Skip to main content

ASPxHtmlEditor.ReplacePlaceholders(String, Object) Method

Replaces placeholders with the specified values.

Namespace: DevExpress.Web.ASPxHtmlEditor

Assembly: DevExpress.Web.ASPxHtmlEditor.v24.1.dll

NuGet Package: DevExpress.Web

Declaration

public static string ReplacePlaceholders(
    string html,
    object placeholders
)

Parameters

Name Type Description
html String

A string value that specifies the HTML code to process.

placeholders Object

An object that specifies the placeholders and values to replace them.

Returns

Type Description
String

A string value that is the resulting HTML code with the placeholders replaced.

Example

This example demonstrates how to replace placeholders with data specified as an object. When the Insert Date button is clicked, the DateNow and TimeNow placeholders are replaced using the ASPxHtmlEditor.ReplacePlaceholders method’s ReplacePlaceholders(string html, object placeholders) overload.

<dx:ASPxHtmlEditor ID="HtmlEditor" ClientInstanceName="HtmlEditor" runat="server">
    <Toolbars>
        <dx:HtmlEditorToolbar>
            <Items> ... </Items>
        </dx:HtmlEditorToolbar>
    </Toolbars>
    <Placeholders>
        <dx:HtmlEditorPlaceholderItem Value="DateNow" />
        <dx:HtmlEditorPlaceholderItem Value="TimeNow" />
        <dx:HtmlEditorPlaceholderItem Value="FirstName" />
        <dx:HtmlEditorPlaceholderItem Value="LastName" />
    </Placeholders>
</dx:ASPxHtmlEditor>
<dx:ASPxButton ID="DateButton" runat="server" OnClick="Insert_Date" Text="Insert Date" />
private class PlaceholdersForDate {
    private DateTime date = DateTime.Now;
    private string formatDate = "d MMM yyyy";
    private string formatTime = "HH:mm";
    public string DateNow {
        get {
            return date.ToString(formatDate);
        }
    }
    public string TimeNow {
        get {
            return date.ToString(formatTime);
        }
    }
}
// Replaces placeholders specified as an object
protected void Insert_Date(object sender, EventArgs e) {
    PlaceholdersForDate placeholdersForDate = new PlaceholdersForDate();
    string html = HtmlEditor.Html;
    string newHtml = ASPxHtmlEditor.ReplacePlaceholders(html, placeholdersForDate);
    HtmlEditor.Html = newHtml;
}
See Also