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[CLOSED] Render property of type List<T> in GridPanel column

  1. #1
    Feb 08, 2011, 3:30 PM

    [CLOSED] Render property of type List<T> in GridPanel column

    Is it possible to render a property of type List<T> in a GridPanel column as a comma separated list?

    For example:
    A User object contains a list of Roles ("user.Roles"). How can the Roles be rendered as "Admin, SuperUser, User" etc.?

    Can you show me the direction in how to setup the Store and the GridPanel (render or convert functions)?
    Last edited by geoffrey.mcgill; Feb 09, 2011 at 5:13 PM. Reason: [CLOSED]
  2. #2
    Feb 08, 2011, 4:16 PM
    Hi,

    Please see the following example. The key thing is IsComplex="true".

    Example
    <%@ 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)
        {
            Store store = this.GridPanel1.GetStore();
            store.DataSource = new List<object> 
            { 
                new { 
                    Name = "user1", 
                    Roles = new List<string> { 
                            "role1", "role2", "role3" 
                    } 
                },
                new { 
                    Name = "user2", 
                    Roles = new List<string> { 
                            "role4", "role5", "role6" 
                    } 
                }
            };
            store.DataBind();
        }
    }
</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:GridPanel ID="GridPanel1" runat="server" AutoHeight="true">
        <Store>
            <ext:Store runat="server">
                <Reader>
                    <ext:JsonReader>
                        <Fields>
                            <ext:RecordField Name="Name" />
                            <ext:RecordField Name="Roles" IsComplex="true" />
                        </Fields>
                    </ext:JsonReader>
                </Reader>
            </ext:Store>
        </Store>
        <ColumnModel runat="server">
            <Columns>
                <ext:Column Header="Name" DataIndex="Name" />
                <ext:Column Header="Roles" DataIndex="Roles" />
            </Columns>
        </ColumnModel>
    </ext:GridPanel>
    </form>
</body>
</html>
    Last edited by geoffrey.mcgill; Feb 09, 2011 at 5:13 PM.

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