Error Loading UpdatePanel In IE

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Dear All, I am using UpdatePanel for My Website which all controls of Ajax 4.0 works fine except the UpdatePanel. I am using VS 2010 and Ajax 4.0 with bellow simple code but I am getting an error which does not provide enought information.

ASPX Page Code

XML

<div>
        <asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
        </asp:ToolkitScriptManager>
        <asp:UpdatePanel ID="UpdatePanel1" runat="server" ChildrenAsTriggers="true" >
        <ContentTemplate>
        <asp:TextBox runat="server" ID="txt"></asp:TextBox>
        <asp:LinkButton runat="server" ID="btn" Text="Save" onclick="btn_Click"></asp:LinkButton>
        </ContentTemplate>
        </asp:UpdatePanel>
    </div>

Code Behind

C#

protected void btn_Click(object sender, EventArgs e)
{
        txt.Text = "Updated..";
}

Error While Loading Page

MSIL

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; WOW64; Trident/4.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.30729; .NET CLR 4.0.20506; InfoPath.2; OfficeLiveConnector.1.3; OfficeLivePatch.0.0; .NET CLR 3.0.30729)
Timestamp: Fri, 14 Jan 2011 14:32:16 UTC

Message: Sys.ArgumentNullException: Value cannot be null.
Parameter name: panelsCreated[1]
Line: 157
Char: 12
Code: 0
URI: http://localhost/SDU/ScriptResource.axd?d=MDaM6TjDTGWQCy4n3IuBEN_ycdt0JqxmU6EucUsq_cr2s5FGE_al8YZWIA-mu0xQ-uX0D22OKimDy_DScsPx2w2&t=11e6618b

all Ajax 4.0 Controls works fine except the UpdatePanel.

Posted 14-Jan-11 3:36am

Abdul Rahman Hamidy

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thatraja · Answer 1 · 2011-01-14T15:53:00

Solution 1

Try these which has solution

Sys.ArgumentNullException: Value cannot be null. Parameter name: postBackElement[^]

Report viewer web part problems[^]

Sys.ArgumentNullException: Value cannot be null.[^]

EDIT
------------------

OP wrote:
Error Message: Sys.InvalidOperationException: Could not find UpdatePanel with ID ''. If it is being updated dynamically then it must be inside another UpdatePanel.

Here you go

SOLUTION : Sys.InvalidOperationException: Could not find UpdatePanel with ID 'ctl00_ContentPlaceHolder1_updatePanel1'. If it is being updated dynamically then it[^]

Posted 14-Jan-11 15:53pm

thatraja

Updated 26-Jan-11 4:55am

v2

Comments

Abdul Rahman Hamidy 26-Jan-11 9:25am

thanks for reply, I tried debug="false" in web.Config file, the problem is solved but now I am getting bellow error
Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; WOW64; Trident/4.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.30729; .NET CLR 4.0.20506; InfoPath.2; OfficeLiveConnector.1.3; OfficeLivePatch.0.0; .NET CLR 3.0.30729)
Timestamp: Wed, 26 Jan 2011 14:23:51 UTC

Message: Sys.InvalidOperationException: Could not find UpdatePanel with ID ''. If it is being updated dynamically then it must be inside another UpdatePanel.
Line: 2
Char: 74672
Code: 0
URI: http://localhost/SDU/ScriptResource.axd?d=IDEF6S5g92VWXUA2SbDEfEypgy5lSHxsVjkEImUEM3QCjnl7sGMdQ8mEkpEXVxUH0&t=11e6618b

I googled alot and find out solutions but none worked for me. any ideas?

thatraja 26-Jan-11 10:55am

Check my updated answer

Abdul Rahman Hamidy 26-Jan-11 12:28pm

thanks, I already tried the link but there is not clear solution on that link.