ASP.NET web controls - Week 30, 2005

Use IsPostBack for more than one roundtrip

AndiRudi - 23 Jul 2005 10:19 AM - 2 messages

Hi, i am trying to build a wizard control and return to a problem, that I often get and I wasn't able to solve it so far... If I habe a Custom Control which uses more than one roundtrip, e.g. a wizard ...

.DataBind will close a sqlDataReader??

Rob R. Ainscough - 22 Jul 2005 11:21 PM - 2 messages

Any reason why? I bind a DataReader to a DropDown and as soon as I execute the .DataBind() then IsClose becomes true. Is this because the DataReader is a one way street and when it has read thru the return results set it has no option ...

Problem in populating 3 data from database in ddl.DataTextField.

Joey Liang via DotNetMonster.com - 22 Jul 2005 6:43 PM - 2 messages

Hi all, I hav figure out how to populate more than one data retrieved from database and bind to dropdownlist.DataTextField for quite a long time but unable to figure it out. I need you guys help and advice..Is it possible to ...

dynamic user control textbox is empty when accessing from aspx pag

randman - 22 Jul 2005 6:25 PM - 4 messages

I have created an ASPX page that has a placeholder that dynamically gets assigned various user controls (that I have also created) during runtime. On one of the user controls contains a textbox. I need to access the ascx page ...

ByVal sender As Object, ByVal e As EventArgs - can I send more?

David Lozzi - 22 Jul 2005 4:08 PM - 3 messages

I have the following drop down list: <asp:DropDownList id="ddDept" runat="server" DataSource='<%# LoadDropDown("DEPT") %>' DataTextField="strName" DataValueField="strName" AutoPostBack="True" OnSelectedIndexChanged="UpdateText('txtDepartment')"></asp:DropDownList> and on change I would like the value of the drop down to populate a text ...

How to create HTML controls a runtime

Jaime Stuardo - 22 Jul 2005 3:04 PM - 3 messages

Hi all.. I have an ASPX page that has a form. It has a button that when it is pressed, the submit is sent to the same page. The form is placed inside a DIV control. After the form is posted and the same page is reloaded, I need to place an ...

GridView EmptyDataTemplate Question

Lee Moore - 22 Jul 2005 1:24 PM - 3 messages

I am trying to figure out how to handle it when I have an empty dataset bound to a gridview. I can use the footer when there is data bound to it, but I cannot figure out how to access controls that I define within the ...

Left Side menu control

sameer - 21 Jul 2005 8:51 PM - 3 messages

Hi, My ASP.NET web application has a menu on the left side of the page which would show a list of all the categories. It is done using a web control(ascx) which uses a datalist control which pulls the list of categories from the ...

How to access values of constituent controls in a User Control

dwok - 21 Jul 2005 8:22 PM - 3 messages

Hi All, I am building what I thought was a very simple user control in ASP.NET. The control is just a standard asp.net calendar control and a text box control. When the user selects a date within the calendar ...

DataGrid displaying hidden EditCommandColumn Values on PostBack

freshRecruit - 21 Jul 2005 7:53 PM - 3 messages

Hi I am filling a datagrid with values. One of the columns is a EditCommand Column and an other column is an 'Y/N' Bound column. If the value is 'Y' than the Edit Command link is displayed if the values is 'N' than the EditCommand ...

Radiobutton Checked value is gone

Mike - 21 Jul 2005 4:09 PM - 3 messages

Hi ... I an building a web form with a usercotrole on the usercontrole i have several Radiobuttons not in list but in in Group. so they are single radio buttons. connected by a group name. Why single radiobuttons because if you select the option c in the list of ...

Parsing nested Tags

Sam - 21 Jul 2005 2:38 PM - 2 messages

Hi, i'm a bit stuck at the following problem and hope any of you can provide me wit a nice solution: I have a company with multiple employees. When creating a company control i can define a property "employee" of ...

style width and height

Shaun Wilde - 21 Jul 2005 8:48 AM - 4 messages

is there a feature to remove width and style tags from the .aspx .ascx pages? we are trying to localise an application and the hard coded styles are obviously overridding the CSS files. webcontrols can be modified easily enough but it is the controls that are ...

Display items from dropdown list in alphabetical order

Siew Yee - 21 Jul 2005 6:16 AM - 2 messages

Hi, Is there any way where I can display items from dropdown list in alphabetical order? Thanks. ...

Base Page Design Question

Tony - 20 Jul 2005 11:22 PM - 5 messages

I am in the process of setting up a base page model for multiple reasons. One of the reasons is so that I can catch all exceptions when derived pages throw/raise them. I don't want to use the standard OnError virtual method to ...

