ASPxGridHeaderFilterEventArgs.AddValue(String, String, String) Method
In This Article
Adds a new filter item with the specified filter criteria to the header filter.
Namespace: DevExpress.Web
Assembly: DevExpress.Web.v24.2.dll
NuGet Package: DevExpress.Web
#Declaration
#Parameters
Name | Type | Description |
---|---|---|
display |
String | A String value that specifies the filter item’s display text. |
value | String | A String value that specifies the filter item’s value. |
query | String | A String value that represents the filter criteria. |
#Remarks
Note that the ASPxGridView header filter allows the use of HTML tags in the displayText parameter.
#Example
This example creates custom filter items and displays them within the Units On Order column’s filter dropdown.
protected void ASPxGridView1_HeaderFilterFillItems(object sender, DevExpress.Web.ASPxGridViewHeaderFilterEventArgs e) {
if (e.Column.FieldName != "Quantity") return;
e.AddValue("nonzero", string.Empty, "[Quantity] != 0");
e.AddValue(String.Format("from {0} to {1}", 0, 50), string.Empty, String.Format("[Quantity] > {0} and [Quantity] < {1}", 0, 50));
e.AddValue(String.Format(">= {0}", 50), string.Empty, String.Format("[Quantity] >= {0}", 50));
}
See Also