Web Forms :: User Control Not Displaying In Server?

Jul 9, 2010

i have designed a usercontrol (ascx) and it was ran on local machine, i have uploaded that into the server after that its not displaying on the aspx pages, i have uploaded all the images, scripts, aspx, ascx, dll but i dont know why its not displaying?

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Similar Messages:

Web Forms :: Displaying One Usercontrol From Another User Control

Apr 24, 2010

I have two usercontrols usercontrol1 and usercontrol2.

Now I have a hyperlink in usercontrol1 on the click event of which I need to display i.e show usercontrol2(otherwise it is hidden).

So I add Reference to usercontrol2 as in code give below:

<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="Rehabilitation.ascx.cs" Inherits="SlumManagement.Web.UC.Rehabilitation" %>
<%@ Reference VirtualPath="RRules.ascx" %>

Now RRules.ascx is usercontrol2.

Now the problem is that after adding reference I only get to access on the server side not Client side.

Once I get a reference to it on the client side I want to do something like this:

function displayctrl()
{
var ctrl = document.getElementById('usercontrol2');
ctrl.style.display = "block";
}

How can I be able to do this?

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Server Controls In User Control Are Null When User Control Serves As A Base User Control ?

Jun 4, 2010

I don't think I understand fully how ASP.NET does inheritance of controls.I have a user control, ucBase, which has an asp.net label in the ascx file. Code behind references the label and it works fine during run time if the control is not a parent for another user parent.

If I have another user control, ucChild, inheriting from ucBase, the label in ucBase's code is always null. ucChild has no controls in its ascx fileThe server controls (like the label) needs to be declared in the ascx file and not created programmatically.What needs to be done for ucBase to see its own controls when it's a parent user control?

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Displaying Data Conditionally Within A User Control?

Feb 3, 2010

Within an ASP.NET user control I have the line:

<div>Web: <a href="<%# Eval("Web") %>"><%# Eval("Web") %></a></div>

I'd like to change it so this HTML is only rendered if Web has a value.

I've tried wrapping String.IsNullOrEmpty(Eval("Web") as string) in server side script but Eval can only be used inside a "binding" tag.

What is the best way to do this?

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User Control Displaying In Wrong Place?

Aug 24, 2010

I'm trying to include a user control in an aspx page, it works fine, but my control does position itself where I want it and always appears at the very top of the page. Could it have something to do with the masterpage? I've tried registering the user control in the master page, but I don't know how to reference it in the content page.

In my Default.aspx page I register my usercontrol at the top:

<%@ Language="VB" MasterPageFile="~/Master-Pages/Landing1.master" AutoEventWireup="false"
Title="Home" CodeFile="Default.aspx.vb" Inherits="_Default" %>
<%@ Register Src="/Controls/News.ascx" TagName="HomepageNews" TagPrefix="uc" %>

Then in my page I try include the control:

<asp:Content ID="NewsArea" ContentPlaceHolderID="ContentBottomCol" Runat="Server">
<%@ Register Src="/Controls/News.ascx" TagName="HomepageNews" TagPrefix="uc" %>
</asp:Content>

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AJAX :: TabContainer With User Control Inside Not Displaying?

Mar 5, 2011

I have an ajax tabcontainer on a master page that has a user control inside one of its tabs.The user control is just a gridview that gets a list populated from a DB table.The strange thing is that the gridview is displaying in VS, but when I build the site the tab is empty; no error message just nothing.Below is the code for the tab in my master page:

<ajaxToolkit:ToolkitScriptManager
ID="ToolkitScriptManager1"
runat="server">

[code]...

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AJAX :: Loading User Control Dynamically And Displaying Using Dynamicpopulatedextender?

Jan 23, 2011

Situation: I have a drop down list which I need to pass on to a webservice on button click. I am using Sys.Net.WebServiceProxy.Invoke to make webservice call.

Everything is happening inside a usercontrol which loads on runtime using dynamicpopulate extender.

I get following error:

Sys.InvalidOperationException: Cannot serialize object with cyclic reference within child properties.

Situation: Usercontrol also has a listview which is bound to dataset. However on calling listview.DataBind() in side the webservice method.

I get following error:

The ListView control 'ProductsListView' does not have a naming container. Ensure that the control is added to the page before calling DataBind.

There is no problem when call to service method is parameter less and listitem is not bound.

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MVC :: DataAnnotation On Multiple User Controls Displaying On Wrong Control?

Sep 27, 2010

I have a table that displays a user control on each row. The user controls are strongly typed to a viewmodel which contains DataAnnotation style validation. If one of the rows has invalid data entered (lets say the 3rd row) the data annotation validates display agains the first row/user control.How do I get the data annotation to show against the relevant user control?

