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Apart from the standard filter options, the MultiColumnComboBox allows you to set fields against which the data will be filtered.

The option accepts an array of strings.

    .FilterFields(new string[] { "ContactName", "ContactTitle" })
    .Columns(columns =>
        columns.Add().Field("ContactName").Title("Contact Name").Width("200px")
        columns.Add().Field("ContactTitle").Title("Contact Title").Width("200px");
        columns.Add().Field("CompanyName").Title("Company Name").Width("200px");
    .DataSource(source => source
        .Read(read => read.Action("Products_Read", "MultiColumnComboBox"))

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