubbled Event?

  • Suppose You Want A Certain Asp.net Function Executed On Mouseover For A Certain Button. Where Do You Add An Event Handler?

  • What Data Types Do The Rangevalidator Control Support?

  • Explain The Differences Between Server-side And Client-side Code?

  • What Type Of Code (server Or Client) Is Found In A Code-behind Class?

  • Should User Input Data Validation Occur Server-side Or Client-side? Why?

  • What Is The Difference Between Server.transfer And Response.redirect? Why Would I Choose One Over The Other?

  • Can You Explain The Difference Between An Ado.net Dataset And An Ado Recordset?

  • What Is The Global.asax Used For?

  • What Are The Application_start And Session_start Subroutines Used For?

  • Can You Explain What Inheritance Is And An Example Of When You Might Use It?

  • Whats An Assembly?

  • Describe The Difference Between Inline And Code Behind?

  • Explain What A Diffgram Is, And A Good Use For One?

  • What Is Msil, And Why Should My Developers Need An Appreciation Of It If At All?

  • Which Method Do You Invoke On The Dataadapter Control To Load Your Generated Dataset With Data?

  • Can You Edit Data In The Repeater Control?

  • Which Template Must You Provide, In Order To Display Data In A Repeater Control?

  • How Can You Provide An Alternating Color Scheme In A Repeater Control?

  • What Property Must You Set, And What Method Must You Call In Your Code, In Order To Bind The Data From A Data Source To The Repeater Control?

  • What Base Class Do All Web Forms Inherit From?

  • Name Two Properties Common In Every Validation Control?

  • 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?

  • Which Control Would You Use If You Needed To Make Sure The Values In Two Different Controls Matched?

  • How Many Classes Can A Single .net Dll Contain?

  • What Is The Transport Protocol You Use To Call A Web Service?

  • What Does Wsdl Stand For?

  • Where On The Internet Would You Look For Web Services?

  • To Test A Web Service You Must Create A Windows Application Or Web Application To Consume This Service?

  • Can You Give An Example Of When It Would Be Appropriate To Use A Web Service As Opposed To A Non-serviced .net Component?

  • What Is Viewstate?

  • What Is The Lifespan For Items Stored In Viewstate?

  • What Does The "enableviewstate" Property Do? Why Would I Want It On Or Off?

  • What Are The Different Types Of Session State Management Options Available With Asp.net?

  • Let's Say I Have An Existing Application Written Using Visual Studio 6 (vb 6, Interdev 6) And This Application Utilizes Windows 2000 Com+ Transaction Services. How Would You Approach Migrating This Application To .net

  • Can You Give An Example Of What Might Be Best Suited To Place In The Application_start And Session_start Subroutines?

  • If Iam Developing An Application That Must Accomodate Multiple Security Levels Though Secure Login And My Asp.net Web Appplication Is Spanned Across Three Web-servers (using Round-robbin Load Balancing) What Would Be The Best Approach To Maintain Login-in State For The Users?

  • What Are Asp.net Web Forms? How Is This Technology Different Than What Is Available Though Asp (1.0-3.0)?

  • How Does Vb.net/c# Achieve Polymorphism?

  • Describe Session Handling In A Webform, How Does It Work And What Are The Its Limits?

  • How Would You Get Asp.net Running In Apache Web Servers - Why Would You Even Do This?

  • In What Order Do The Events Of An Aspx Page Execute. As A Developer Is It Important To Undertsand These Events?

  • What Method Do You Use To Explicitly Kill A User's Session?

  • How Do You Turn Off Cookies For One Page In Your Site?

  • Which Two Properties Are On Every Validation Control?

  • What Tags Do You Need To Add Within The Asp:datagrid Tags To Bind Columns Manually?

  • How Do You Create A Permanent Cookie?

  • What Tag Do You Use To Add A Hyperlink Column To The Datagrid?

  • What Is The Standard You Use To Wrap Up A Call To A Web Service?

  • Which Method Do You Use To Redirect The User To Another Page Without Performing A Round Trip To The Client?

