Hi I'm using the DataList control, inside the ItemTemplate html section I have a button which posts back to the server via the DeleteCommand. Can I execute some client-side script before the postback? i.e. display a confirm message box. Craig ...more >>

I am trying to dynamically move an object on a webform. I have four buttons (left, right, up, down) and I would like the object to move appropriately in response to each button click Thanks ...more >>

Is there a trick I can use the "PasswordChar" property that is available in System.Windows.Forms.TextBox ? I donot see such Property existed in the similar WebControls.TextBox. I need to mask my user's Password. Thanks John ...more >>

Hi, I want to put a gant chart onto a web page(asp.net). Are there any good controls I can buy out there ? I know there are some good VB.net ones, but I do not know any for ASP.net Thanks ...more >>

Hi All, I am facing a really stupid problem related to datagrids. I have inplace editing enabled. Cancel button works fine, I set edititemindex to -1 and perform a databind, and edit mode quits. The problem is with update button. I perform some recalculation of data source, set the edititemindex...more >>

Dear Group Is there a way how I can read the properties like 'Height' and 'Width' of e.g. a jpg-file with ASP.NET, ideally at some point during the upload process as only a certain size is allowed or once it has been uploaded? Note that I require a solution where I can assign 'Height' and 'Wi...more >>

When you disable view state at the page level does it overwrites all the controls on the page. or the control will overwrite it Also Why you can't disable the viewstate for a textbox thanks Mohammed...more >>

Hi, I have a strange problem, I have a datagrid with a hyperlink webcontrol inside it. I want to call a javascript function from the hyperlink control. The problem is I want to pass single quoted parameters to javascript function (eg: 'ID'). At the same time my parameters will also contain C...more >>

Hi all, When I t ry to load a web user controls after the Page Load event, the control behavior runs away from the normal one. The problem it that I need to load this controls at the click of one button on the other control. So I would like one way to make this work. Some one should help me? I...more >>

Hello! I'm building a website in asp.net. The site contains a dropdownlist. Autopostback is set to true, because when the dropdownlist is changed I want a DataGrid to be updated. Everytime the dropdownlist is changed the webpage is reloaded. I have a global variable which shall contain the dr...more >>

Most of the time you bind a datagrid when it's not a PostBack. The DataGrid then uses ViewState to remember all the data to rebuild it on subsequent postbacks. Thats great when it is expensive to grab the data, like running a sql query might be If you've ever done a View Source on a page with a bi...more >>

De: "Angel Molines" <amolines@cambrescat.es> Asunto: Session Variables Fecha: jueves, 11 de marzo de 2004 9:17 how can to do for share session variables or cookies between two servers Thanks ! ...more >>

For some reason, validation is no longer working on any of my fields. When I look at the source returned to the browser, I see that the PageValidation variable is set to false. But why? I can't find any of the obvious places in the application where this is set. ALL suggestions are much wel...more >>

All, I have a DropDownList that is using AutoPostBack="True". When selecting an item, it triggers a postback as desired which is used to update a label's text on the server. The problem is that it fires the validators on the page as though a submit had been done. This causes unwanted entri...more >>

I have a frameset with two frames. The top frame (webform1.aspx) is a very simple SQL query form with one textbox, a submit button, and a datagrid. My queries and datagrid work great. I would like the lower frame (webform2.aspx) to contain textboxes which correspond to the columns in th...more >>

I have created a user control for our in house forms. It is basically just a dropdownlist that gets populated with all of the us states with properties set up to expose the selectedindex, selecteditem and selectedvalue. It inherits from webcontrol. It has a protected member dropdownlist and i...more >>

I have the following code sample for listbox. If I select 9 and add it to the right side listbox, I have to scroll down again in order to select 10 from the left listbox. How to prevent the page not to postback so that I do not have to scroll down the left side listbox to select 10 and add to the ...more >>

I have an object that must be created be created in 3 different pages of my Application. The problem is that I can create the object in only one of that pages and in the others gives me two differents errors in one says: 'Object reference not set to an instance of an object.' an in another says...more >>

Hey,All! I have a problem. It is necessary from my ASP.NET application to get default printer name of local PC, and names of all installed printers on local PC. It is possible? Did someone have similar problem? Does anyone got any ideas? Thanks for your help.. ALMA_J_III ...more >>

Hi, I am new to HTML, so am struggling a bit with the old POSITION: relative malarky. I would like my buttons to appear relative to the datagrid which can have varying row counts, depending on the selection made on the previous page, so what tags do I need to use/wrap around these controls to...more >>

I have an existing .Net project. One of the web forms has a user control uc1.ascx in it. I changed the uc1.ascx.cs file which has the code for the control. I copied the new version of the uc1.ascx.cs into the web folder (inetpub) and restarted IIS. But I am not able to see any of the changes that I ...more >>

My asp.net application has a functionality to allow a user to send out email from the asp.net web page However I encountered a problem that I could figure out,hopefully some guru can offer an input to resolve the problem The following are the test results when sending email from my asp.net page 1...more >>

I am trying to figure out how to access say a HyperLink web control that is inside of a datalist control. What I am wanting to do is make a conditional check in the datalists databound event and check to see if a value is true or false then set a hyperlink visible or hidden based on that. Thank yo...more >>

dear all I would like to ask a question in regards to ViewState. I tried to disable viewstate to a textbox or a Listbox by setting EnableViewState = false but it won't do it. Also whcih one has a precedence the Page level ViewState or the Button Level View State Thanks Mohammed...more >>

