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Asp.net 4.5 and vs2012
1.Disable client side validation
How to disable client side validation.
2.Property in all validation controls
What is the property present in all validation controls
3.What are the selection modes in list box?
Ans:Single ,multiple and extended
4.wat ll happen when you give listbox selected index as -1?
List box selectedindex to-1
Ans:listbox ll get deselected(***)
5.which is client side valid-state management?
Ans:Viewstate,control state,hidden fields,querry strings,cookies
Server side state management:
Ans:Session state,Application State
6.What are all the Factor to choose state management
- how much information do you need to store?
- Does the client accept persistent or in-memory cookies?
- Do you want to store the information on the client or on the server?
- Is the information sensitive?
- What performance and bandwidth criteria do you have for your application?
- What are the capabilities of the browsers and devices that you are targeting?
- Do you need to store information per user?
- How long do you need to store the information?
- Do you have a Web farm (multiple servers), a Web garden (multiple processes on one machine), or a single process that serves the application?
7.What are all true about Application cache
By using AppCache to save resources locally, you improve the performance of a webpage by reducing the number of requests made to the hosting server; you also enable offline access to cached resources.
To cache resources locally:
1. Create a manifest file that defines the resources you want to save.
2. Reference the manifest file in each webpage designed to use cached resources.
- The CACHE: section defines resources that will be stored locally. In this example, three files are cached.
- The FALLBACK: section defines resources to be used when other resources are not available. For example, this example defines figure2.png as a fallback image for the photos folder. If the browser cannot access images in the photos folder (because the browser is offline or because the server cannot be reached), figure2.png will replace the unavailable images in the rendered markup. As a result, figure2.png will be cached locally.
- The NETWORK: section specifies resources to be accessed when there is a network connection. Resources in this section are not cached. This section allows the use of the wildcard (*) character to indicate that all other resources should not be cached.
Manifest files can contain any number of these sections and sections can be repeated; however, new sections must begin with the section header followed by a colon, as shown in the previous example. If no section header is provided, the CACHE: header is presumed. The following example shows a simplified manifest.
In addition, manifest files:
- Must be encoded with 8-bit Unicode Transformation Format (UTF-8) character encoding.
- Must be served with a text/cache-manifest MIME type.
- Must begin with the line “CACHE MANIFEST”.
- Can contain comments, preceded by the pound sign (#).
8.What are all true about User control and custom control
|Web user controls||Web custom controls|
|Easier to create||Harder to create|
|Limited support for consumers who use a visual design tool||Full visual design tool support for consumers|
|A separate copy of the control is required in each application||Only a single copy of the control is required, in the global assembly cache|
|Cannot be added to the Toolbox in Visual Studio||Can be added to the Toolbox in Visual Studio|
|Good for static layout||Good for dynamic layout|
9.Partial page caching
If page output caching________caching persist a page to load half and create dynamically
Ans:partial page caching
10.Cookies where stores
Ans:stored as text file in local computer
Or stored in view files in internet explorer
11.command to clear the session
12.what ll happen if you remove session in web.config
Session remove in web.config
session will work
Session will not work
Viewstate wont work
Cookies ll not store
Ans:session will work
13.what s the base class for all pages
Base class for all pages
14.Boundary to determine web application
15. Mobile ui supports
16:How to add reference to a solution
Ans:right clickàadd referenceàchoose appropriate path
Ans:<!- -include path=”filename”–>
18.Syntax for directive
Ans: <!- -include path=”filename”–>
19.Property has by all validator
20.Caching used in user control
User control caching in ASP.NET is called fragment caching. It’s done by adding an OutputCache directive to the top of your page: <%@ OutputCache Duration=”120″ VaryByParam=”None” %>
21. Different modes in session
- InProcess mode, which stores session state in memory on the Web server. This is the default.
- StateServer mode, which stores session state in a separate process called the ASP.NET state service. This ensures that session state is preserved if the Web application is restarted and also makes session state available to multiple Web servers in a Web farm.
- SQLServer mode stores session state in a SQL Server database. This ensures that session state is preserved if the Web application is restarted and also makes session state available to multiple Web servers in a Web farm.
- Custom mode, which enables you to specify a custom storage provider.
- Off mode, which disables session state.
1.what is the template in datalist control?
Header and footer template
2.What is the template to display data in repeater control?
- ItemTemplateContains the HTML elements and controls to render once for each data item in the data source.
- AlternatingItemTemplateContains the HTML elements and controls to render once for every other data item in the data source. Typically, this template is used to create a different look for the alternating items, such as a different background color than the color that is specified in the ItemTemplate.
- HeaderTemplate and FooterTemplateContains the text and controls to render at the beginning and end of the list, respectively.
- SeparatorTemplateContains the elements to render between each item. A typical example might be a line (using an HR element).
3.What is the standard column type in datagrid?
columns are automatically generated using default column types appropriate for the data types contained in the bound data source.
4.What are the builtin objects in asp.net?
5.unhandled errors are handled through
i)page-error ii)application error iii)custom error in web.config iv)all the above
Ans: custom error in web.config
6.asp:label is rendered as what in IE?
i)label ii)span iii)div iv)table
7.what method is triggered when page object release memory?
Ans:Disposed or UNLOAD
8.By what property we can find the Postback condition?
Ans: IsPostBack is a property of the Asp.Net
Optional Attributes:timeout,cookiless, stateConnectionString, sqlConnectionString, stateNetworkTimeout
8)all the above
1)Default authentication maode
2)when postback occurs?
3)how to add reference
4)Which will not create server side event?
Hint:mouse move,txt change,btn click
5)Directives in asp.net
8)Which property is used to display the control to user
9)Mobile UI controls
10)Template in repeaters
11)session state modes
12)Valid type state management
13)View state concept
Hint:hidden field,postback,event generation,serverside controls
14)partial page caching
15)what will happen if you remove session from web.config?
16)session state modes
17)parameters of session in web.config
18)can we ve more than one validator in server control
19)user control/Custom control
20)Method to remove one item at a time in listbox
To disable validation in a specific control
Set the control’s CausesValidation property to false.
To disable a validation control
Set the validation control’s Enabled property to false.
To disable client-side validation
Set the validation control’s EnableClientScript property to false.