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A page can have only one server-side Form tag.

Posted by Alok under ASP.NET on 4/12/2011 | Points: 10 | Views : 39891 | Status : [Member] | Replies : 10
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""A page can have only one server-side Form tag."" i m getting this error after successfully execution of code when i try to convert gridview data to word or any other format..
i have declare the function
public override void VerifyRenderingInServerForm(Control control)
{
//

}
but still getting error..
is there any code required inside this function then plz send me code..

Thanks & Regards,
Alokssm

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Posted by: Prabhakar on: 4/12/2011 [Member] [MVP] Starter | Points: 25

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Hi Alok

Show ur Code . . full brief . . so chek it out . .

Best Regard's
Prabhakar

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Posted by: Alok on: 4/12/2011 [Member] Starter | Points: 25

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protected void Button1_Click(object sender, EventArgs e)
{SmtpClient SMTP = new SmtpClient();
SMTP.Host = "smtp.gmail.com";
System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage();
message.From = new MailAddress(strFrom);
message.To.Add(strTo);

message.Body = GridViewToHtml(GridView1);

message.ReplyTo = new MailAddress(strFrom);
message.Headers.Add("Reply-To", strFrom);


message.IsBodyHtml = true;
SMTP.Port = 25;

SMTP.EnableSsl = true;

SMTP.Credentials = new System.Net.NetworkCredential("abc@gmail.com", "password");
SMTP.Send(message);

}

private string GridViewToHtml(GridView gv)
{
StringBuilder sb = new StringBuilder();



System.IO.StringWriter stringWrite = new System.IO.StringWriter(sb);
System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);
// Create a form to contain the grid
HtmlForm frm = new HtmlForm();
GridView1.Parent.Controls.Add(frm);
// frm.Attributes["runat"] = "server";
frm.Controls.Add(GridView1);
frm.RenderControl(htmlWrite);




// gv.RenderControl(hw);
return sb.ToString();
}

public override void VerifyRenderingInServerForm(Control control)
{



}



Thanks & Regards,
Alokssm

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Posted by: Alok on: 4/12/2011 [Member] Starter | Points: 25

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i m waiting for reply...
Regards

Thanks & Regards,
Alokssm

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Posted by: Pavanandey on: 4/12/2011 [Member] Bronze | Points: 25

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can you post the HTML tag info also

Thanks
Pavan Kumar
Mark Answer if this fits the need

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Posted by: Prabhakar on: 4/12/2011 [Member] [MVP] Starter | Points: 25

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Hi alok . .

Sorry for let replying. . . i am just busy in work . .

i think server tag not supported two time in page . .
u check this code is this working for u . . write on button click 


Response.AddHeader("content-disposition", "attachment;filename=Export.doc");



        Response.Cache.SetCacheability(HttpCacheability.NoCache);



        Response.ContentType = "application/vnd.word";



        System.IO.StringWriter stringWrite = new System.IO.StringWriter();



        System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);



        // Create a form to contain the grid



        HtmlForm frm = new HtmlForm();



        gv.Parent.Controls.Add(frm);



        frm.Attributes["runat"] = "server";



        frm.Controls.Add(gv);



        frm.RenderControl(htmlWrite);



        //GridView1.RenderControl(htw);



        Response.Write(stringWrite.ToString());



        Response.End();


Best Regard's
Prabhakar

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Posted by: Prabhakar on: 4/12/2011 [Member] [MVP] Starter | Points: 25

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Alok.. .

also check this link

http://www.dotnetfunda.com/articles/article1150-all-in-one-export-data-in-aspnet-gridview-to-doc-gridview-to-excel-gr-.aspx

Best Regard's
Prabhakar

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Posted by: Alok on: 4/12/2011 [Member] Starter | Points: 25

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<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat ="server">

<asp:Button ID="Button1" runat="server" Style="position: relative"
Text="Button" OnClick="Button1_Click" /><br />
<asp:GridView ID="GridView1" runat="server" Style="position: relative" AllowPaging="True" PageSize="3" >
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:LinkButton ID="LinkButton1" runat="server" Style="position: relative">show</asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>


</form>
</body>
</html>

Thanks & Regards,
Alokssm

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Posted by: Alok on: 4/12/2011 [Member] Starter | Points: 25

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Not Working..

Thanks & Regards,
Alokssm

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Posted by: NDebata on: 4/13/2011 [Member] Starter | Points: 25

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Hi Alok,

As you have a form tag in ur page ("form1"), it will not allow you add one more.

Could you please try the following.

Try you to use "form1", instead of dynamically creating a new one inside your code.
Please note that form1 contains your GridView1, So need to add it again.

Thanks,
Debata


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Posted by: Nishithraj on: 4/13/2011 [Member] Bronze | Points: 25

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You are trying to duplicate the form tag. So please remove either one.

Mark this as answer, if it is.....

With regards
Nishithraj Narayanan

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