  • A Web Service Can Only Be Written In .net?

  • What Property Do You Have To Set To Tell The Grid Which Page To Go When Using The Pager Object?

  • Why Would You Use An Array Vs Linked-list ?

  • What I Need To Create And Run An Asp.net Application?

  • Are There Any Free Ides For The .net Sdk?

  • Where Can I Download The .net Sdk?

  • When Was Asp.net Released?

  • Is A New Version Coming Up?

  • Explain Namespace?

  • List The Types Of Authentication Supported By Asp.net?

  • What Is Clr?

  • What Is Cli?

  • List The Various Stages Of Page-load Lifecycle?

  • Explain Assembly And Manifest?

  • What Is Shadow Copy?

  • What Is Dll Hell?

  • Explain Web Services?

  • Explain Windows Forms?

  • What Is Postback?

  • Enumerate The Types Of Directives?

  • What Is Code-behind?

  • List The Asp.net Validation Controls?

  • What Is Data Binding?

  • Describe Paging In Asp.net?

  • What Is The Difference Between Server.transfer And Response.redirect?

  • What Is Rdbms?

  • What Are The Properties Of The Relational Tables?

  • What Is Normalization?

  • What Is De-normalization?

  • What Are Different Normalization Forms?

  • What Is Stored Procedure?

  • What Is Trigger?

  • What Is View?

  • What Is Index?

  • What Is A Linked Server?

  • What Is Cursor?

  • What Is Collation?

  • What Is Difference Between Function And Stored Procedure?

  • What Is Sub-query? Explain Properties Of Sub-query?

  • What Are Different Types Of Join?

  • What Are Primary Keys And Foreign Keys?

  • What Is User Defined Functions? What Kind Of User-defined Functions Can Be Created?

  • What Is Identity?

  • What Is Datawarehousing?

  • Which Tcp/ip Port Does Sql Server Run On? How Can It Be Changed?

  • What Are The Difference Between Clustered And A Non-clustered Index?

  • What Are The Different Index Configurations A Table Can Have?

  • What Are Different Types Of Collation Sensitivity?

  • What Is Oltp (online Transaction Processing)?

  • What Iss The Difference Between A Primary Key And A Unique Key?

  • What Is Difference Between Delete & Truncate Commands?

  • When Is The Use Of Update_statistics Command?

  • What Is The Difference Between A Having Clause And A Where Clause?

  • What Are The Properties And Different Types Of Sub-queries?

  • What Is Sql Profiler?

  • What Are The Authentication Modes In Sql Server? How Can It Be Changed?

  • Which Command Using Query Analyzer Will Give You The Version Of Sql Server And Operating System?

  • What Is Sql Server Agent?

  • Can A Stored Procedure Call Itself Or Recursive Stored Procedure? How Much Level Sp Nesting Is Possible?

  • What Is Log Shipping?

  • Name 3 Ways To Get An Accurate Count Of The Number Of Records In A Table1?

  • What Does It Mean To Have Quoted_identifier On? What Are The Implications Of Having It Off?

  • What Is The Difference Between A Local And A Global Temporary Table?

  • What Is The Stuff Function And How Does It Differ From The Replace Function?

  • What Is Primary Key?

  • What Is Unique Key Constraint?

  • What Is Foreign Key?

  • What Is Check Constraint?

  • What Is Not Null Constraint?

  • How To Get @@error And @@rowcount At The Same Time?

  • What Is A Scheduled Jobs Or What Is A Scheduled Tasks?

  • What Are The Advantages Of Using Stored Procedures?

  • What Is A Table Called, If It Has Neither Cluster Nor Non-cluster Index? What Is It Used For?

  • Can Sql Servers Linked To Other Servers Like Oracle?

  • What Is Bcp? When Does It Used?

  • How To Implement One-to-one, One-to-many And Many-to-many Relationships While Designing Tables?

  • What Is An Execution Plan? When Would You Use It? How Would You View The Execution Plan?

  • What Are The Basic Functions For Master, Msdb, Model, Tempdb And Resource Databases?

