Hi,
ListerFilter doesn't support int options.
In general, I would suggest you to use NumericFilter.
But if you need ListFilter for an int column, I can demonstrate you the following example: see ValidateRecord and note that I populate StoreOptions with the string options.
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[] { 1, "test1" },
new object[] { 2, "test2" },
new object[] { 3, "test3" }
};
store.DataBind();
this.StoreOptions.DataSource = new object[]
{
new object[] { "1" },
new object[] { "2" },
new object[] { "3" }
};
this.StoreOptions.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>
<script type="text/javascript">
var myValidateRecord = function (record) {
return this.getValue().indexOf(record.get(this.dataIndex) + '') > -1;
}
</script>
</head>
<body>
<form runat="server">
<ext:ResourceManager runat="server" />
<ext:Store ID="StoreOptions" runat="server">
<Reader>
<ext:ArrayReader IDProperty="test1">
<Fields>
<ext:RecordField Name="test1" />
</Fields>
</ext:ArrayReader>
</Reader>
</ext:Store>
<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" />
</Fields>
</ext:ArrayReader>
</Reader>
</ext:Store>
</Store>
<ColumnModel runat="server">
<Columns>
<ext:Column Header="Test1" DataIndex="test1" />
<ext:Column Header="Test2" DataIndex="test2" />
</Columns>
</ColumnModel>
<Plugins>
<ext:GridFilters ID="GridFilters1" runat="server" Local="true">
<Filters>
<ext:ListFilter
DataIndex="test1"
StoreID="StoreOptions"
LabelField="test1"
Value="3">
<ValidateRecord Fn="myValidateRecord" />
</ext:ListFilter>
</Filters>
</ext:GridFilters>
</Plugins>
</ext:GridPanel>
</form>
</body>
</html>