ASPxEdit.ValidateEditorsInContainer(Control) Method
Performs validation of visible editors that are located within the specified container.
Namespace: DevExpress.Web
Assembly: DevExpress.Web.v20.2.dll
Declaration
public static bool ValidateEditorsInContainer(
Control container
)Public Shared Function ValidateEditorsInContainer(
container As Control
) As BooleanParameters
| Name | Type | Description |
|---|---|---|
| container | Control | A Control object that specifies the container of the editors to be validated. |
Returns
| Type | Description |
|---|---|
| Boolean | true if the specified visible editors pass validation; otherwise, false. |
Remarks
NOTE
The ValidateEditorsInContainer method validates both initial and changed editor values.
Examples
This example demonstrates how to validate editors in a container on the server side. The ASPxEdit.ValidateEditorsInContainer method is used to determine the validity of editors within a callback panel.
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<%@ Register Assembly="DevExpress.Web.v11.1, Version=11.1.9.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a"
Namespace="DevExpress.Web.ASPxCallbackPanel" TagPrefix="dx" %>
<%@ Register Assembly="DevExpress.Web.v11.1, Version=11.1.9.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a"
Namespace="DevExpress.Web.ASPxPanel" TagPrefix="dx" %>
<%@ Register Assembly="DevExpress.Web.ASPxEditors.v11.1, Version=11.1.9.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a"
Namespace="DevExpress.Web.ASPxEditors" TagPrefix="dx" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>How to validate editors in container </title>
<script type="text/javascript" language="javascript">
function Validate(s, e) {
if (ASPxClientEdit.ValidateGroup('testGroup'))
ClientCallbackPanelDemo.PerformCallback('');
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<dx:ASPxButton ID="ASPxButtonSave" runat="server" Text="Validate" AutoPostBack="False">
<ClientSideEvents Click="Validate" />
</dx:ASPxButton>
<br />
<dx:ASPxCallbackPanel ID="ASPxCallbackPanelDemo" runat="server" HideContentOnCallback="False"
ClientInstanceName="ClientCallbackPanelDemo" OnCallback="ASPxCallbackPanelDemo_Callback">
<PanelCollection>
<dx:PanelContent ID="PanelContent1" runat="server">
<table cellspacing="0" cellpadding="4" runat="server" id="serverContainer">
<tr>
<td style="width: 60px;">
<dx:ASPxLabel runat="server" ID="NameLabel" AssociatedControlID="txtNum1" Text="Number 1:" />
</td>
<td>
<dx:ASPxTextBox ID="txtNum1" runat="server" Width="170px" OnValidation="ASPxTextBoxTest_Validation">
<ValidationSettings ValidationGroup="testGroup">
<RequiredField IsRequired="True" ErrorText="Number 1 is required" />
</ValidationSettings>
</dx:ASPxTextBox>
</td>
</tr>
<tr>
<td style="width: 60px;">
<dx:ASPxLabel runat="server" ID="ASPxLabel1" AssociatedControlID="txtNum2" Text="Number 2:" />
</td>
<td>
<dx:ASPxTextBox ID="txtNum2" runat="server" Width="170px" OnValidation="ASPxTextBoxTest_Validation">
<ValidationSettings ValidationGroup="testGroup">
<RequiredField IsRequired="True" ErrorText="Number 2 is required"/>
</ValidationSettings>
</dx:ASPxTextBox>
</td>
</tr>
</table>
</dx:PanelContent>
</PanelCollection>
</dx:ASPxCallbackPanel>
</div>
</form>
</body>
</html>