Writing a validation on fck editor

I am trying to write a validation on my fck editor. The problem is we have it as our own user control. I want to write a validation some thing like a user can enter 3 lines or say 100 characters. How do I do it with fck editor?

I tried regular text box validation and it doesnt work.

Fri, 08/08/2008 - 12:56

psykoptic

Joined: 09/02/2008

Posts: 61

Re: Writing a validation on fck editor

You'll need to use a customvalidator control and use it to verify the contents of FCKEditorInstanceName.value are what you expect. This is .NET development and nothing really to do with FCKEditor.

A very, very quick example:

<body>
    <form id="form1" runat="server">
    <div>
    <fckeditorv2:fckeditor ID="FCKContent" runat="server" Height="450px" Width="620px"/>  
        <asp:CustomValidator ID="CustomValidator1" runat="server" 
            ErrorMessage="CustomValidator" 
            onservervalidate="CustomValidator1_ServerValidate" />  
    </div>
    <asp:Button ID="Button1" runat="server" Text="Button" />
    </form>
</body>

code-behind snippet:

  protected void CustomValidator1_ServerValidate(object source, ServerValidateEventArgs args)
    {
        if ((FCKContent.Value == "<p></p>") || (FCKContent.Value.Length == 0))
        {
            CustomValidator1.ErrorMessage = "Please enter some HTML content";
            args.IsValid = false;
        }
        else
        {
            args.IsValid = true;
        }
    }

Obviously you'd need to put in your own custom logic, and not just detect a Length or empty string value. I suggest reading the CustomValidator .NET documentation