I have a web treeview control that is being loaded in the page_load through code and it adds additional nodes when the tree is expanded using the expand event. Once I click on the plus sign, the tree loads again inspite of the if (!IsPostBack) statement. What can I do to force it to lo...more >>

I'm very new to asp.net so forgive if this is a simple question. I have created web page for my site so people can log their e-mail address for a news letter. I add a regularexpressionvalidator control to validate the e-mail address structure. The validator works fine and displays my message ...more >>

annoyingly, every so often after a compile, my code will cease to work because the Handles keyword gets removed from the end of the method. ex: Private Sub buttonMakeTransfer_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles buttonMakeTransfer.Click .... might become Pri...more >>

Hi. When I drop a CrystalReportViewer to a ASP.NET web form, I receive the "Error Creating Control" at control, and ShowAllPageIds propertie is set to "Object reference not set to an instance of an object". I have Visual Studio 2003 and CrystalReports 9 instaled. I alredy uninstall these and...more >>

Dear Folks, I want to know about the Changes that are being effected on the data grid control in whidbey. please let me know ASAP. Regards, -- S.Sundararajan...more >>

Hi, I am looking forward for ur help. How to implement the browse for folder dialog in ASP pages to select the folder location. It's urgent. *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!...more >>

Hi all, Basically I am developing a custom control. on click of one of the controls in my composite control a client side event should happen. Is it really possible and if so how can i make it happen. Thanx in advance Regards, -- S.Sundararajan...more >>

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I have a button at the top of my page that I have an onClick event handler for which makes some new controls (at the bottom of my page) visible. When the user clicks the button I make the new controls visible in the onclick server side event handler, but I do not know how to bring the focus t...more >>

Hi, I have a Repeater control that contains a few web controls. It looks like this: <asp:Repeater id="Repeater1" runat="server"> <ItemTemplate><asp:HyperLink id="HyperLink1" runat="Server" navigateurl="<%# Container.DataItem("address") %>" text="<%# Container.DataItem("Name") %> /></I...more >>

Hi, I have a simple web page containing a listbox, a button and a label. I load the listbox items in codebehind such as this: Page_load { if (!page.ispostback) { filllistbox() } } When a list item is selected and the button is pressed, I want to display the selected item i...more >>

Hi all, How to write the code to connect to database from the class .vb instead from the aspx page .aspx. Thanks...more >>

ASP.NET C# how can i set this up: i have a login page if i login as clientA then i want to use clientA database if i login as clientB then i want to use clientB database both databases are on the same sql server, iam thinking could i have a = dynamic connection sting in the web.config ...more >>

hi all i created a stored procedure like this which retruns values am not sure whether it is correct or not. if it is wrong can you tell me where i did mistake. CREATE PROCEDURE QA_Select_Candidate @role sql_variant AS declare @fname varchar(50) , @lname varchar(50) , @email varcha...more >>

Hello All! Working on a data grid, with the edit button. Having problems with the update button. I know my connection is being made, but I have tried so many diffrent things, and I keep getting diffrent errors. I'm hoping sombody can look at my code and tell what I'm doing wrong. Public ...more >>

Hi, I'm trying to get a kind of dependency to 2 dropdownlists in asp.net: |Dropdown Vendor| -> 1:n -> |Dropdown Order| After selecting a Vendor the 2nd Dropdownbox should only show Orders linked to the selected Vendor. ( Both Dropdowns do autopostback ) But it always shows all values ... ...more >>

Hi I want to display 2 tables data within a single datagrid. In table1 i've 4 fields FirstName LastName Emailid primary key Usertype In table2 i've 2 fields Emailid foreignkey CompanyName in datagrid i've to display all fields except usertype but i've to retrieve data based on the ...more >>

I want to restrict the file types that the user can select to "*.jpg". From what I read in MSDN there is a property (accept="image/*") that should allow only image type files and then my code would need to check for the jpg type. When I try to add (accept="image/*") to the <input type="file"...> ...more >>

