FilterValue(String, String, String) Constructor

Initializes a new instance of the FilterValue class with the specified settings.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v24.2.dll

Declaration

C#

public FilterValue(
    string displayText,
    string value,
    string query
)

VB.NET

Public Sub New(
    displayText As String,
    value As String,
    query As String
)

Parameters

Name	Type	Description
displayText	String	A String value that specifies the text displayed within the Header Filter. This value is assigned to the FilterValue.DisplayText property.
value	String	A String value that specifies the filter item’s value. This value is assigned to the FilterValue.Value property.
query	String	A String value that specifies the item’s filter expression. This value is assigned to the FilterValue.Query property.

Example

C#

protected void ASPxGridView1_HeaderFilterFillItems(object sender, 
DevExpress.Web.ASPxGridViewHeaderFilterEventArgs e)
{
    if (e.Column.FieldName != "FieldName") return;

    e.Values.Clear();

    // Example 1: Equals to 50
    FilterValue filterItem1 = new FilterValue();
    filterItem1.DisplayText = "Filter Value1";
    filterItem1.Value = "50";
    e.Values.Add(filterItem1);

    // Example 2: Equals to 100
    FilterValue filterItem2 = new FilterValue("Filter Value2", "100");
    e.Values.Add(filterItem2);

    // Example 3: Greater than 50
    FilterValue filterItem3 = 
    new FilterValue("> 50", null, string.Format("[FieldName] > {0}", 50));
    e.Values.Add(filterItem3);

    // Example 4: Clear Filtering
    FilterValue showAllItem = FilterValue.CreateShowAllValue("Show All");
    // FilterValue showAll = 
    //new FilterValue("Show All", null, FilterValue.FilterAllQuery);
    e.Values.Add(showAllItem);
}