How to insert text into textarea through c# with WebBrowser

Question

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hi;

How to insert text into textarea through c# with Forms.WebBrowser?

XML

<body contenteditable="true" class="cke_editable cke_editable_themed cke_contents_rtl cke_show_borders" spellcheck="false"><p></p></body>

example :

C#

doc.GetElementById("title").SetAttribute("Value", txtTitle.Text);

or:

C#

HtmlElement textArea = webBrowserBlog.Document.All["body"];
if (textArea != null)
{
    textArea.InnerText = "This is a test";
}

Posted 30-Nov-14 11:35am

samadblaj

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Comments

BillWoodruff 30-Nov-14 17:41pm

When you execute the second code example: do you get a non-null result for 'textArea ?

samadblaj 30-Nov-14 17:46pm

I do not know.
Please check example
My code:
<body contenteditable="true" class="cke_editable cke_editable_themed cke_contents_rtl cke_show_borders" spellcheck="false"><p></p></body>

BillWoodruff 30-Nov-14 18:15pm

If you have not tested this code, so you don't know whether you get non-null result, I can't help you.

samadblaj 30-Nov-14 18:19pm

error in send :
HtmlElement textArea = webBrowserBlog.Document.All["cke_editable cke_editable_themed cke_contents_rtl cke_show_borders"];
if (textArea != null)
{
textArea.InnerText = "This is a test";
}

BillWoodruff 30-Nov-14 18:51pm

I have no idea what "error in send" means. Put a break-point in your code and identify where the error occurs, and what the exact error message is.

samadblaj 30-Nov-14 19:21pm

This code does not answer...

1 solution

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Praveen Kumar Upadhyay · Answer 1 · 2014-11-30T21:18:00

See the solution below.

Default.aspx

XML

<head runat="server">
    <title></title>
    <script type="text/javascript">
        function SetValue(str) {
            document.getElementById("foo").value = str; ;
        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <textarea id="foo"></textarea>
        <asp:Button Text="Click" ID="btn" runat="server" onclick="btn_Click" />
    </div>
    </form>
</body>
</html>

Default.aspx.cs

C#

protected void btn_Click(object sender, EventArgs e)
       {
           string str = "hello";
           ScriptManager.RegisterStartupScript(Page, typeof(Page), "", "javascript:SetValue('"+str+"')", true);
       }

I hope this will help you.