Parser
Key
_dict
Imports Microsoft.VisualBasic Imports System.Collections.Generic Public Class ServerVar Public Enum Key UserType FirstName LastName EmailId End Enum Private Shared _dict As Dictionary(Of Key, String) Shared Sub New() _dict = New Dictionary(Of Key, String)() _dict.Add(Key.UserType, "HTTP_USERTYPE") _dict.Add(Key.FirstName, "HTTP_FIRSTNAME") _dict.Add(Key.LastName, "HTTP_LASTNAME") _dict.Add(Key.EmailId, "HTTP_EMAILID") End Sub Public Shared Function GetKey(ByVal key As Key) As String Return _dict(key) End Function Public Shared Function GetValue(ByVal key As Key, Optional ByVal defaultValue As String = "") _ As String Dim s As String = "" Dim request As HttpRequest = HttpContext.Current.Request If request IsNot Nothing Then s = request.QueryString(_dict(key)) If s Is Nothing Then s = "" End If End If If s.Length = 0 Then s = defaultValue End If Return s End Function Public Shared Function TryGetValue(Of T)(ByVal key As Key, ByRef value As T) As Boolean Return Parser(Of T).TryParse(GetValue(key), value) End Function Public Shared WriteOnly Property [Set](ByVal key As Key) As String Set(ByVal value As String) Try _dict(key) = value Catch ex As Exception Throw ex End Try End Set End Property End Class
TODO