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User/server Control With Custom List Items / Create A Simple Menu User Control

Feb 18, 2011

I'm attempting to create a simple menu user control just as outlined here.

The attached code results in an "Object reference not set to an instance of an object" error, but I can't figure out why.

<%@ Master Language="VB" CodeFile="MySite.master.vb" Inherits="MySite" %>
<%@ Register src="Controls/Menu.ascx" tagname="Menu" tagprefix="my" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">......

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Does A Composite Server Control(inc. User Control, Custom Server Control) Normally Encapsulate Css Properties?

Nov 7, 2010

If a composite server control normally encapsulate styling information inside, it is an example of code encapsulation and modularization. However if css properties are included inside the composite control, it is not ideal for code/styling separation and css code re-use principles. Now which consideration should be the main consideration?

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Custom Server Controls :: Unable To Use A Web User Control Inside Another Web User Control

Mar 10, 2011

I have a web user control that represents a simple message box. It is used to display simple messages like "Item has been deleted", or "The item was saved successfully".

On the other hand, I have another web user control that represents the item in the form of an editable form (I made this a user control because this is used in two different pages). I want to embed an instance of the message box user control inside the editable form. I am writing this right after the @Control directive:

[Code]....

Instead of using @Register directives, I register the user controls in web.config and so far this has worked just fine.

With the above markup, the project compiles, but whenever I try to navigate to a page that contains this construct, I get an HttpParseException exception. Furthermore, Visual Studio states that the tack w7rc9:MessageBox doesn't represent a known control.

What am I doing wrong?

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.net - C# - Displaying Server Control Based On How Many Items Are In A Datalist?

Oct 26, 2010

What I'm trying to do is on page load display either of two controls based on how many items are in a datalist. For instance, if the datalist only contains 1 item I want it to display

Literal1.Visible = true;

If there is more than 1 item in the datalist, show

LiteralMulti.Visible = true;

Anyone know how to do this?

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Sql Server 2008 - Repeater Control For Displaying Images And Associated Names?

Oct 24, 2010

I want to implement an image gallery in asp.net/C#. I am using sql server 2008, visual studio 2010 and .NET 4.0.

I have made a webpage and now want to display 6 images as thumbnails (and their names just below the thumbnails) at the center of the page. The format of the display is something like this:

[Code]....


Basic operation is like this:

I pull images from a database and then display them as above as thumbnails. The 1 2 3 Next> are links depending on whether there are more than 6 images pulled from the DB. So basically the numbering 1 2 3 4 Next> is dynamic depending on how many images exist. Can anyone give me a basic overview of how this an be achieved? Should I be using a asp:Repeater or a asp:DataList for this kind of a display?

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Custom Server Controls :: Composite Control - Design Time Gridview Is Not Displaying?

Apr 19, 2010

I have use composite custome control its contain button and textbox and gridveiw

but design time gridview is not display .

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Web Forms :: Displaying User's Profile To Another User

Jan 26, 2011

I'm using .NET 3.5 and C#.

I am not using the .NET Profile Provider.

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Custom Server Controls :: Save User's Input In User Control?

Mar 28, 2011

I have a user control (ascx file) that contains an interface for users to change the data retrieved from the db. So, I am displaying data and most of this data can be edited by the user. When the user enters text into a textbox, and clicks "Save Changes", the value they typed in is lost and not persisted to the database. I realize now this is because the SaveChanges button does a postback, and the user control gets reloaded with its original valuesbefore the code within my SaveChanges button gets executed. I'm not sure if there are properties I need to set to save the input data, or if I need to write my own code to do it. What is the generally accepted method to do this? (Also, all of the controls in the ascx file are wrapped in an Update Panel.)

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Web Forms :: Accessing A Public Property Of A Nested User Control In A Master Page From A Pages' User Control?

Sep 10, 2010

I've got a web site that has a master page and that master page (mpMaster that has a user control ucControl1) which has a sub user control (ucControl2), this user control has a property which accepts a value. Now, I have a page that uses the master page
and on this page I have another user control (ucPageControl), I need to find a way of setting the value in ucControl2 from ucPageControl. Is this possible at all?

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SQL Server :: TCP Error When Connecting To SQL Server Via User Control

Feb 4, 2011

We have a MOSS 2007 custom web part based on a user control that queries a database cluster. When the connection to the database is made, we regularly experience the error below and have had to create a work-around in the code to retry the connection. We have 3 environments - development, staging and production; the error only occurs in production. The difference in the production environment is it is a farm with 3 WFEs and a SQL cluster, where development and staging are single machine instances. All are MOSS 2007 & SQL Server 2008. We cannot find what is causing this issue and I'm hoping someone else has experienced a similar problem and knows the cause.