I have 2 projects, a Web project and a Class Library project. In the class project, I have a class called Class1. Pseudo below: Class Class1 ... Public Static Sub Generate() If True ' Create Page and display to user. End If End Sub End Class ...more >>

I've a datagrid and I try to disable viewstate to avoid a lot of hidden data in the post field (about 100kb). But this doesn't work! <asp:DataGrid id="dgExhibitionServices" runat="server" Width="520px" Height="17px" AutoGenerateColumns="False" EnableViewState="False" > If this is false...more >>

For some reason I cannot get RegisterClientScriptBlock to render a script reference on the page from a server control. Yes, I have not placed the code in the Render method, I also tried the OnInit just in case. Below is the a simple version of the code, any help is appreciated: namespace ...more >>

Hi, I really need to copy the a Datagrid from one VS solution into another. but I keep coming up with errors when I try. Some one must know a basic set of steps that will allow me to copy the files from one solution to another by hand. Please help ...more >>

Hi, I got a simple ascx. It has one image component. When first loaded, it scans thru \images folder, loads the first image, and save the index & the string array of picture names in session. When user click on the Next button, it will increase the index by one and reload the image accordin...more >>

Can anybody please help me in getting the node text wrapped if the length is longer then the tree view width.Currently it shows the scroll bar which i dont require....more >>

On an ASP.Net page that has viewstate enabled. How do you enable viewstate for a server side file input control? Currently I have in the HTML view. <INPUT id="myID" type="file" name="myID" runat="server"> ...more >>

Please help out. <asp:LinkButton> control emits <a> tag with an href that looks something like below. I am not using server-control, and I am emitting <a> tag in Render() method, and I get an error when I try to set __EVENTTARGET with my control UniqueId. Is there a way I could mimic the way ...more >>

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Hi all - I'm stuck on something fairly simple (I think) and was hoping someone here could help me. I'm trying to write some text onto a few command buttons in my asp web forms. The problem is, the text on my buttons is getting cut short and the only way to show the entire text is to set the...more >>

Dear all i'm facing a problem with the user controls i would like to ask if anybody could help me in knowing how to handle the values of a user control from outside the control. e.g. i have a drop down list, this drop down list is a user control and it is filled according to a qurey built in t...more >>

I created a WebUserControl that renders <DIV CONTENTEDITABLE ID="whatever"></DIV> to offer HTML editing in a web page. On postback I don't get the content of the DIV. This is unsurprising; it's not an INPUT control. When I doing this in classic ASP I used to hook the form's onsubmit event w...more >>

I am using asp.net, vb and codebehind with a repeater containing an OWC spreadsheet and chart in the itemtemplate. What I want is when a user clicks a button, data is loaded into each repeater items spreadsheet and some formating is done. Then the spreadsheet and chart are made visible. ...more >>

Before I spend a lot of time researching how to design webcontrols, I want to know if what I want to do is what webcontrols are designed to doing. Will webcontrols allow me to design a clickable button in the shape of a stop sign in such a way that any modern browser when loading the web page ...more >>

I have a table SQL Server View that contains information, including dates that I want to represent in a Calendar. specifically, for each row in the view, I want to create a Note for that event in the Calendar. Since there isn't a databind option so I realize I need to use the _DayRender event....more >>

hi I have 2 drop down lists in my application.1st list ontains itmes like java,jsp,swings,vb.net etc.2nd list contains percentage i.e it conatains the items like 50,60,70,80,90,100. i will select any skill in 1st drop down list then i'll select % of this skill in the 2nd list box , based ...more >>

Hi In my application there is one textbox and for this textbox i've placed regular expression validator. so it hat to accept characters , numbers , dots(.) and # symbols can anybody tell me how to write regular expression for this. thanx in advance yoshitha. ...more >>

Hi, My asp.net application is working fine in my system. when i'm executing the same application in server am not getting the controls in my webform. for e.g. in default page i've placed dropdownlist box and text boxes and command buttons. in server sytem when i run my application , the items i...more >>