Hi group, my problem is the following: I derive a class from System.Web.UI.WebControls.TreeNode, add a node of my derived class to TreeView and on the TreeNodePopulate callback (or any other) try to downcast the received node into my derived class. I get an Invalid Cast Exception. The foll...more >>

Hi, I have created a sitemapprovider for my site. Now I want to add a menu control but I only want to show the children of the current node. I have set the provider root to the current node but how do I tell the menu control not to show the root? The menu should be static and just show: ...more >>

In my item template I have a label called ProductName In my edit template I have a DDL called ProductName. My object datasource for the gridview contains only the ProductID. The DDL has an objectDatasource to Products table. What is the best way that when I am in the normal view the label...more >>

Hi Group, I am trying to find the position of a control in a asp:table. I am trying to add a pop up calendar to an image button that is in an asp:table. I need to find the position dynamically because the first 2 columns in my table have dropdownlists that vary in size. My table is being bui...more >>

I have a menu (with dropdown) as well as a ddl combobox on a form. There is also a multiview and panels in the multiview. I cannot get the dropdown part of the menu to show up over the combobox nor the panels in the multiviews. I moved the multiview down away from the menu but I need the ...more >>

Hi; For the text of a ListItem how do I put a hyperlink in as part of the text? I tried putting it in the text and putting a asp:HyperLink inside it - neither worked. -- thanks - dave david_at_windward_dot_net http://www.windwardreports.com Cubicle Wars - http://www.windwardreports....more >>

Anyone ever have issues with the Panel control and its borders? The Borders do not always paint for me. I will have half a side painted while the other is not at all. Is this a bug ? ...more >>

As most of us probably know, ASP.NET controls do not use an exact copy of a control's ID for the HTML element's name or id attribute. When generating JavaScript as part of a control or event, we need to have a way to reference the HTML elements. The only way I have found to reference the HTML ...more >>

Hi, I am using the Table control in ASP.NET to display values from a database. Although I have specified borders for each cell, cells with no data are displaying without borders. At the cell level I have the BorderStyle set to "Solid" and have set a border color. I also have the same s...more >>

Hi.. I am trying to put a <a > (anchor) on a <asp:TemplateField HeaderText="<a onClik='functionname('parameter')>click</a>"> but it doesn't take the parameter... any idea?...more >>

I was trying to understand why the GridView displays some less than desireable features when ViewState is disabled. If you disable viewstate, you can delete or update the wrong records. http://scottonwriting.net/sowblog/posts/10054.aspx I don't understand why when a postback occurs that ...more >>

Dear Group Just wondered as I came accross the following markup rendered ny the Microsoft ASP.NET 2.0 Treeview Control, missing the type attrbute in the script tag. <script> <!-- function TreeView_PopulateNodeDoCallBack(context,param) { WebForm_DoCallback(context.data.treeViewID,p...more >>

I would like to change an image in the 1st field in each row of a gridview based on the content of the other other fields in the row. Can anyone point me in the right direction? I tried the following code as a test: Protected Sub gvRadTurnat_RowCreated(ByVal sender As Object, ByVal ...more >>

Observation: I am using the dotnet calendar to set a date and time field. I added hours and minutes fields to my popup since there is no time picker available. http://stateson.net/pub/cal1.jpg I see no method to set items like hours, minutes, seconds. Instead there are functions to add h...more >>

I have a gridview with an objectdatasource which has a timestamp data field byte[] When I do an update my object gets passed backed to my data access layer but the timestamp value is null (the other fields all have the edited values). It should be the original value. It appears that the...more >>

I am somewhat new to asp.net. I have a form which is always in insert mode and I am trying to let one dropdownlist(dropdownlist1) select a state and then limit the number of cities populating the 2nd dropdownlist(dropdownlist2) to only those cities within the state selected in dropdownlist1...more >>

I am using a Multiview control and some validators. The multiview is being used in a homegrown tab control Click on a tab it display one of the views. I have a submit button that I would like to validate all of the controls in all of the views within the multivew. I am guessing their is no ...more >>

A few weeks ago, I created a Classic ASP page that connects to a machine with SQL Server installed on it, prompts the user to select a database on that server, then lists all of user-created stored procedures in that database. The user can select any of those stored procedures by clicking on ch...more >>

hi, could please help me to retrieve properties of a control, i got a scenario to read all available properties and its current assigned values for different controls in project. i tried with reflector tool but it giving properties of classes. I am not sure how to get property and its value. ...more >>

WebControl button = (WebControl)Page.FindControl("btn_Delete"); button.Attributes.Add("onclick", "return confirmDelete (this.form);"); confirmDelete is the method written in Javascript. I am getting following error message as, Object reference not set to an instance of an object....more >>