This is the error that occurs frequently when the query is executed:
System.Data.SqlClient.SqlException: A transport-level error has occurred when sending the request to the server. (provider: TCP Provider, error: 0 - An existing connection was forcibly closed by the remote host.)
at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
at System.Data.SqlClient.TdsParserStateObject.WriteSni()
at System.Data.SqlClient.TdsParserStateObject.ExecuteFlush()
at System.Data.SqlClient.TdsParser.TdsExecuteRPC(_SqlRPC[] rpcArray, Int32 timeout, Boolean inSchema, SqlNotificationRequest notificationRequest, TdsParserStateObject stateObj, Boolean isCommandProc)
at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
at System.Data.SqlClient.SqlCommand.ExecuteScalar()
at [Our Namespace.OurMethod](String someParam)

More than one method will generate this, but this is typical code, note the retry work-around:
public static DataTable OurMethod(string someParam) {
const string query = "sp_OurStoredProcedure";
var resultsTable = new DataTable();
var connection = new SqlConnection { ConnectionString = OurDatabaseConnection };
var command = new SqlCommand(query, connection) { CommandType = CommandType.StoredProcedure };
var dataAdapter = new SqlDataAdapter(command);
var retry = 5; SqlConnection.ClearPool(connection);
while (retry > 0) { try { command.Parameters.Clear();
command.Parameters.AddWithValue("@someParam", someParam);
connection.Open(); dataAdapter.Fill(resultsTable); retry = -1;
} catch (Exception ex) { retry--; if (retry <= 0) {
LogError("Exception: DataAccess:OurMethod: *RETRIES EXCEEDED* " + ex, "error");
} else { SqlConnection.ClearPool(connection);
LogError("Exception: DataAccess:OurMethod: ATTEMPTS REMAINING " + retry + ". " + ex, "warning");
} } finally { dataAdapter.Dispose(); command.Dispose(); connection.Dispose();
} } return resultsTable; }

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Web Forms :: Assign User Control From Another User Control ? Giving Error Object Reference Is Not Set An Instance?

Feb 17, 2011

I am trying to assign user control from another user control ..first time its binding control successfully but when we refresh the data its giving error

saying "Object reference is not set an instance".

how to refresh data from another user control ...

My senerio below :

1 Aspx page

2. User control

calling usercontrol databinding method from aspx page but once it get refreshed ,not allowed to bind it again..

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Web Forms :: Displaying NT User Account In Label?

Nov 2, 2010

I am trying to display the user browsing the web forms NT account in a Label. I'm trying two ways to do this. The first way.

[Code]....

When I use this code and publish the app to the web I get the error message:

Index and count must refer to a location within the string.Parameter name: count Description: An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code. Exception Details: System.ArgumentOutOfRangeException: Index and count must refer to a location within the string.Parameter name: countSource Error:

[Code]....

Stack Trace:

[Code]....

If I use this code

[Code]....

The page displays but the username doesn't display in the label?

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Custom Server Controls :: User Template Control Or Custom Server Control?

Jul 22, 2010

I need to develop control (template or user) which must have subtags with some items.

For example :

<SomeControl runat="server" id="scTest">
<column1>TestColumn1</column1>
<column1>TestColumn1</column1>
<column1>TestColumn1</column1>
</SomeControl>

This control may contain some other web server controls such as GridView.I need explanation of experienced developers, how to do that - take me to the right way

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How To Map A User Control Property To A Server Control Within It

Jun 2, 2010

I have a user control with a WebDateTimeEdit server control on it (essentially a TextBox). I'd like to be able to set some of the server control's properties by way of the user control's markup or programatically. for example I have this defined on my user control:

[code]....

this blows up because WebDateTimeEdit1 is null.

is there any way I can make this happen? also can do I do this

myControl2 .Font.Size = FontUnit.Point(8);

where the Font property is read only on the server control?

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Web Forms :: Displaying User Information On Master Page?

Jan 3, 2011

Normally I dont have the login link in the master page. But I have the labels to display the user information on top of master page once logged in and have the sign in option in content page which contains that master page. After sign in , i want to display the user information on the top of the master page without redirecting user to the same page? How can we do this?

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Web Forms :: How To Hide UserID In URL When Displaying User Images

May 7, 2015

How Can Secure and Hide Image Url from Users because it is personal for each user but now it is easy for One User to change fUser_ID (for example from Inspect Element in FireFox Browsers) and access to Other Users Profile Picture.What is the best way for User Security in asp.net ?

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Web Forms :: User Controls Not Displaying On Form At Design Time?

Jun 21, 2010

None of my user controls display on a web form at design time. At runtime they work fine and at design time to design the user controls themselve is fine.

Is there a setting that is telling the controls not to render at design time?

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