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Selecting multiple values in Multiselect

  1. #1
    Nov 21, 2011, 3:37 PM

    Selecting multiple values in Multiselect

    Hello there,
    string value="[2,3]";
    cmbMultiSelect.SetValue(value);

    I am using the above C# code to set multiple values in a multiselect control. But it is not working.
    Can you please help with the code to select multiple values in multiple select on a page load event?
    thanks
  2. #2
    Nov 23, 2011, 7:26 AM
    Hi,

    Please populate SelectedItems during Page_Load and use SetValue during a DirectEvent.

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

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

<script runat="server">
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!X.IsAjaxRequest)
        {
            this.MultiSelect1.SelectedItems.Add(new SelectedListItem("1"));
            this.MultiSelect1.SelectedItems.Add(new SelectedListItem("3"));
        }
    }
    
    protected void SetValues(object sender, DirectEventArgs e)
    {
        this.MultiSelect1.SetValue("2,4");
    }
</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 runat="server">
    <title>Ext.Net Example</title>
</head>
<body>
    <form runat="server">
        <ext:ResourceManager runat="server" />
        <ext:MultiSelect ID="MultiSelect1" runat="server">
            <Items>
                <ext:ListItem Text="Item1" Value="1" />
                <ext:ListItem Text="Item2" Value="2" />
                <ext:ListItem Text="Item3" Value="3" />
                <ext:ListItem Text="Item4" Value="4" />
            </Items>
        </ext:MultiSelect>
        <ext:Button runat="server" Text="Set '2,4' values" OnDirectClick="SetValues" />
    </form>
</body>
</html>

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