Forms Data Controls :: Modified Find Control Fails On Another Machine?

Apr 13, 2010

The following utility works great on my machine but not on a partner's machine. The container and strChild values come through but the second line throws an error.

[Code]....

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Forms Data Controls :: Retain Values In A FormView When Validations Fails Or The SQL Fails On An Insert?

Oct 6, 2010

To me this should be much easier, but I can't seem to retain the values that are put in the Insert template upon a validation failure or when the sql fails. This will prevent the user from having to retype everything agin in the event of a failure.

As you can see I am using the Sub Insert_Click and not using an insert through the wizard. so the fields are unbound textboxes on the form. There are 2 dropdowns that provide choices for the other fields.

I pasted in the code using the text only option becuase the format was getting messed up. I probably need more background on why the fields are blanking out.

[code]....

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Web Forms :: Meta Tag - Controls Collection Cannot Be Modified Because Control Contains Code Blocks

Jun 9, 2012

I want use meta tag in my page that read keyword from database

I set this code in my product.aspx page 

protected void Page_Load(object sender, EventArgs e) {
SqlCommand _cmd = new SqlCommand("select Keyword1 + ',' + Keyword2 + ',' +Keyword3 from House_info where BehCode=1115", _cn);
_cn.Open();
SqlDataReader _dr = _cmd.ExecuteReader();
while (_dr.Read())

[Code] ....

It worked correctly and show my keywords from database and show it in my product.aspx metatag

I have two other page

index.aspx   and store.aspx  in index.aspx i have 1button and 1 TextBox when user type their BEHCODE(columns name in users table) in TextBox it go to store.aspx page and show that users information on store.aspx

Now i want set meta tag in store.aspx page and i want  fill store.aspx  meta tag from my users table in data base

 This is index.aspx

protected void ImageButton3_Click(object sender, ImageClickEventArgs e) {
string data = Server.UrlEncode(txtNumeric.Text);
SqlCommand _cmd = new SqlCommand("traidname", _cn);
_cmd.CommandType = CommandType.StoredProcedure;
_cmd.Parameters.Add("@BehCode", data);

[Code] ....

Here when i run website this error occur

The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>).

In this line

this.Page.Header.Controls.Add(htmlMeta);
 
I use this code too 

<script type="text/javascript">
        $("input[id$=btnButton]").live("click", function () {
            return confirm("Do you want to submit?");
        });
    </script>

But it didn't worked this problem just happen here when i used  meta tag code in  other page it worked correctly . Why this happen?

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Web Forms :: Excel Export - Controls Collection Cannot Be Modified Because Control Contains Code Blocks

Jan 24, 2012

The code on one of my aspx pages is giving me this error:

I'm getting this on the code behind for export to excel on one of my pages.

The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>).It is referring to this line Me.GridView1.Parent.Controls.Add(frm)

I have this code in the aspx page.  I am using two gridviews.  I need to have this on the page any way I can fix the code so I can use that export to excel you created?

  <% If(Session("PendingClaims"))%>then display gridview1<%Else%>

Then display gridview2<% End If %>

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HTTP - Stream.Write Fails On Server But Works On Dev Machine?

Jan 23, 2011

problem with Stream.Write() where it works under a dev (Windows 7) environment but fails under a server environment (Windows 2008 R2 Enterprise)?

I'm basically working with some third party code which reads from a FileStream and writing to an Http request, nothing unusual and it's doing the following things:

Ensuring that Response.KeepAlive is false (was originally true but worked W7 and not W2K8 so tried false but it doesn't );
Ensuring that the Write includes the length of the bytes to write;
Ensuring that I Flush the stream afterwards;

The error that I encounter is the rather vague 'The request was aborted: The request was canceled.' with InnerException of 'Cannot close stream until all bytes are written.'. Now, my code works perfectly under Windows 7 so I still suspect that something is actively blocking this writing although I am not sure what, how and where.

One other possibility I wondered about was whether the encoding might be different under Windows Server 2008 R2 as opposed to Windows 7?

Here's a code snippet from the relevant method (a bit convoluted but, disclaimer, I didn't write it :-):

string boundary = string.Concat("-------------------------", DateTime.Now.Ticks.ToString("x", CultureInfo.InvariantCulture));
byte[] boundaryBytes = System.Text.Encoding.UTF8.GetBytes(string.Concat("
--", boundary, "
"));........

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Forms Data Controls :: How To Find Control Problem In Gridview While Adding Checkbox Control Dynamically

Mar 15, 2010

i have a gridview control i added checkbox contrl dynamically but i am not getiing the reference of checkbox in button clilck event here is my code Gridvew

[Code]....

.vb code

[Code]....

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Web Forms :: Find Control In LoginView / Find The Controls In Code Behind?

Mar 8, 2011

I want to change the text of the user name text box which is inside a log in view on selected index chaged event of a drop down list.

this is my code:

[Code]....

but both ddl and tb are null

Anyone knows how can I find the controls in code behind?

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The Controls Collection Cannot Be Modified Because The Control Contains Code Blocks

Mar 27, 2011

i saw few of solutions for this exception (like putting it in place holder, or replace the <% to <# ...etc) , but i don't get the idea about it, i mean what is the controls collection? and why it can't be modified if the added control contains code blocks?

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C# - Controls Collection Cannot Be Modified Because The Control Contains Code Blocks?

Aug 11, 2010

I recently put some code <% %> code blocks in my Master Page. Note I've read of the "fix" for either moving things out of <head> or using <%# %> but neither of them work well for my application.

Now the weird thing is that I only get this error on one page of mine. All the other pages seem to work fine, so what actually causes this error? There is nothing I can think of that is unique about this page. It uses the script manager as does other working pages and there is just nothing extraordinary about this page. It does have quite a few custom controls on it, so hunting down what is different in this page is more difficult than usual.

