There is a website which shows history of lottery numbers. I want to retrieve numbers from the page, by using C# Windows or Web program(ASP.NET).There is a problem that, after selecting the week which you want numbers for from dropdownlist, page does not post. Numbers are retrieved by Ajax.
How can I get numbers for all of the weeks by program?
Basically the scenario is like this, I'm getting an XML from a 3rd party application with available dates for booking, for each day there are types of rooms the person can choose, single, double, etc.
Each hostel will return me an unknown number of room types. But dont get too confused with this. The thing is simple I just need to add an unknown number of dropdownlists (or HTML Select) with the numbers of persons to book for. Now because I don't know how many of those dropdowns I will have I need to add them programatically inside a "for int i=0; i
How can I add an unknownn number of dropdownlists programatically to a page and retrieve the selected values with c# on submit?The last column on the screenshot
http://i.imgur.com/37chw.png
Update:I'm creating the code from the xml results as a string that will print as html code:
XmlDocument xmlDoc2 = new XmlDocument();
xmlDoc.LoadXml(getPrices());
XmlNodeList prices = xmlDoc.GetElementsByTagName("RoomType"); [code]...
I know that doing that and adding the runat=server won't help on my control, there is where my main problem is now, how to add the code on the html to be able to get the dropdownlist selected value later with c#. Can I do that with Request.Form ? was trying but so far I couldnt do it.
I am currently able to pass parameter from 1 page to another but I am unable to retrieve it.
<asp:HyperLinkField DataNavigateUrlFields="ID"
I've been out of the programming since last winter and I'm really rusty.
What I'm trying to do is set a master page programmatically. I goggled it and found this:
Csharp Code:
[code].....
I have two tables - Advert and Student
adID is the primary key (Advert) and acts as the foreign key for Student
I have two pages, both of which each have a detailsview in insert mode
what I want to achieve is to create a new record in advert.aspx (e.g. adID = 4), then when item is inserted, redirect to page student.aspx (which a student record is created) where the foreign key is the ID from the advert just created (e.g. student.aspx?adID=4).
I need to add some attributes [URL] to the tag in an ASP.NET Page object. Note: I cannot do this in a declarative manner and have to use the server side object model to do it.
To add some additional information:
I need to do this within the ASP.NET Page rendering life cycle.
I need to add the attribute to the root element in the page.
how can we add Page's PreInit event programatically in code behind with c# language ? More precisely i would like to say if AutoEventWireup is set to false then how to handle Page's PreInit event ?
View 4 RepliesI'm creating a page that users can upload a file to the webserver. After upload the page will then have a link to the file that has just been uploaded, along with any other files that have already been uploaded.As I am programatcially creating links to the files which have been uploaded, I have to do this in page_init or else the link button won't fire off it's event when clicked. MY web page does all this - it creates the link buttons and when I click on them, it calls the event method required i.e. a sub to download the file.
OK, the problem I've come accross is: when I click upload (to upload the file) - the page_init sub is called, displaying all the previously uploaded files as link buttons. Then my btnUpload_click sub is called, which uploads my current file. The only prob is the current file hasn't been displayed? I can only display links in the page_init, but because btnUpload is called after the page_init, the current file isn't uploaded until after page_init and therefore not dislayed?
Generally we should have control of our AppPools and be able to force the Managed Pipeline Mode. In my case I don't have control and would like to implement the code behind code a little differently based on the Managed Pipeline Mode (Integrated vs Classic). I just don't know how to detect this. Is there a simple way to do it from within the code behind page?
View 1 RepliesIn a User Control, I need to add a Div to the end of its parent's page. I've done this in a number of ASPX pages, where I put the code to generate the Div and its contents in the page's PreRender event handler, and it works fine. But when I try to do the same thing in the PreRender event handler for the User Control, I get the following error:
The control collection cannot be modified during DataBind, Init, Load, PreRender or Unload phases.How do I accomplish this in a User Control?
I’m trying to write a webpage in ASP.net (VB.net preferably), which grabs the source of another site, parses and modifies it, then displays the modified page. Using the code from [URL], I am able to get the source of a webpage, but the particular page I’m trying to get the source of uses meta refresh, so all that I get is ‘<meta http-equiv="REFRESH" content="0;url=index.php">’. The webpage I’m trying to get the source of requires the user to be logged in, could this be the problem, and if so, how can I resolve this? I can access the page with no problems normally by entering the URL address in the browser and I’m not prompted for a password every time due to cookies, but that same page redirects me when I try to access it via my site.
View 4 RepliesI have an asp page with an input/text field and an anchor/href that links to an aspx page. What I want is to populate the label control on my aspx page with the value entered in the input/text field. How would I do that?
View 1 RepliesI am playing about just now trying to teach myself a little bit about the entity framework. I have a Gridview data bound to a Entity Date Source using the Entity Framework. If I select certain items in that list I then wish to redirect another page and populate another gridview with just the items selected (but with more detail, different includes/navigation properties)
This is probably the most simple thing but I have spent 2 hours banging my head on the wall trying to get this to work. Essentially I have a continue button which when clicked should identify all the UIDs (a column in the gridview) of the rows and allow me to subset to just these rows and pass them to another page to be rebound to another datagrid
I am creating a web application using c#. I need to access the values available in a barcode scanner and display it in the web page. The user has a Barcode scanner, which contains the Student Id's. The Barcode scanner is connected to the user machine. Is it possible to access the scanner and access the student id available in the scanner and display it in the aspx page. After retrieving the values and displaying it in page, the students id's available in the scanner has to be deleted.