Bizarre - DataGrid inside HTML Table

Tony - 20 Jul 2005 10:42 PM - 3 messages

Can someone please tell me why Visual Studio wants to edit my Web form when I open it up via the designer? This only occurs if the form is in FlowLayout mode, it contains a standard HTML Table control and inside the table is a DataGrid Web control (freshly ...

Which page load fires first? ASPX or ASCX?

cmay - 20 Jul 2005 9:22 PM - 7 messages

Does the Page Load event for an ASPX page always fire after the Page Load event for an ASCX control? I have a webcontrol (ascx) which populates a listbox in it's onload event, but it seems that the ASPX page it is contained in fires its ...

Merge method for multiple datasets

Chumley Walrus - 20 Jul 2005 7:30 PM - 2 messages

If I have as many as 7 different datasets I want to use, is it possible to merge 7 different datasets with the Merge method for just one datagrid? thanx chumley ...

Accessing an .aspx page within the DMZ

Terry - 20 Jul 2005 6:45 PM - 2 messages

We are currently hosting our own web site; the web site of course resides outside the DMZ. For security reasons, the network crew will not allow us to do SQL queries and access data from the web site server. Instead they want to ...

CompareValidator Only Works On Manual Input

John Walker - 20 Jul 2005 6:42 PM - 6 messages

Hi, There is a textbox in my datagrid where the user can enter a date manually or they can use a popup calendar which will automatically fill in the textbox when they click on a date. This textbox has a compare validator on it, which ...

2.0 ascx on a 1.1 aspx?

jessetechie - 20 Jul 2005 6:18 PM - 5 messages

Hi folks, Is it possible to use VS 2005 and ASP.NET 2.0 to write an ascx control, then use the control on an ASP.NET 1.1 page? Are there incompatibilities per se, or does it depend on what the ...

PropertyDescriptor in GetDataSource

STech - 20 Jul 2005 3:36 PM - 3 messages

I found the following pattern used a lot on webcontrols. Could you please explain what the propDescs collection does? What confuses me is this: new PropertyDescriptor[0] Thanks. <code> ITypedList typedMemberList = memberList as ITypedList; if (typedMemberList != null) { ...

Repeater question

M.D.M. - 19 Jul 2005 3:18 PM - 3 messages

Hi, I display ads via repeater - name, address, text, anonymous (yes or no) etc.. Repeater values are loaded from database. If ad is not anonymous I want to display everything but if it is anonymous I need display completely other ...

Resolving datasource expression

M.D.M. - 19 Jul 2005 3:09 PM - 2 messages

Hi, I have templated databound custom control similar to repeater. <Display:Tree id="DB" runat="server"> <Root><%# DataBinder.Eval(Container.DataItem,"Node") %><br></Root> <Leaves><%# DataBinder.Eval(Container.DataItem,"Subnode") %>, </Leaves> ...

Resolving datasource expression

M.D.M. - 19 Jul 2005 3:07 PM - 3 messages

Hi, I have templated databound custom control similar to repeater. <Display:Tree id="DB" runat="server"> <Root><%# DataBinder.Eval(Container.DataItem,"Node") %><br></Root> <Leaves><%# DataBinder.Eval(Container.DataItem,"Subnode") %>, </Leaves> ...

WebControl.Style and ViewState

Mesalem - 19 Jul 2005 2:41 PM - 2 messages

i'm creating a text box dynamically in the page load and on the client side i use the following script to hide the control document.getElementById('dynamicText').style.display='none'; document.getElementById('dynamicText').style.visibility='hidden'; after a post back the control is displayed again ...

Render TreeViewControls in .net 2003

kk - 19 Jul 2005 2:36 PM - 5 messages

hi, I want to create treeview control in .net 2003 in my webcontol library project. I can use System.Windows.Forms.TreeView , but i cannot able to add my treeview control in aspx page. Is there any other solution to ...

Re: CustomValidator control BUG

Mike Randall - 19 Jul 2005 4:22 AM - 2 messages

I have the exact same results as Ken. I have a large page with about 40 regular validators and 4 custom ones (server side only). The custom validators will only fire after the regular error conditions have been ...

return parameter

Pieter - 18 Jul 2005 1:30 PM - 2 messages

Hi I want to know the following. I am using ASP.NET and I am (dynamically) generating a list of hyperlinks from a database. When the user clicks one of these links it should load an aspx page, but all the links should load ...

composite control does not fire event

Patrick - 18 Jul 2005 7:35 AM - 4 messages

Hi I have an aspx-page, where I load my custom-control (see below). The problem I have is that the event does not fire. I really cant figure out why. Just to know, I derive from System.Web.UI.Control, becaues later on I want to add ...