  • What Is Service Broker?

  • Where Sql Server User Names And Passwords Are Stored In Sql Server?

  • What Is Policy Management?

  • What Is Replication And Database Mirroring?

  • What Are Sparse Columns?

  • What Does Top Operator Do?

  • What Is Cte?

  • What Is Merge Statement?

  • What Is Filtered Index?

  • Which Are New Data Types Introduced In Sql Server 2008?

  • What Are The Advantages Of Using Cte?

  • How Can We Rewrite Sub-queries Into Simple Select Statements Or With Joins?

  • What Is Clr?

  • What Are Synonyms?

  • What Is Linq?

  • What Is The Clr?

  • What Is The Cts?

  • What Is The Cls?

  • What Is Il?

  • What Does 'managed' Mean In The .net Context?

  • What Is Reflection?

  • What Is The Difference Between Finalize And Dispose (garbage Collection) ?

  • What Is Partial Assembly References?

  • Changes To Which Portion Of Version Number Indicates An Incompatible Change?

  • How To Set The Debug Mode?

  • What Is Managed And Unmanaged Code?

  • Describe The Advantages Of Writing A Managed Code Application Instead Of Unmanaged One. What's Involved In Certain Piece Of Code Being Managed?

  • What Is Boxing And Unboxing?

  • What Is The Sequence Of Operation Takes Place When A Page Is Loaded?

  • What Are The Different Types Of Assemblies Available And Their Purpose?

  • Describe The Role Of Inetinfo.exe, Aspnet_isapi.dll And Aspnet_wp.exe In The Page Loading Process ?

  • Where Do You Store The Information About The User's Locale?

  • What Is Difference Between Webconfig.xml & Machineconfig.xml?

  • How Is The Dll Hell Problem Solved In .net?

  • What Are The Ways To Deploy An Assembly?

  • What Is A Satellite Assembly?

  • What Namespaces Are Necessary To Create A Localized Application?

  • What Is The Smallest Unit Of Execution In .net?

  • When Should You Call The Garbage Collector In .net?

  • How Do You Convert A Value-type To A Reference-type?

  • What Happens In Memory When You Box And Unbox A Value-type?

  • Describe The Difference Between A Thread And A Process?

  • What Is The Difference Between An Exe And A Dll?

  • What Is Strong-typing Versus Weak-typing? Which Is Preferred? Why?

  • What Is The Gac? What Problem Does It Solve?

  • What Is An Asssembly Qualified Name? Is It A Filename? How Is It Different?

  • How Is A Strongly-named Assembly Different From One That Is Not Strongly-named?

  • Explain The Importance And Use Of Each, Version, Culture And Publickeytoken For An Assembly.

  • Explain The Differences Between Public, Protected, Private And Internal.

  • What Is Difference Between Metadata And Manifest?

  • How Do Assemblies Find Each Other?

  • How Does Assembly Versioning Work?

  • What Is Garbage Collection?

  • Why Doesn't The .net Runtime Offer Deterministic Destruction?

  • Is The Lack Of Deterministic Destruction In .net A Problem?

  • What Is The Use Of Jit ?

  • What Is Delay Signing?

  • What Is The Difference Between Response.write() And Response.output.write()?

  • Should User Input Data Validation Occur Server-side Or Client-side? Why?

  • What Is Msil, And Why Should Developers Need An Appreciation Of It If At All?

  • What Does The "enableviewstate" Property Do? Why Would I Want It On Or Off?

  • What Is The Difference Between Value Types And Reference Types?

  • What Are User Controls And Custom Controls?

  • What Are The Validation Controls?

  • Where Do You Add An Event Handler?

  • What Data Type Does The Rangevalidator Control Support?

  • What Is The Implicit Name Of The Parameter That Gets Passed Into The Class Set Method?

  • How Do You Inherit From A Class In C#?

  • Does C# Support Multiple Inheritance?

  • When You Inherit A Protected Class-level Variable, Who Is It Available To?

  • Are Private Class-level Variables Inherited?

