Session Management Asp.Net
Please do comment if you find this infromation contradictory.
Sample VB.Net Code
- We should always have a centralized location to manage all the session variables in our application. This way, it is really very easy for all the programmers working on the application to get to know about Session Information. This session information can be reused whereever needed.
- It's not a problem to store "objects" (as opposed to value-types like int) into Session. You could even say it's better to store objects than value-types, because those value-types need "boxing" and "unboxing".
Sample VB.Net Code
1: Public Shared Property NHPActiveSearchText() As String
2: Get
3: If NHPSessionHash("ActiveSearchText") Is Nothing Then
4: Return ""
5: Else
6: Return NHPSessionHash("ActiveSearchText")
7: End If
8: End Get
9: Set(ByVal value As String)
10: NHPSessionHash("ActiveSearchText") = value
11: End Set
12: End Property
13: Public Shared Property NHPSessionHash() As Hashtable
14: Get
15: Return GetCurrentUserSessionVariable("NHPSessionHash")
16: End Get
17: Set(ByVal value As Hashtable)
18: SetCurrentUserSessionVariable("NHPSessionHash", value)
19: End Set
20: End Property
21: Private Shared Function GetCurrentUserSessionVariable(ByVal poKey As Object) As Object
22: Dim l_oHttpContext As HttpContext = GetCurrentUserContext()
23: If l_oHttpContext Is Nothing Or l_oHttpContext.Session Is Nothing Then
24: Throw New ApplicationException("Error getting user district; heck setup and app database connections in the setup DB with TC2.")
25: End If
26: Return l_oHttpContext.Session(poKey)
27: End Function
28: Private Shared Sub SetCurrentUserSessionVariable(ByVal poKey As Object, ByVal poValue As Object)
29: Dim l_oHttpContext As HttpContext = GetCurrentUserContext()
30: l_oHttpContext.Session(poKey) = poValue
31: End Sub
32: Private Shared Function GetCurrentUserContext() As HttpContext
33: Return HttpContext.Current
34: End Function
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