Imports System
Imports System.Data
Imports System.Collections
Imports System.ComponentModel
Imports System.Web.UI.WebControls
Imports BaseClasses
Imports BaseClasses.Utils
Imports BaseClasses.Utils.StringUtils
Imports BaseClasses.Data
Imports BaseClasses.Data.SqlProvider
Imports BaseClasses.Data.OrderByItem.OrderDir
Imports BaseClasses.Data.BaseFilter
Imports BaseClasses.Data.BaseFilter.ComparisonOperator
Imports BaseClasses.Web.UI.WebControls
Imports UseDAL.Business
Imports UseDAL.Data
Imports UseDAL.UI.LargeListSelector
Namespace UseDAL.UI

    ' Code-behind class for the LargeListSelector page.
    ' Place your customizations in Section 1. Do not modify Section 2.
    Partial Class LargeListSelector
        Inherits BaseApplicationPage


#Region "Section 1: Place your customizations here."
        Public Sub New()
            Me.IsUpdatesSessionNavigationHistory = False
        End Sub

        ' LoadData reads database data and assigns it to UI controls.
        ' Customize by adding code before or after the call to LoadData_Base()
        ' or replace the call to LoadData_Base().
        Public Sub LoadData()
            LoadData_Base()
        End Sub

#Region "Ajax Functions"

    
    
        <Services.WebMethod()> _
        Public Shared Function GetAutoCompletionList_StartsWith(ByVal prefixText As String, ByVal count As Integer) As String()
            ' GetEmployeesSearchAreaCompletionList gets the list of suggestions from the database.
            ' prefixText is the search text typed by the user .
            ' count specifies the number of suggestions to be returned.
            ' Customize by adding code before or after the call to  GetAutoCompletionList_EmployeesSearchArea()
            ' or replace the call to GetAutoCompletionList_EmployeesSearchArea().
            Return GetAutoCompletionList_Base(prefixText, Nothing, count)
        End Function
      
    
        <Services.WebMethod()> _
        Public Shared Function GetAutoCompletionList_Contains(ByVal prefixText As String, ByVal count As Integer) As String()
            ' GetEmployeesSearchAreaCompletionList gets the list of suggestions from the database.
            ' prefixText is the search text typed by the user .
            ' count specifies the number of suggestions to be returned.
            ' Customize by adding code before or after the call to  GetAutoCompletionList_EmployeesSearchArea()
            ' or replace the call to GetAutoCompletionList_EmployeesSearchArea().
            Return GetAutoCompletionList_Base(Nothing, prefixText, count)
        End Function
        
#End Region


#End Region

#Region "Section 2: Do not modify this section."

        ' Handles MyBase.Init.  If you need to, you can add additional Init handlers in Section 1.
        Protected Overridable Sub Page_Init(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Init
            ' Register the Event handler for any Events.

        End Sub

        ' Handles MyBase.Load.  If you need to, you can add additional Load handlers in Section 1.
        ' Read database data and put into the UI controls.
        Protected Overridable Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
            ' Load data only when displaying the page for the first time
            If (Not Me.IsPostBack) Then

                ' Check if user has access to this page.  Redirects to either sign-in page 
                ' or 'no access' page if not. Does not do anything if role-based security 
                ' is not turned on, but you can override to add your own security.
                Me.Authorize(Me.GetAuthorizedRoles())

                ' Read the data for all controls on the page.
                ' To change the behavior, override the DataBind method for the individual
                ' record or table UI controls.
                Me.LoadData()
            End If
        End Sub
        
        Public Shared Function GetAutoCompletionList_Base(ByVal startsWithText As String, ByVal containsText As String, ByVal count As Integer) As String()
            ' Since this method is a shared/static method it does not maintain information about page or controls within the page.
            ' Hence we can not invoke any method associated with any controls.
            ' So, if we need to use any control in the page we need to instantiate it.
            Dim control As UseDAL.UI.Controls.LargeListSelector.ItemsTable
            control = New UseDAL.UI.Controls.LargeListSelector.ItemsTable
            Return control.GetAutoCompletionList(startsWithText, containsText, count)
        End Function


        ' Load data from database into UI controls. 
        ' Modify LoadData in Section 1 above to customize.  Or override DataBind() in
        ' the individual table and record controls to customize.
        Public Sub LoadData_Base()
            Try
                ' Load data only when displaying the page for the first time
                If (Not Me.IsPostBack) Then

                    ' Must start a transaction before performing database operations
                    DbUtils.StartTransaction()

                    ' Load data for each record and table UI control.
                    ' Ordering is important because child controls get 
                    ' their parent ids from their parent UI controls.

                End If

            Catch ex As Exception
                ' An error has occured so display an error message.
                Utils.RegisterJScriptAlert(Me, "Page_Load_Error_Message", ex.Message)
            Finally
                If Not Me.IsPostBack Then
                    ' End database transaction
                    DbUtils.EndTransaction()
                End If
            End Try
        End Sub

        Protected Overrides Sub UpdateSessionNavigationHistory()
            'Do nothing
        End Sub

#End Region

    End Class

End Namespace