What are the Types of Caching in asp.net ? Explain with examples.

There are 3 types of caching in asp.net , they are:
1. Output Caching
2. Fragment Caching
3. Data Caching

1. Output Caching:
This type of caching caches the dynamic output generated.

Ex:
<%@ outputcache duration="75" VaryByParam="none" %>

2. Fragment Caching
This type of caching caches the portion of the page generated.

Ex:
Here caching is done based on the user control CtrlCountries,

<%@ outputcache duration="90" VaryByControl="CtrlCountries" %>

3. Data Caching
This type of caching caches the data object programatically.
Ex:
In the below example dsEmp is a dataset.
Cache.Insert("EmployeeDetails", dsEmp, Nothing,DateTime.Now.AddMinutes(.5), TimeSpan.Zero)

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