  • Describe The Accessibility Modifier Protected Internal?

  • C# Provides A Default Constructor For Me. I Write A Constructor That Takes A String As A Parameter, But Want To Keep The No Parameter One. How Many Constructors Should I Write?

  • What Is The Top .net Class That Everything Is Derived From?

  • How Is Method Overriding Different From Overloading?

  • What Does The Keyword Virtual Mean In The Method Definition?

  • Can You Declare The Override Method Static While The Original Method Is Non-static?

  • Can You Override Private Virtual Methods?

  • Can You Prevent Your Class From Being Inherited And Becoming A Base Class For Some Other Classes?

  • Can You Allow Class To Be Inherited, But Prevent The Method From Being Over-ridden?

  • What Is An Abstract Class?

  • When Do You Absolutely Have To Declare A Class As Abstract (as Opposed To Free-willed Educated Choice Or Decision Based On Uml Diagram)?

  • What Is An Interface Class?

  • Why Can't You Specify The Accessibility Modifier For Methods Inside The Interface?

  • Can You Inherit Multiple Interfaces?

  • And If They Have Conflicting Method Names?

  • What Is The Difference Between An Interface And Abstract Class?

  • How Can You Overload A Method?

  • If A Base Class Has A Bunch Of Overloaded Constructors, And An Inherited Class Has Another Bunch Of Overloaded Constructors, Can You Enforce A Call From An Inherited Constructor To An Arbitrary Base Constructor?

  • What Is The Difference Between System.string And System.stringbuilder Classes?

  • What Is The Advantage Of Using System.text.stringbuilder Over System.string?

  • Can You Store Multiple Data Types In System.array?

  • What Is The Difference Between The System.array.copyto() And System.array.clone()?

  • How Can You Sort The Elements Of The Array In Descending Order?

  • What Is The .net Datatype That Allows The Retrieval Of Data By A Unique Key?

  • What Is Class Sortedlist Underneath?

  • Will Finally Block Get Executed If The Exception Had Not Occurred?

  • What Is The C# Equivalent Of C++ Catch (....), Which Was A Catch-all Statement For Any Possible Exception?

  • Can Multiple Catch Blocks Be Executed?

  • Why Is It A Bad Idea To Throw Your Own Exceptions?

  • What Is A Delegate?

  • What Is A Multicast Delegate?

  • How Is The Dll Hell Problem Solved In .net?

  • What Is A Satellite Assembly?

  • What's The Difference Between // Comments, /* */ Comments And /// Comments?

  • How Do You Generate Documentation From The C# File Commented Properly With A Command-line Compiler?

  • What Is The Difference Between <c> And <code> Xml Documentation Tag?

  • Is Xml Case-sensitive?

  • What Debugging Tools Come With The .net Sdk?

  • What Does The This Window Show In The Debugger?

  • What Does Assert() Do?

  • What Is The Difference Between The Debug Class And Trace Class? Documentation Looks The Same?

  • Why Are There Five Tracing Levels In System.diagnostics.traceswitcher?

  • Where Is The Output Of Textwritertracelistener Redirected?

  • How Do You Debug An Asp.net Web Application?

  • What Are Three Test Cases You Should Go Through In Unit Testing?

  • Can You Change The Value Of A Variable While Debugging A C# Application?

  • Explain The Three Services Model (three-tier Application)?

  • What Are Advantages And Disadvantages Of Microsoft-provided Data Provider Classes In Ado.net?

  • What Is The Role Of The Datareader Class In Ado.net Connections?

  • What Is The Wildcard Character In Sql? Let's Say You Want To Query Database With Like For All Employees Whose Name Starts With La.

  • Explain Acid Rule Of Thumb For Transactions.

  • What Connections Does Microsoft Sql Server Support?

  • Which One Is Trusted And Which One Is Untrusted?

  • Why Would You Use Untrusted Verificaion?

  • What Does The Parameter Initial Catalog Define Inside Connection String?

  • What Is The Data Provider Name To Connect To Access Database?