View 3 RepliesRetrieve Previous State Data on return from another page?
View 2 RepliesI am trying since more than 5 days to retrieve and display an image in a web page, no success so far.1. I have a table named image, with three fields ImageID, Img_data, Img_contenttype .2. I am able to display the ImageID as a link in my page.3. On clicking the link i am going to my viewImage.aspx?img=ImageID .This far it works ok. ImageID is passing in the query string.4. In this page imageID is being captured from query string and stored in ImageIdview int variable. viewImage.aspx has an image tag to display the image as below.
<asp:Image
id="image1"
ImageUrl='<%# "ViewImageHandler.ashx?imgid=" + Eval("ImageIdview")
[code]...
I have created an application in asp.net 4.0 and entity framework4 . I have also implemented the routing feature introduced with this version of asp.net.I have page which displays a list of products and the paging is taken care of using datapager control.Now, when the user selects a particular product (using the checkbox provided besides it), I show the selected product's name on top. As the user goes on selected products the product_names are added on top. This functinality I want to achieve using javascript. When the user switches between different pages to select a product the already selected product names should be retained between different pages. I want to implement this whole fuctionality using javascript.My problem is how do I retrieve the page index from the datapager so that I can retain the selected values.Is there any other better way of doing it. I had already faced numerous problems in using javascript because of the routing functioanlity. But still I first want to see if there is a solution using javascript.
View 3 RepliesI have a web page with a GridView and a table outside the gridview to display more information of the record when it is selected (like record details). I'm using data of five tables for this particularly window. I use one table of the five to bind the gridview the other tables are for the details, but I use like 1 or 2 fields of those tables. I'm binding the page with web services. I need some advice on which is the better way for doing this to make a faster web page.
In sql server I made a view with the five tables (all the tables relations are working perfectly). In the web service I call the view; and in the web page I call the web service to bind the page. Everything is working. All I want to do is retrieve from the server all the necessary data only once when the page loads and bind the five tables data (like 18 fields total) in the gridview which I only show 12 fields the other 6 fields are hidden, those 6 are for the details which I get with jQuery (that's another topic). Bind everything only once and manage the data on client side. Everything is working perfectly. Here is my doubt.
How are the maximum table joins I can make? To retrieve the data via web and not get a server time out error. Which is a better way to make a faster page? Make 2 views one for the gridview and one for the details and put each view in a web service; or make one view with all the table joins and one web service. Right now all is working but I have to make other pages that use different tables and joins and I don't know if the server gets me the time out error when the page is fully working.
What is the easiest way to save form data and retrieve it when the user navigates back to the page?
We have an application process that consists of several web forms. If the user clicks to go back a step we would like to auto-populate the fields. I am assuming there is a common generic way to do this without having to mess with individual controls - what is it?
I need to create a grid where the users can see all the memberships, and have a line of checkboxes for each existing role, and be able to check/uncheck roles to allow access authority.
I managed to build a datatable that adds columns and displays them properly, but I have not been able to programatically add columns to the grid based on whatever roles are stored in the system.
I can display the users and their roles by just specifying AutoGenerateColumns="true" when I do that, the checkboxes are grayed out, and the users do not want to have to click a button to open them up.
Here is what I can't figure out.
How do I programatically add columns to the GridView? I have some code in Pageload, but it doesn't work, so it is commented out?How do I turn on all the rows for the entire GridView to edit mode? How do I access the column name for the role they just checked so that I know what to add with the ystem.Web.Security.Roles.AddUserToRole(UserName, Role)?
[Code]....
VB.NET, Gridview.
How do I programatically set DataNavigateURLFormatString on page load?
i need to replicate or add one more row to the present row in a gridview on clicking a button in template field....am able to add a new row which is having controls not only text....but the entire grid is resetting...i dont want to reset the gri and want to add new row to grid...
View 1 RepliesWorking on a web part that will contain a datalist. How do you set up various properties such as ItemStyle, AlternatingItemStyles, and all the data binding?
I've search for some keywords but could not find anything relevant.
I am trying to query my SQL database via sqldatasource in my VB.NET code for my webform and would like the results to be stored in a Crystal Report parameter field so that I can then pass it to my report
View 2 RepliesI have a DropDownList on my aspx page and wanted to add ListItem programatically. The item will start from 2 years ago to 1 year later (e.g. from 2009 to 2012) so if the year change, it will be automatic. I also want the current year to be selected by default.
In the code behind, I did this:
For i As Integer = (DateTime.Now.Year - 3) To (DateTime.Now.Year + 1)
DropDownList1.Items.Add(i.ToString())
Next
DropDownList1.SelectedItem.Text = DateTime.Now.Year
As result, I'm having the items in this order: 2011 (selected), 2009, 2010, 2011, 2012. The 2011 is duplicated (I wonder why). When I view the source page on Internet Explorer, I have this:
<option selected="selected" value="2011">2011</option>
<option value="2009">2009</option>
<option value="2010">2010</option>
<option value="2011">2011</option>
<option value="2012">2012</option>