Hello all, Is is possible to retrieve the filename of the current executing ASPX file? I do not want to hard code the name of the file in my code like "mypages.aspx" but want to discover it dynamically (Just in case the filename changes). Thanks in advanced! Chig...more >>

Hi I am showing some data in the datagrid. I also have a template column. Inside that template column I am going to show 1 to 5 link buttons. The problem i am having is, like in the traditional ASP, can I use <%%> script blocks as below ? <datagrid> <....> <asp:TemplateColumn>........more >>

I've got a treeview on a webform. To get scrollbars I placed it inside a div. When the page is opened, some of the nodes can only be reached by scrolling. The top node is selected by default. When the user scrolls to any nodes below the horizon and attempts to click on the "+" the treeview jump...more >>

Cannot create ActiveX component This is the error that gives me when I try to create an object. I create = him like this: Dim obj as New Object //this is a component made by other application obj =3D CreateObject("cth0mn.hdHrrCl") If (obj.initialize(conn)) Then //inicialize in my component...more >>

Hi, I have a series of DropDownLists on a form. When the user submits the form I want to be able to trundle through these lists and find out the list value. ...something like... For Each ctl In Me.Controls If TypeOf ctl Is DropDownList Then ...get selectedValue from list End If Nex...more >>

How can I print my Page? I have a button (named Print), that when clicked I want that he prints my ASPX Page. Ruca ...more >>

Hi, What is the best way to validate the user input in a textbox on click of abutton to ensure that none of the foll. characters(illegal for filenames) are entered : ` ~ ! @ # $ % ^ & * ( ) + [ ] { } | \ : ; " ' < > , ? / (space) A code snippet or a link to an example will be great. Thank...more >>

Do you know how can I disable the Back and Forward commands in browser? I want to disable that commands for some pages and others not. How can I do that? -- Thank's (if you try to help me) Hope this help you (if I try to help you) ruca ...more >>

Hello, I need a little help with the ImageButton. I am using the imageButton.ImageURL properties to dynamically load an image onto the button. The problem is that if there is a delay getting the picture, I would see the alternative text. How can I delay the change over until the new picture ...more >>

Hi I have a datagrid with 3 columns, the 3rd column has a button to edit. When I click edit, I want to merge the columns, effectively colspan the edited row. Does anyone got any ideas. Craig ...more >>

Dear Friends I try to use the following user control from Mr. Olovyannikov http://www.freevbcode.com/ShowCode.asp?ID=5574 but I think there is a bug. When I put DG.PageSize = 2 and dgPager.PagesToDisplay = 5, it shows the first 5 buttons correctly but when I click on "Next 5" link, it shows 7...more >>

Can I define a frame target in a LinkButton control like we can use in hyperlinks??? I have a page where I have two frames (left and right frames) in my left frame I have a menu contents (where I would like to use LinkButtons). When I click in one of the buttons I want to open in my right fr...more >>

Hi, I have a series of DropDownList on a form. I'd like to check that the user has selected an option from at least one of these lists before submitting the form. If they haven't, then Cancel the submit (and how do you cancel the OnCommand function for the Submit button?). If they have, then c...more >>

H Im self learning asp.net, so I may be doing mistakes. But I found something that may be a "bug"...at least for me it looks as inconsistent I explain myself. I have a repeater and inside of it I have hidden textboxes (visible="False") with values that are set during runtime (I do a loop in a da...more >>

Hi I'm trying to add a server control to a stringbuilder and I'd like some suggestions please. The output of the server control is 3 html combo boxes and I would like to add the html output to the StringBuilder and then output everyhting as HtmlTextWriter. Thanks in Advance if you can help ...more >>

Hi all I have created a custom control which contains dropdownlist. allready use this custom control on several places without a problem But when I try to dynamically create it in my code behind, it is no displayed on my page What I do: I have a datagrid on my page, which contains a list o ...more >>

I can see the chinese words in datagird before export to excel However, chinese words after exporting to excel become scramble. Do anybody know how can I export chinese words to excel Million Thanks!...more >>

I'm filtering a DataView. After that I know that filter result only ( and only) in one row with 4 or 5 columns. Now I want to pic up the value of one of that columns (that I know only the name, eg. Code). How can I take this value of that column of my DataView? I have this: dv.Table = dt ...more >>

Is there any way in ASP.NET (besides for setting enabled = false) to make a checkboxlist and radiobuttonlist readonly? This would be similar to making a text box readonly. I don't want the users to be able to change what boxes are checked (for reporting purposes). Any help would be apprecia...more >>

I have a user control that I've created. It's a basic dialog frame made using a table, with a label in the title bar, and an imagebutton for closing the dialog. Nothing fancy. I laid out the control in the HTML window of the PopupDialog.ascx file, and there's an event tied to the imagebutt...more >>

Hello gurus, I'am addressing this question to the very eksperts out here and i'm aware that there is no easy solution. But i would really like to build my own treeView control for use in asp.net. I use C# and i hope i can find som code somewhere to start with . I know some people have allready ...more >>

My datagrid has an an asp:TemplateColumn containing an asp:button inside an itemtemplate <!-- within asp:datagrid id="dg1" --><asp:templatecolumn><itemtemplate><asp:button id="btn1" commandName="Show Details" ... ></itemtemplate></asp:templatecolumn I want this button to be enabled only if detai...more >>

Hi all On Microsoft's MSDN Newsgroup http://msdn.microsoft.com/newsgroups/ the treeview load the child nodes when user just expand the nodes. but in treeview control, we have to load all child nodes at the same time. How can I make the tree like Microsoft's Newsgroup? Thanks a lot. ...more >>