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08.18.2008 at 04:16PM PDT, ID: 23658062
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7.6

AJAX..Converting from vb to ajax

Asked by aninec in Asynchronous Javascript and XML (AJAX)

Tags:

I want to change some coding on my page to get rid of the "flicker" that happens each time the user selects something from the dropdown.  I have never used aJAX. I got a quickie guide but I need some help.  Can anyone assist me?  Basicaly the user selects something from the dropdown and the results control the panels visibility.  Can I write it in AJAX ?

I have given the code for how the panels are set according to the users selection and then also the coding for two of the panels.

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Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
           
                Me.DropDownList_SelectedIndexChanged(Me, New EventArgs())
           
        End Sub
         
        'Fills label with Data
        Protected Sub DropDownList_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs) Handles DropDownList.SelectedIndexChanged
            IF DropDownList.SelectedValue="Fall"
            	lblFall.Text = DropDownList.SelectedValue
               	Fall.visible = True
            	Behavior.visible = False
            	Hand.visible = False
                Diag.visible = False
                Hemo.visible = False
                Lab.visible = False
                Med.visible = False
				Other.visible = False
				Ulcer.visible = False
				Sharps.visible = False
                Security.visible = False
                Surgical.visible = False
                Treat.visible = False
 
 
            Elseif DropDownList.SelectedValue="Behavior"
             	lblBehavior.Text = DropDownList.SelectedValue
            	Fall.visible = False
            	Behavior.visible = True
            	Hand.visible = False
                Diag.visible = False
                Hemo.visible = False
                Lab.visible = False
                Med.visible = False
				Other.visible = False
				Ulcer.visible = False
				Sharps.visible = False
                Security.visible = False
                Surgical.visible = False
                Treat.visible = False
End IF
 
End Sub
 
 
 
'Code for the panels
 
<asp:panel id="Behavior" runat="server" groupingtext="Behavior" Visible="False">
    <table width="100%">
		<tr>
			<td style="height: 18px">
			<asp:Label ID="lblBehavior" runat="server" /></td>
			<td style="height: 18px"></td>
		</tr>
		<tr>
			<td>&nbsp;</td>
			<td>&nbsp;</td>
		</tr>
	</table>
</asp:panel>
 
 
 
<asp:panel id="Fall" runat="server" groupingtext="Fall" Visible="False">
    <table width="100%">
		<tr>
			<td style="height: 18px">&nbsp;</td>
			<td style="height: 18px">&nbsp;</td>
		</tr>
		<tr>
			<td>
			<asp:Label ID="lblFall" runat="server" /></td>
			<td>&nbsp;</td>
		</tr>
	</table>
</asp:panel>
 
'Dropdown coding
 
<asp:DropDownList runat="server" id="DropDownList" Width="229px" DataTextField="Description" DataSourceID="SqlDataSource1" AutoPostBack="true"  OnSelectedIndexchanged="DropDownList_SelectedIndexChanged"  DataValueField="Description" Height="22px">
</asp:DropDownList>
[+][-]08.19.2008 at 01:14AM PDT, ID: 22257914

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[+][-]08.19.2008 at 01:14AM PDT, ID: 22257919

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[+][-]08.19.2008 at 05:05AM PDT, ID: 22258978

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[+][-]08.19.2008 at 05:42AM PDT, ID: 22259198

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About this solution

Zone: Asynchronous Javascript and XML (AJAX)
Tags: AJAX
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Solution Provided By: rajesh_chd
Participating Experts: 1
Solution Grade: A
 
 
 
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