Hi,
There is no such property on server side.
I'd suggest the following way.
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 object[]
{
new object[] { "test11", "test12", "test13" },
new object[] { "test12", "test22", "test23" },
new object[] { "test13", "test32", "test33" }
};
store.DataBind();
}
}
protected void SelectedAll(object sender, DirectEventArgs e)
{
X.Msg.Alert("DirectEvent", e.ExtraParams["selectedAll"]).Show();
}
</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:ArrayReader>
<Fields>
<ext:RecordField Name="test1" />
<ext:RecordField Name="test2" />
<ext:RecordField Name="test3" />
</Fields>
</ext:ArrayReader>
</Reader>
</ext:Store>
</Store>
<ColumnModel runat="server">
<Columns>
<ext:Column Header="Test1" DataIndex="test1" />
<ext:Column Header="Test2" DataIndex="test2" />
<ext:Column Header="Test3" DataIndex="test3" />
</Columns>
</ColumnModel>
<SelectionModel>
<ext:CheckboxSelectionModel runat="server" />
</SelectionModel>
</ext:GridPanel>
<ext:Button runat="server" Text="Selected all?">
<DirectEvents>
<Click OnEvent="SelectedAll">
<ExtraParams>
<ext:Parameter
Name="selectedAll"
Value="GridPanel1.selModel.getCount() === GridPanel1.store.getCount()"
Mode="Raw" />
</ExtraParams>
</Click>
</DirectEvents>
</ext:Button>
</form>
</body>
</html>
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