So what actually causes the Controls collection cannot be modified because the control contains code blocks exception?

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The Controls Collection Cannot Be Modified Because Control Contains Code Blocks

Dec 18, 2012

Error: The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>)

I have the following in my master file to load a dynamic seasonal background image:

HTML Code:
<style type="text/css">
body
{
background-image:url("<%=backgroundImage%>");
background-position: top center;
}
</style>

It works fine on most of my pages, but on one it throws the above error.

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Forms Data Controls :: Get The Modified Records?

Dec 30, 2010

i am populating a grid view from one table, if any changes made in the particular table the particular modified cell should be highlighted... how can i do this.. ?

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Forms Data Controls :: Cannot Find Control In Listview

Jan 31, 2011

I've an anchor tag in listview itemtemplate, I'm trying to find that control in Listview Item databound event with the below snippet

[Code]....

but lnkEdit is always null.

I wonder why it is not able to find the control while I can see it in page view source.

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Forms Data Controls :: Can't Find Control In Calendar

Jan 14, 2011

I have a Calendar control on a webform and add a GridView to one of the cells. I am trying to get a reference to the GridView on a button click event, but just can't figure out how..

Here is the code:

[Code]....

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Forms Data Controls :: Find A Header Control?

Aug 22, 2010

Via RowDataBound, how to find a control in the header row?

This is what I have but not working!!!

[Code]....

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Forms Data Controls :: Control Find In Gridview?

Dec 2, 2010

i have a gridview and i have made table in gridview and in table i have bound some controlsbut i am unable to find control. if i am not using table in gridview then i am not facing the problem but when i am using table in gridview then i am facing this problem please send me a solution of this problem.

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Forms Data Controls :: Find A Specify Control Into Gridview?

Mar 15, 2010

I have a gridview and each row have an textbox for quantity, I need quantity.text to add product in database, but in my page I have 2 or more quantity textbox. How do I know which one is the good one...to add.

[Code]....

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Forms Data Controls :: Find Control In Gridview?

Aug 8, 2010

I am having asp.net web page.In that I am having GridView control. In that GridView I have template columns.There are total 8 columns in gridview.First column of the gridview is a checkbox. and in other columns of the gridview there are dropdownlists.what i want is that when i select a value in first column's dropdown and then check the checkbox then for all columns for that particluar row all the dropdowns in all columns for that selected row should contain the value of the first selected dropdownlist.

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AJAX :: Controls Collection Cannot Be Modified Because Control Contains Code Blocks

May 7, 2015

I have web.confing file when adding  tag page for set theme

After running project i have this error:

The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>).

<pages theme="Theme" styleSheetTheme="Theme" clientIDMode="AutoID" />

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AJAX :: Controls Collection Cannot Be Modified Because Control Contains Code Blocks?

Apr 27, 2016

I am getting http exception in of the method of class file (search.aspx.vb) like "The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>)",

I have tried placing Java script function in the body of Master page from header, whereas I just removed the Java script tag and its contents in search.aspx (as of its not required now). Still getting exception. 

I also know that if we have something like this <%= in Java script function we need to replace with <%#.  But I don’t have this kind of code in any function.

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Forms Data Controls :: Find Control In Child DataList

Apr 7, 2010

Im using Nested DataList in My Application. But i m not able to find control Inside Child DataList. (I want to Find Label Control In ItemDataBound Of ChildDataList)

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Forms Data Controls :: How To Find Control Inside Datalist

Sep 20, 2010

I want to find control inside datalist, i am using this:

((Image)DataList1.Items[0].FindControl("Image1")).Visible=true;

//here got error:

Index was out of range. Must be non-negative and less than the size of the collection.

here is my aspx code:

<asp:DataList ID="DataList1" runat="server" DataKeyField="nsid">

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Forms Data Controls :: Unable To Find Control In Datalist?

Feb 10, 2010

Im not able to find control in datalist.

Protected
Sub DataList1_ItemDataBound(ByVal sender
As Object,
ByVal e As System.Web.UI.WebControls.DataListItemEventArgs)
Handles DataList1.ItemDataBound
lblshippingoutside.Visible =
Dim lblshippingoutside
As Label = CType(e.Item.FindControl("lblshippingoutside"), Label)False
End Sub

Throws an exception .

Object reference not set to an instance of an object.

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Forms Data Controls :: How To Find Linkbutton Control Using RowDataBound

Nov 9, 2010

I am trying to find my linkbutton control using RowDataBound using the below code

[Code]....

[Code]....

but it always comes back with null the lnkButton.

What is the issue here?

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Forms Data Controls :: Find Control In Repeater With Dynamic Id?

Mar 21, 2010

Im binding an image to a repeater and giving the image id a unquie value based on the id from the database. The problem im having is trying to find the control within the repeater as i dont know the exact id of the control as its generated at runtime.

What im trying to do is count how many items are bound then after the first one assign a new css class to the rest.

How am i able to find the controls id on itemDataBound ?

The code is provide below:

[Code]...

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Forms Data Controls :: Can't Find User Control In Repeater

Mar 11, 2010

I have a simple user control that I have placed inside a repeater. I want to access it through the ItemDataBound event of the repeater. Here's my code so far:

[Code]....

Not so sure what to do about all of this. I have developed a simple calendar using an XML doc and a repeater. The parent repeater contains a child repeater that lists events based on the date. I have a User Control that has some unique capablities for control the date in a link button. I want the user to click on the User Control and be able to use the information to do something. Bottom line, I want to access the linkbutton inside the repeater.

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