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[FIXED] [V0.7.0] ComboBox Bug

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  1. #11
    Oct 10, 2008, 3:15 PM

    RE: [FIXED] [V0.7.0] ComboBox Bug

    Here is another example.

    Example.aspx:
    <%@ Page Language="C#" %>

<%@ Register Assembly="Coolite.Ext.Web" Namespace="Coolite.Ext.Web" TagPrefix="ext" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
    protected void Button1_Click(object sender, EventArgs e)
    {
        Label1.Text = String.Format("{0} is index: {1}", ComboBox2.SelectedItem.Text, ComboBox2.SelectedIndex);
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <asp:ScriptManager ID="ScriptManager1" runat="server" EnablePartialRendering="True" />
    <ext:ScriptManager ID="ScriptManager2" runat="server" ScriptMode="Debug" />
    <ext:ComboBox ID="ComboBox1"
        runat="server"
        EmptyText="----"
        FireSelect&#111;nload="True"
        Width="255">
        <Items>
            <ext:ListItem Text="Create new Country..." Value="" />
            <ext:ListItem Text="Canada" Value="CA" />
            <ext:ListItem Text="United States" Value="USA" />
        </Items>
        <Listeners>
            <Select Handler="#{ComboBox2}.clearValue();" />
        </Listeners>
    </ext:ComboBox>
    <ext:ComboBox ID="ComboBox2"
        runat="server"
        EmptyText="----"
        FireSelect&#111;nload="True"
        Width="255">
        <Items>
            <ext:ListItem Text="Create new Province ..." Value="" />
            <ext:ListItem Text="Ontario" Value="ON" />
            <ext:ListItem Text="Quebec" Value="QC" />
        </Items>
        <Listeners>
            <Select Handler="#{ComboBox3}.clearValue();" />
        </Listeners>
    </ext:ComboBox>
    <ext:ComboBox ID="ComboBox3"
        runat="server"
        EmptyText="-----"
        FireSelect&#111;nload="True"
        Width="255">
        <Items>
            <ext:ListItem Text="Create new City ..." Value="" />
            <ext:ListItem Text="Ottawa" Value="OT" />
            <ext:ListItem Text="Toronto" Value="TO" />
        </Items>
    </ext:ComboBox>
    <ext:Button ID="Button1" runat="server" AutoPostBack="True" &#111;nclick="Button1_Click" Text="Submit">
        <Listeners>
            <Click Handler="
                    alert('ComboBox1.selectedIndex=' + #{ComboBox1}.selectedIndex + ' ' + 'ComboBox2.selectedIndex=' + #{ComboBox2}.selectedIndex + ' ' + 'ComboBox3.selectedIndex=' + #{ComboBox3}.selectedIndex);
                    if (#{ComboBox3}.selectedIndex &amp;gt; 0) #{ComboBox3}.clearValue();
                    else if (#{ComboBox2}.selectedIndex &amp;gt; 0) #{ComboBox2}.clearValue();
                    else #{ComboBox1}.clearValue();
                "/>
        </Listeners>
    </ext:Button>
    <ext:Label ID="Label1" runat="server" Text="Waiting ..." />
    </form>
</body>
</html>
    Replication steps:

    1. Load page
    2. Select 'Canada', 'Ontario', 'Ottawa'
    3. Hit 'Submit' (works)
    4. Hit 'Submit' again (fails) ?

    Cheers,
    Timothy
  2. #12
    Oct 10, 2008, 3:16 PM

    RE: [FIXED] [V0.7.0] ComboBox Bug

    Geoffrey,

    When are you expecting changes to the control? I've got broken things on our solution because we are using this control to use the HttpProxy in the store for a dropdown.

    Please advise.

    Timothy
  3. #13
    Oct 12, 2008, 9:24 PM

    RE: [FIXED] [V0.7.0] ComboBox Bug



    Hi Timothy,

    We added a new client-side property/function to the <ext:ComboBox> called .getSelectedIndex().

    The following code sample demonstrates your last example but using .getSelectedIndex().

