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ValidationSettings.Display Property

Specifies whether an editor renders an empty space for the error message initially or dynamically when the editor fails validation.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v24.2.dll

Declaration

[DefaultValue(Display.Static)]
public Display Display { get; set; }

Property Value

Type Default Description
Display Static

One of the numeration values.

Available values:

Name Description Image
Static

An editor initially renders an empty space reserved for the error message.

Display_Static.png

Dynamic

An editor renders the space for the error message dynamically at the moment the editor fails validation.

Display_Dynamic.png

None

No error message is displayed.

Property Paths

You can access this nested property as listed below:

Object Type Path to Display
ASPxEdit
.ValidationSettings .Display
EditProperties
.ValidationSettings .Display

Remarks

Editor Display Modes

When an editor is displayed inside another control, for instance, is the ASPxGridView or ASPxFormLayout, set the Display property to Dynamic to not render the empty space (the validation error element) near the editor.

Grid Example

Grid Display Modes

<dx:GridViewDataSpinEditColumn FieldName="UnitPrice">
    <PropertiesSpinEdit DisplayFormatString="c" DisplayFormatInEditMode="true" MinValue="0" MaxValue="60000">
        <ValidationSettings Display="Dynamic" RequiredField-IsRequired="true" />
    </PropertiesSpinEdit>
</dx:GridViewDataSpinEditColumn>
settings.CellEditorInitialize = (s, e) ={
    ASPxEdit editor = (ASPxEdit)e.Editor;
    editor.ValidationSettings.Display = Display.Dynamic;
};

Form Layout Example

Form Layout Display Modes

<dx:LayoutGroup Caption="Personal Information" ColCount="2">
    <Items>
        <dx:LayoutItem Caption="First Name" FieldName="FirstName">
            <LayoutItemNestedControlCollection>
                <dx:LayoutItemNestedControlContainer runat="server" SupportsDisabledAttribute="True">
                    <dx:ASPxTextBox ID="firstNameTextBox" runat="server" Width="100%">
                        <ValidationSettings RequiredField-IsRequired="true" Display="Dynamic" />
                    </dx:ASPxTextBox>
                </dx:LayoutItemNestedControlContainer>
            </LayoutItemNestedControlCollection>
        </dx:LayoutItem>
        <dx:LayoutItem Caption="Last Name" FieldName="LastName">
            <LayoutItemNestedControlCollection>
                <dx:LayoutItemNestedControlContainer runat="server" SupportsDisabledAttribute="True">
                    <dx:ASPxTextBox ID="lastNameTextBox" runat="server" Width="100%" />
                </dx:LayoutItemNestedControlContainer>
            </LayoutItemNestedControlCollection>
        </dx:LayoutItem>
        <dx:LayoutItem Caption="Birth Date" FieldName="BirthDate">
            <LayoutItemNestedControlCollection>
                <dx:LayoutItemNestedControlContainer runat="server" SupportsDisabledAttribute="True">
                    <dx:ASPxDateEdit ID="birthDateEdit" runat="server" />
                </dx:LayoutItemNestedControlContainer>
            </LayoutItemNestedControlCollection>
        </dx:LayoutItem>
    </Items>
</dx:LayoutGroup>

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the Display property.

Note

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See Also