  • What Does Dispose Method Do With The Connection Object?

  • What Is A Pre-requisite For Connection Pooling?

  • What Is Ado.net?

  • Can We Connect Two Dataadapters To Same Data Source Using Single Connection At Same Time?

  • Can We Do Database Operations Without Using Any Of The Ado.net Objects?

  • If We Are Not Returning Any Records From The Database, Which Method Is To Be Used?

  • How Can I Retrieve Two Tables Of Data At A Time By Using Data Reader?

  • Explain Executenonquery?

  • What Is The Executescalar Method?

  • Which One Of The Following Objects Is A High-level Abstraction Of The Connection And Command Objects In Ado.net?

  • How Can We Load Multiple Tables In To Dataset?

  • What Is Connection String?

  • What Is Delegate?

  • How Do You Update A Dataset In Ado.net And How Do You Update Database Through Dataset?

  • What Are The Steps To Connect To A Database?

  • How Do You Connect To Sql Server Database Without Using Sqlclient?

  • What Is Partial Class?

  • What Are The Advantages And Disadvantages Of Using Datalist?

  • What Is The Difference Between Data Reader And Data Adapter?

  • What Is The Difference Between Data Reader And Data Set?

  • Does Sqlclient And Oledb Class Share The Same Functionality?

  • Why Edit Is Not Possible In Repeater?

  • Difference Between Sqlcommand And Sqlcommandbuilder?

  • Why Cannot We Use Multiple Inheritance And Garbage Collector Paralelly In .net?

  • How To Find The Given Query Is Optimised One Or Not?

  • How To Copy The Contents From One Table To Another Table And How To Delete The Source Table In Ado.net?

  • How To Call The Sql Commands Asynchronously In Ado.net Version 2.0?

  • What Is Typed And Untyped Dataset?

  • I Loaded The Dataset With A Table Of 10 Records. One Of The Records Is Deleted From The Backend, How Do You Check Whether All The 10 Records Were Present While Updating The Data(which Event And Steps) And Throw The Exception.

  • Can Datareader Hold Data From Multiple Tables?

  • What Is Different Between Sqlcommand Object And Command Behavior Object?

  • What Is Bubbled Event Can You Explain?

  • If A Table Contains 20000 Records. In A Page At Each Time 100 Records To Be Displayed. What Are The Steps You Will Take To Improve Performance? Will You Use Dataset Or Datareader?

  • What Are The Different Row Versions Available In Table?

  • What Are The Two Fundamental Objects In Ado.net?

  • What We Do With The Object Of Ado.net Dataset After Using It?can We Dispose It Or Can We Set It Nothing?is It Must Or Not?

  • What Provider Ado.net Use By Default?

  • What Is The Provider And Namespaces Being Used To Access Oracle Database?

  • Explain Acid Properties?

  • What Is Atomicity?

  • What Is Isolation?

  • What Is Data Adapter?

  • How To Find The Count Of Records In A Dataset?

  • What Are Design Patterns? Define Basic Classification Of Patterns?

  • What Is The Difference Between Factory And Abstract Factory Patterns?

  • What Is Mvc Pattern?

  • How Can We Implement Singleton Pattern In .net?

  • How Do You Implement Prototype Pattern In .net?

  • What Is Aspect Oriented Programming? What Is Cross Cutting In Aop?

  • What Is Windows Dna Architecture?

  • What Is Service Oriented Architecture?

  • What Is Three Tier Architecture?

  • Explain The Situations You Will Use A Web Service And Remoting In Projects?

  • Overview Of Ado.net Architecture?

  • .net Framework?

  • Asp.net 2.0 Web Parts Framework?

  • .net Assembly?

  • Model View Controller?

  • Differences Between "dataset"and "datareader"?

  • What Is Microsoft Ado.net?

  • What Are The 3 Major Types Of Connection Objects In Ado.net?

  • List The 4 Common Ado.net Namespaces?

  • List All The Steps In Order, To Access A Database Through Ado.net?

  • Why Will You Usually Create An Aspnet User Account In The Database For An Asp.net Web Application?