    Example

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


<%@ Register Assembly="Coolite.Ext.Web" Namespace="Coolite.Ext.Web" TagPrefix="ext" %>


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">


<script runat="server">
    protected void Button1_Click(object sender, EventArgs e)
    {
        Label1.Text = String.Format("{0} is index: {1}", ComboBox2.SelectedItem.Text, ComboBox2.SelectedIndex);
    }
</script>


<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>Example</title>
</head>
<body>
    <p><a href="LinkedComboBoxes.aspx">Reload</a></p>
    <form id="form1" runat="server">
        <asp:ScriptManager ID="ScriptManager1" runat="server" />
        <ext:ScriptManager ID="ScriptManager2" runat="server" ScriptMode="Debug" />
        
        <ext:ComboBox ID="ComboBox1"
            runat="server"
            EmptyText="----"
            FireSelect&#111;nload="True"
            Width="255">
            <Items>
                <ext:ListItem Text="Create new Country..." Value="" />
                <ext:ListItem Text="Canada" Value="CA" />
                <ext:ListItem Text="United States" Value="USA" />
            </Items>
            <Listeners>
                <Select Handler="console.log('ComboBox1_Select');#{ComboBox2}.clearValue();" />
                <Change Handler="console.log('ComboBox1_Change');" />
            </Listeners>
        </ext:ComboBox>
        
        <ext:ComboBox 
            ID="ComboBox2"
            runat="server"
            EmptyText="----"
            FireSelect&#111;nload="True"
            Width="255">
            <Items>
                <ext:ListItem Text="Create new Province ..." Value="" />
                <ext:ListItem Text="Ontario" Value="ON" />
                <ext:ListItem Text="Quebec" Value="QC" />
            </Items>
            <Listeners>
                <Select Handler="console.log('ComboBox2_Select');#{ComboBox3}.clearValue();" />
            </Listeners>
        </ext:ComboBox>
        
        <ext:ComboBox ID="ComboBox3"
            runat="server"
            EmptyText="-----"
            FireSelect&#111;nload="True"
            Width="255">
            <Items>
                <ext:ListItem Text="Create new City ..." Value="" />
                <ext:ListItem Text="Ottawa" Value="OT" />
                <ext:ListItem Text="Toronto" Value="TO" />
            </Items>
            <Listeners>
                <Select Handler="console.log('ComboBox3_Select');" />
            </Listeners>
        </ext:ComboBox>
        
        <ext:Button ID="Button1" runat="server" AutoPostBack="True" &#111;nclick="Button1_Click" Text="Submit">
            <Listeners>
                <Click Handler="
                    alert('ComboBox1.getSelectedIndex() = ' 
                        + #{ComboBox1}.getSelectedIndex() + '\n' 
                        + 'ComboBox2.getSelectedIndex() = ' 
                        + #{ComboBox2}.getSelectedIndex() + '\n' 
                        + 'ComboBox3.getSelectedIndex() = ' 
                        + #{ComboBox3}.getSelectedIndex());
                        
                    if (#{ComboBox3}.getSelectedIndex() &amp;gt; 0) {
                        #{ComboBox3}.clearValue();
                    } else if (#{ComboBox2}.getSelectedIndex() &amp;gt; 0) { 
                        #{ComboBox2}.clearValue();
                    } else {
                        #{ComboBox1}.clearValue();
                    }"/>
            </Listeners>
        </ext:Button>
        
        <ext:Label ID="Label1" runat="server" Text="Waiting ..." />
    </form>
</body>
</html>
    Hope this helps.
    Geoffrey McGill
    Founder
    Ext.NETASP.NET UI Component framework
    RetypeDocumentation website generator
    MojeeLightning fast Emoji library for .NET
    Ext.NET Examples|Ext.NET API Docs|ExtJS API Docs|Twitter
  4. #14
    Oct 12, 2008, 9:28 PM

    RE: [FIXED] [V0.7.0] ComboBox Bug



    FYI: The .setValueEx() function has been renamed to .setValueAndFireSelect().
    Geoffrey McGill
    Founder
    Ext.NETASP.NET UI Component framework
    RetypeDocumentation website generator
    MojeeLightning fast Emoji library for .NET
    Ext.NET Examples|Ext.NET API Docs|ExtJS API Docs|Twitter
  5. #15
    Oct 13, 2008, 10:48 AM

    RE: [FIXED] [V0.7.0] ComboBox Bug

    Geoffrey,

    Great! I'm going to give this a go today and I'll get back to you :)

    Sincerely,
    Timothy Grant Vogelsang
  6. #16
    Oct 13, 2008, 12:09 PM

    RE: [FIXED] [V0.7.0] ComboBox Bug

    Awesome works very well Geoffrey, thanks for the effort!

    Cheers,
    Timothy
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