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What is the name of the virtual page that you can request to view trace data when the trace data is not displayed on its corresponding Web page?

Posted By :Virendra Dugar     Posted Date :October 15, 2009    Points :10   Category :ASP.Net 
The virtual page is called Trace.axd.

You can also find related Interview Question to What is the name of the virtual page that you can request to view trace data when the trace data is not displayed on its corresponding Web page?  below: 

Does ViewState is responsible for maintaining data across the Page Post Back for Postback controls (like textbox, dropdownlist) and non-postbackcontrols(like label)?

  
It is false. For NonPostback controls it is true but for postback controls, ASP.NET retrieves their values one by one from the HTTP request and copies them to the control values while creating the HTTP response. (More...)

Why all the page in the GridView show the same data as that in the first page?

  
The HTML code of the GrdiView is:
-----------------------------------------------------------------------------------
Collapse | Copy Code

CellPadding="4" Font-Size="Small" ForeColor="#333333" AllowPaging="True"
AllowSorting="True" onpageindexchanging="GridView_NewStaff_PageIndexChanging"
PageSize="20">

Mode="NextPreviousFirstLast" NextPageText="Next" PageButtonCount="4"
PreviousPageText="Previous" />
...... (More...)

What is a view? How it is related to data independence?

  
A view may be thought of as a virtual table, that is, a table that does not really exist in its own right but is instead derived from one or more underlying base table. In other words, there is no stored file that direct represents the view instead a definition of view is stored in data dictionary.

Growth and restructuring of base tables is not reflected in views. Thus the view can insulate users from the effects of restructuring and growth in the database. Hence accounts for logical data independence. (More...)

What are the differences between web part page gallery, site gallery,Virtual server gallery and online gallery in SharePoint?

  
Web Part Page Gallery in SharePoint is the default gallery provided by Microsoft that comes installed with SharePoint. Site Gallery is specific to one sharepoint website site. Virtual Server gallery is specific to that virtual server and online gallery is available for download web parts from MSDN. (More...)

Is view state lost if a user refreshes a Web page? What if the user copies the URL and open it in other browser?

  
View state is maintained within a page's HTML, so it is lost if a page is refreshed or if the URL is copied. (More...)

Can you update the data in a view?

  
Answer: A view is created by joining one or more tables. When you update record(s) in a view, it updates the records in the underlying tables that make up the view.

So, yes, you can update the data in a view providing you have the proper privileges to the underlying tables. (More...)

Can we insert data into a View in Sql Server?

  
Yes. Use INSTEAD OF Trigger on Views and achieve insert or update (More...)

What are the differences between web part page gallery, site gallery,Virtual server galleryand online gallery?

  
Web Part Page Gallery is the default gallery that comes installed with SharePoint. Site Gallery is specific to one site. Virtual Server gallery is specific to that virtual server and online gallery are downloadable web parts from Microsoft. (More...)

What is Method used to bind the data into gridview ?

  
DataBind() Method used to bind the data into gridview (More...)

What is the .NET that allows the retrieval of data by a unique key?

  
HashTable is the .NET collection class that allows the retrieval of data by a unique key (More...)

What is managed code and managed data?

  
Managed code is code that is written to target the services of the Common Language Runtime (see What is the Common Language Runtime?). In order to target these services, the code must provide a minimum level of information (metadata) to the runtime. All C#, Visual Basic.NET, and _JScript.NET code is managed by default. Visual Studio.NET C++ code is not managed by default, but the compiler can produce managed code by specifying a command-line switch (/CLR).
Closely related to managed code is managed data-data that is allocated and de-allocated by the Common Language Runtime's garbage collector. C#, Visual Basic, and _JScript.NET data is managed by default. C# data can, however, be marked as unmanaged through the use of special keywords. Visual Studio.NET C++ data is unmanaged by default (even when using the /CLR switch), but when using Managed Extensions for C++, a class can be marked as managed by using the __gc keyword. As the name suggests, this means that the memory for instances of the class is managed by the garbage collector. In addition, the class becomes a full participating member of the .NET Framework community, with the benefits and restrictions that brings. An example of a benefit is proper interoperability with classes written in other languages (for example, a managed C++ class can inherit from a Visual Basic class). An example of a restriction is that a managed class can only inherit from one base class. (More...)

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