I have a panel that sends an email message. I wish to use an ajax modal popup extender to display this panel when a user clicks a "Contact Us" link button. I get an error message when I try to run the application. My code follows.Thank you for any suggestions.
<body>
<form id="form1" runat="server">
<ajaxToolkit:ToolkitScriptManager ID="ScriptManager1" runat="server" />
<ajaxToolkit:ModalPopupExtender ID="ModalPopupExtender1" runat="server"
TargetControlID ="ContactUsLinkButton"
PopupControlID ="EmailPopupPanel"
OkControlID="OKButton"
CancelControlID="CancelButton"
DropShadow="true"
BackgroundCssClass ="modalBackground" />
<asp:LinkButton ID="ContactUsLinkButton" runat="server">Contact Us</asp:LinkButton>
<div >
<asp:Panel ID="EmailPopupPanel" runat="server" CssClass ="popupEmail" Width="325px" Style="display: none" >
<asp:Label ID="TitleLabel" runat="server" BackColor="#FFFFC0"
Font-Bold="True" Font-Size="Medium" ForeColor="SteelBlue" Text="Contact D`Stroke Tennis"
Width="300px"></asp:Label>
<br />
<asp:Label ID="InfoLabel" runat="server" Font-Bold="True" Font-Size="Medium" ForeColor="Red"></asp:Label>
<br />
<br />
<asp:Button ID="OKButton" runat="server" BackColor="#FFFFC0" Font-Bold="True" ForeColor="DarkRed"
Text="OK" Visible="False" /><br />
<span style="color: #990000"><strong><asp:Label ID="FromLabel" runat="server" Text="From:"></asp:Label></strong> </span>
<asp:TextBox ID="FromTextBox" runat="server" Width="250px" ForeColor="DarkRed"></asp:TextBox>
<br />
<br />
<asp:Label ID="ToLabel" runat="server" Text="To: admin@dotnet.itags.org.dstroketennis.com" Width="300px" BackColor="#FFFFC0" Font-Bold="True" ForeColor="DarkRed"></asp:Label>
<br />
<br />
<span style="color: #990000"><strong><asp:Label ID="SubjectLabel" runat="server"
Text="Subject:"></asp:Label></strong></span>
<asp:TextBox ID="SubjectTextBox" runat="server" Width="240px"></asp:TextBox><br />
<br />
<span style="color: #990000"><strong>
<asp:Label ID="MessageLabel" runat="server"
Text="Message:"></asp:Label></strong></span><br />
<asp:TextBox ID="MessageTextBox" runat="server" Height="150px" TextMode="MultiLine"
Width="300px" ForeColor="DarkRed"></asp:TextBox><br />
<asp:Button ID="SendEmailButton" runat="server" BackColor="#FFFFC0" BorderColor="DarkRed"
BorderStyle="Solid" Font-Bold="True" ForeColor="DarkRed" Text="Send Email" Width="173px" />
<br />
<asp:Button ID="CancelButton" runat="server" BackColor="#FFFFC0" BorderColor="DarkRed"
BorderStyle="Solid" Font-Bold="True" ForeColor="SteelBlue" Text="Cancel Email" Width="173px" /></asp:Panel>
</div>
</form>
</body>
Tags:ajax, ie 7, Microsoft JScript runtime error: Sys.ArgumentNullException: Value cannot be null. Parameter name: element
When do you get the Sys.ArgumentNullException error? Also, try getting rid of the Style="display: none" on the Panel...
-Damien
I get the error when the page loads.
I Got rid of the Style "display : none" and I get the same error on page load.
See if this related post helps:http://forums.asp.net/p/1107533/1700376.aspx
-Damien
I also ran across this:http://www.spthorn.com/blog.php?post=28&PHPSESSID=c42ace58bb0f0d24ab3d9d2eef948c4a
-Damien
Thanks Damien. The asp buttons weren't plugged into anything I am guessing. My new challenge with this now is to have the email send, and display a message that the send was a success before leaving modal state.
At least this one issue is handled.
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