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The following are the important extensions to LINQ:
1. LINQ to Object
2. LINQ to SQL
3. LINQ to XML
4. LINQ to DataSet
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LINQ (Language Integrated Query) is a set of language extensions using which you can perform query,set and tranform operations. It extends C# or VB.NET with syntax for queries and provides class libraries to use these features.
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SqlDependency.Stop(myconnectionstring); .
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SqlDependency.Start(myconnectionstring); .
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REPL is READ-EVAL-PRINT-LOOP.
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DLR (Dynamic Language Runtime) allows any language to communicate with any other.
Ex:
Python and Ruby can communicate with C# and VB.NET
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dynamic keyword .NET 4.0 is used as a data type. It is simillar to the var keyword in the sense it can hold any object type which is dynamically created.
Ex:
dynamic mycalc = GetCalculator();
int sum = mycalc.Subtract(900, 500);
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.NET 4.0 mainly focuses on Dynamic Programming.
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BDC Meta Man is a Business Data Catalog tool .
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You can avoid Concurrency conflicts by match all or timestamp-based concurrency. That is when updating you need to check the current values with the db values.
Ex:
Update employee set empname=@ename, phone=@phone , salary=@salary
where empid=@orginalEmpid and designation=@orginalDesignation and managerid=@orginalmanagerid
.
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ASP.NET includes 3 types of Cache dependencies, they are :
1. Dependencies on other cache items
2. Dependencies on files or folders
3. Dependencies on a database query
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There are 4 building blocks of Office System BI in MOSS, which are:
1. Excel Services
2. KPIs
3. Reporting Services
4. BDC
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The following can be used as Datasources for a KPI list:
1. SharePoint Lists
2. Excel Workbooks
3. SQL Server 2005 Analysis Services
4. Directly fed KPI data
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The feature in MOSS 2007 which is used to display Reports is,
The Report Center Template.
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They are used to tie the components of your Reporting Center in desired format for the user.
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BDC(Business Data Catalog) is a new feature in MOSS 2007 which is a shared service. It is used to fetch data from back-ends without coding.
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You can use as an alternate to Javascript's document.getElementByid(), the following ASP.NET AJAX's method,
$get('nameofcontrol')
Ex:
var myctrl = $get('lblTotal')
.
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You can do that by the following method,
Request.IsAuthenticated();
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Integrated Windows Authentication does not require user intervention.
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Basic Authenticaion is supported by almost all browsers.
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It is a strategy in Windows Authentication where the user name and password are not sent as clear text. But a token of logged in user is sent.
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It is a strategy in Windows Authentication where the user name and password are not sent as clear text. But the information is sent using a Cryptographically secure hash.
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It is a strategy in Windows Authentication where the user name and password are sent as clear text.
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There are 3 Authentication strategies in Windows Authentication, they are:
1. Basic Auhentication
2. Digest Auhentication
3. Integrated Windows Auhentication
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You can install the common tables and Stored Procedures for ASP.NET Membership and roles APIs using the following command,
sqlcmd -S (local)\SQLExpress -E -i InstallCommon.sql
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The name of the method used to encrypt Password in ASP.NET Forms Authentication is,
FormsAuthentication.HashPasswordForStoringInConfigFile(strPassword,"SHA1");
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