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Error with Store when closing window

  1. #1
    Jan 30, 2009, 10:48 AM

    Error with Store when closing window

    Hello Coolite Team,

    I have created a store on code Behind like this:
    Public cooliteStore As New Coolite.Ext.Web.Store
cooliteStore.ID = "myStoreID"
...
...
    Evething works perfectlly but when I close/hide the windows where the page with the above code behind is, I got the error:
    <style type="text/css">body{border:0;margin:0;padding:3px;height:98% ;cursor:text;}</style><h2>The Control with ID = 'myStoreID' not found </h2>Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

    Exception Details: System.InvalidOperationException: The Control with ID = 'myStoreID' not found


    What I could do to avoid this error once I'm planning to create and manage all my Stores on code behind ?

    Regards.
  2. #2
    Jan 30, 2009, 1:22 PM

    RE: Error with Store when closing window

    Hi,

    Can you show the code which demonstrates the problem?


  3. #3
    Jan 30, 2009, 2:07 PM

    RE: Error with Store when closing window

    Hi Vladsch,

    I have created a general use class to configure the store that I'll use only fox comboboxes.
    Here my code:
      Public Class TCooliteSimpleStore
        Public cooliteStore As New Coolite.Ext.Web.Store
        Private Shared _fieldList As New Coolite.Ext.Web.ArrayReader
        Private Shared _arrayList As New ArrayList


        Protected Friend Sub init(ByRef myHolder As System.Web.UI.WebControls.PlaceHolder)
            'FIELDS
            _fieldList.ReaderID = "myListID"
            _fieldList.Fields.Add(New RecordField("field0", RecordFieldType.String))
            _fieldList.Fields.Add(New RecordField("field1", RecordFieldType.String))
            _fieldList.Fields.Add(New RecordField("field2", RecordFieldType.String))

            cooliteStore.ID = "myStoreID"
            myHolder.Controls.Add(cooliteStore)
            cooliteStore.Reader.Add(_fieldList)

            _arrayList.Clear()
        End Sub

        Protected Friend Sub addData(ByVal myValue As String, ByVal campo1 As String, Optional ByVal campo2 As String= "")
            _arrayList.Add(New Object() {myValue, campo1, campo2})
        End Sub

        Protected Friend Sub bindData()
            cooliteStore.DataSource = _arrayList
            cooliteStore.DataBind()
        End Sub

    End Class
    And, that's the way I use it:

            Protected Friend Sub loadMyUsers()
            Dim tb_table = New TDatabase
            Dim myStore As New TCooliteSimpleStore

                myStore.init(.PlaceHolder1)
                
                tb_table.SQL.clear()
                tb_table.SQL.add("SELECT ...")
                tb_table.Open()

                If (tb_table.isEmpty) Then
                    Exit Sub
                End If

                While (Not tb_table.EOF)
                    myStore.addData(tb_table.getData("userID"), tb_table.getData("name"))
                    tb_table.moveNext()
                End While
                
                myStore.bindData()

        End Sub

    Client Side
    <body>
    <form id="form1" runat="server">
    
        <ext:ScriptManager ID="ScriptManager1" runat="server" />
        <asp:PlaceHolder ID="PlaceHolder1" runat="server"></asp:PlaceHolder>
    

    <ext:Window
         ID="Window1" 
         runat="server"  
         Height="429px" 
         Icon="Group" 
         Title="Usuários &amp;amp; Grupos" 
         Width="710px" 
         Resizable="false">
        <Body>
            <ext:TabPanel ID="TabPanel1" runat="server" ActiveTabIndex="0" Height="365px">
                <Tabs>
                    <ext:Tab runat="server" Title="Usuários" ID="ctl5962" Icon="User">
                        <Body>
                            <ext:BorderLayout ID="BorderLayout1" runat="server">
                                <West Collapsible="false" Split="true">
                                    <ext:Panel ID="Panel1" runat="server" Title="Usuários"  Frame="true">
                                        <Body>
                                                     <ext:ComboBox ID="cmb_usuarios" runat="server">
                                                     </ext:ComboBox>     
                                        </Body>
                                    </...>
    What's I'm missing ?


    [/CODE]
  4. #4
    Jan 30, 2009, 2:18 PM

    RE: Error with Store when closing window

    Hi,

    I think it is need full code because very hard to say whats wrong*


  5. #5
    Jan 30, 2009, 2:51 PM

    RE: Error with Store when closing window

    *Make sure your store is added above any layout controls. *I have experience similar errors if my store is nested inside layout controls. *What I usually do is add a ASP:PlaceHolder after the Ext:ScriptManager and dynamically add stores to the placeholder.
  6. #6
    Jan 30, 2009, 2:54 PM

    RE: Error with Store when closing window

    As you can see in the client side code above, that's what I did... but the error continues...
  7. #7
    Jan 30, 2009, 3:01 PM

    RE: Error with Store when closing window

    Are you doing any kind of postbacks? If so, are you recreating your store every time? Dynamically created controls must be created on every postback...
  8. #8
    Jan 30, 2009, 3:39 PM

    RE: Error with Store when closing window

    That's it !

    Thank you very much...

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