  • What Is The Difference Between Datareader And Dataadapter?

  • Can You Inherit From Sqlconnection Class?

  • Will The Connection Be Closed, If The Sqlconnection Object Goes Out Of Scope?

  • What Happens If Connection Pooling Is Enabled?

  • How Do You Ensure That The Database Connections Are Always Closed?

  • How Do You Read An Xml File Into A Dataset?

  • When Do You Use Executereader, Executenonquery, Executescalar Methods?

  • Can Your Class Inherit From Sqlcommand Class?

  • Give An Example That Shows How To Execute A Stored Procedure In Ado.net?

  • Can You Reuse A Sqlcommand Object?

  • What Are The Methods That Can Ensure Asynchronous Execution Of The Transact-sql Statement Or Stored Procedure?

  • What Is Sqlcommand.commandtimeout Property Used For?

  • How Do You Create An Instance Of Sqldatareader Class?

  • How Do You Programatically Check If A Specified Sqldatareader Instance Has Been Closed?

  • How Do You Get The Total Number Of Columns In The Current Row Of A Sqldatareader Instance?

  • What Is The Use Of Sqlparameter.direction Property?

  • What Are The Advantages Of Using Sql Stored Procedures Instead Of Adhoc Sql Queries In An Asp.net Web Application?

  • Can You Update The Database Using Datareader Object?

  • What Is The Difference Between A Datareader And A Dataset?

  • Give An Example Scenario Of Using A Dataset And A Datareader?

  • What Are The Two Fundamental Objects In Ado.net ?

  • What Is Difference Between Dataset And Datareader ?

  • What Are Major Difference Between Classic Ado And Ado.net ?

  • What Is The Use Of Connection Object ?

  • What Is The Use Of Command Objects ?

  • What Is The Use Of Dataadapter ?

  • What Are Basic Methods Of Dataadapter ?

  • What Is Dataset Object?

  • What Are The Various Objects In Dataset ?

  • How Can We Force The Connection Object To Close After My Datareader Is Closed ?

  • I Want To Force The Datareader To Return Only Schema Of The Datastore Rather Than Data ?

  • How Can We Fine Tune The Command Object When We Are Expecting A Single Row ?

  • Which Is The Best Place To Store Connectionstring In .net Projects ?

  • What Are The Various Methods Provided By The Dataset Object To Generate Xml?

  • How Can We Save All Data From Dataset ?

  • How Can We Add/remove Row's In "datatable" Object Of "dataset" ?

  • What Is Basic Use Of "dataview" ?

  • How Can We Add Relation's Between Table In A Dataset ?

  • What Is The Use Of Commandbuilder ?

  • What's Difference Between "optimistic" And "pessimistic" Locking ?

  • How Can We Perform Transactions In .net?

  • What Is Difference Between Dataset Clone And Dataset Copy ?

  • How Can We Force The Connection Object To Close After My Data Reader Is Closed?

  • I Want To Force The Data Reader To Return Only Schema Of The Data Store Rather Than Data?

  • How Can We Fine-tune The Command Object When We Are Expecting A Single Row?

  • Which Is The Best Place To Store Connection String In .net Projects?

  • How Can We Save All Data From Dataset?

  • How Can We Add/remove Row Is In "data Table" Object Of "dataset"?

  • What Is Basic Use Of "data View"?

  • How Can We Load Multiple Tables In A Dataset?

  • How Can We Add Relation Between Tables In A Dataset?

  • What Is The Use Of Command Builder?

  • How Can We Perform Transactions In .net?

  • Can You Explain The Difference Between An Ado.net Dataset And An Ado Record Set?

  • What Is Maximum Pool Size In Ado.net Connection String?

  • How To Enable And Disable Connection Pooling?

  • What Is The Namespace In Which .net Has The Data Functionality Class?

  • What Are Major Difference Between Classic Ado And Ado.net?

  • What Is The Use Of Connection Object?

  • How Can We Connect To Microsoft Access, Foxpro, And Oracle Etc?

 

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