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[CLOSED] How to name ExtraParams dynamically in markup?

  1. #1
    Sep 09, 2013, 6:50 PM

    [CLOSED] How to name ExtraParams dynamically in markup?

    Hi,

    Please suggest how to correctly name ExtraParams in the markup dynamically. Here's the code sample I'm trying to work with:

    <%@ Page Language="C#" %>

<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<script runat="server">
    const string Const1 = "Constant1";
    const string Const2 = "Constant2";
    
    protected void Page_Load(object sender, EventArgs e)
    {
        if (X.IsAjaxRequest) return;
    }

    protected void ButtonSave_Click(object sender, DirectEventArgs e)
    {
        var param1 = e.ExtraParams[Const1];
        var param2 = e.ExtraParams[Const2];
    }
</script>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>Ext.NET Examples</title>
    <ext:ResourcePlaceHolder ID="ResourcePlaceHolder1" runat="server" Mode="Script" />
    <ext:ResourcePlaceHolder ID="ResourcePlaceHolder2" runat="server" Mode="Style" />
</head>
<body>
    <form id="Form1" runat="server">
    <ext:ResourceManager ID="ResourceManager1" runat="server" />
    <ext:Panel ID="Panel1" runat="server" Width="800" Height="600">
        <Items>
            <ext:BorderLayout ID="BorderLayout1" runat="server">
                <Center>
                    <ext:FormPanel ID="FormPanel1" runat="server" Title="Form Panel" Padding="5" ButtonAlign="Right"
                        TrackResetOnLoad="true">
                        <Items>
                            <ext:TextField ID="CompanyField" DataIndex="company" runat="server" FieldLabel="Company"
                                AnchorHorizontal="95%" />
                            <ext:TextField ID="PriceField" DataIndex="price" runat="server" FieldLabel="Price"
                                AnchorHorizontal="95%" />
                            <ext:TextField ID="ChangeField" DataIndex="change" runat="server" FieldLabel="Change"
                                AnchorHorizontal="95%" />
                            <ext:TextField ID="PctChangeField" DataIndex="pctChange" runat="server" FieldLabel="Change (%)"
                                AnchorHorizontal="95%" />
                            <ext:DateField ID="lastChange" runat="server" FieldLabel="Last Updated" AnchorHorizontal="95%" />
                        </Items>
                        <Buttons>
                            <ext:Button runat="server" ID="ButtonSave" Text="Save">
                                <DirectEvents>
                                    <Click OnEvent="ButtonSave_Click" Success="Ext.Msg.alert('Prompt', 'Success!');">
                                        <EventMask ShowMask="true" />
                                        <ExtraParams>
                                            <ext:Parameter Name="<%# Const1 %>" Value="1" Mode="Raw" />
                                            <ext:Parameter Name="<%# Const2 %>" Value="2" Mode="Raw" />
                                        </ExtraParams>
                                    </Click>
                                </DirectEvents>
                            </ext:Button>
                        </Buttons>
                    </ext:FormPanel>
                </Center>
            </ext:BorderLayout>
        </Items>
    </ext:Panel>
    </form>
</body>
</html>
    Last edited by geoffrey.mcgill; Sep 10, 2013 at 3:57 AM. Reason: [CLOSED]
  2. #2
    Sep 09, 2013, 7:12 PM
    You just need to add .AutoDataBind="true" to each of those <ext:Parameter> configs.

    Example

    <%@ Page Language="C#" %>
 
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<script runat="server">
    const string Const1 = "Constant1";
    const string Const2 = "Constant2";
     
    protected void ButtonSave_Click(object sender, DirectEventArgs e)
    {
        var param1 = e.ExtraParams[Const1];
        var param2 = e.ExtraParams[Const2];

        X.Msg.Notify("param1", param1).Show();
        X.Msg.Notify("param2", param2).Show();
    }
</script>

<!DOCTYPE html>

<html>
<head runat="server">
    <title>Ext.NET Examples</title>
</head>
<body>
    <form runat="server">
    
    <ext:ResourceManager runat="server" />
    
    <ext:Button runat="server" Text="Save">
        <DirectEvents>
            <Click OnEvent="ButtonSave_Click">
                <ExtraParams>
                    <ext:Parameter Name="<%# Const1 %>" Value="1" Mode="Raw" AutoDataBind="true" />
                    <ext:Parameter Name="<%# Const2 %>" Value="2" Mode="Raw" AutoDataBind="true" />
                </ExtraParams>
            </Click>
        </DirectEvents>
    </ext:Button>
    </form>
</body>
</html>
    As well, in future posts, please ensure you reduce your code samples down to the minimum required to reproduce the problem.
    Geoffrey McGill
    Founder
    Ext.NETASP.NET UI Component framework
    RetypeDocumentation website generator
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    Ext.NET Examples|Ext.NET API Docs|ExtJS API Docs|Twitter
  3. #3
    Sep 09, 2013, 7:22 PM
    Thanks much for the quick response Geoffrey, it works! Please mark this question as resolved.

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