QueryableExtensionMethods.CacheResultset<TSource> Method (IQueryable<TSource>, TimeSpan, Boolean, String) |
Specifies that the query's resultset should be cached for the duration specified. Only one tag is kept per complete query. Specify the tag you want to use on the outermost
query expression.
Namespace:
SD.LLBLGen.Pro.LinqSupportClasses
Assembly:
SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.3.0.0 (5.3.0)
Syntaxpublic static IQueryable<TSource> CacheResultset<TSource>(
this IQueryable<TSource> source,
TimeSpan duration,
bool overwriteIfPresent,
string cacheTag
)
<ExtensionAttribute>
Public Shared Function CacheResultset(Of TSource) (
source As IQueryable(Of TSource),
duration As TimeSpan,
overwriteIfPresent As Boolean,
cacheTag As String
) As IQueryable(Of TSource)
Parameters
- source
- Type: System.Linq.IQueryable<TSource>
The source. - duration
- Type: System.TimeSpan
The duration how long the resultset will stay in the cache. - overwriteIfPresent
- Type: System.Boolean
if set to true it will replace an existing cached set with the one specified. - cacheTag
- Type: System.String
The cache tag.
Type Parameters
- TSource
- The type of the query.
Return Value
Type:
IQueryable<TSource>Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type
IQueryable<TSource>. When you use instance method syntax to call this method, omit the first parameter. For more information, see
Extension Methods (Visual Basic) or
Extension Methods (C# Programming Guide).
Exceptions
See Also