Web Forms :: Dynamically Populating A Page?
Feb 27, 2011
I'm currently building my website and have hit a brick wall. I've not begun coding anything fro this yet as I am unable to get my head around it and not sure where to start.
I've got a database table with a list of town/ county names ( columns are id, town, county).
What I'd like to do is have a template page with set places for town/ county names and then when a particular area is searched for in google/ bing etc my template page with the relevant town/ county name is shown.
I know that's a bit vague so if you have any questions, let me know. One thing I don't want to do is manually create a page for each individual town/ county!
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Jan 21, 2010
I am populating a data bound control DropDownList with file names from a local folder that resides within a ListView control.
I am able to populate as expected, in testing list is generated - all good in that regard.
However once I set to databind by adding SelectedValue='<%# Bind("ImageFile") %>'the following error occurs
ERROR:Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control.
This is the aspx file .. no codebehind:
#CODE SNIP #
[Code]....
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Oct 21, 2010
I want to populate my treeview with the values from database. How can i do it.
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May 10, 2010
I have a writing a web page that will use several different types of control. The control types will depend on the data being read from a SQL database. The following is my code that decides what control to add to the page:
Select myReader.GetString(1)
Case "DatePicker"
Dim bdpAnswer As BasicFrame.WebControls.BasicDatePicker = New BasicFrame.WebControls.BasicDatePicker()
bdpAnswer.DateFormat = "dd/MM/yyyy"
divAnswerContainer.Controls.Add(bdpAnswer)
Answers.Controls.Add(divAnswerContainer)
Case "DropDownList"
Dim ddlAnswer As DropDownList = New DropDownList()
divAnswerContainer.Controls.Add(ddlAnswer)
Answers.Controls.Add(divAnswerContainer)
Case "RadioButton"
Dim rbAnswer As RadioButton = New RadioButton()
divAnswerContainer.Controls.Add(rbAnswer)
Answers.Controls.Add(divAnswerContainer)
Case "TextBox"
Dim tbAnswer As TextBox = New TextBox()
divAnswerContainer.Controls.Add(tbAnswer)
Answers.Controls.Add(divAnswerContainer)
End Select
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Jul 14, 2010
I have a Grid view which is being populated from a database. Now I want to add a button that has its own html with some Hidden fields. I have introduced an Template Field and put the html in that field which works fine. But now I want to send the values in hidden field dynamically. i.e. the Id and value comming form the database.
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Sep 24, 2010
i have 2 tables Desgn & EmpForm
Desgn table is lik this
CREATE TABLE [dbo].[Desgn](
[DesignationCode] [int] IDENTITY(1,1) NOT NULL,
[DesignationName] [varchar](50) NOT NULL,
CONSTRAINT [PK_Desgn] PRIMARY KEY CLUSTERED
[Code]....
and i have called the Populate1() method in the page load event., but i m not getting the dropDown populated why ?
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Feb 5, 2011
(The following is a complete re-edit of the original post which was rambling, confusing etc...)
I have a form with a dynamically generated checklist:
<asp:CheckBoxList ID="cblGames" runat="server" DataSourceID="sqlGames" DataTextField="Game" DataValueField="Id" </asp:CheckBoxList>
<asp:SqlDataSource ID="sqlGames" runat="server" ConnectionString="<%$ ConnectionStrings:Games %>"
SelectCommand="SELECT [Id], [Game], [ShowWaitingList] FROM [Aanbod] WHERE ([ShowWaitingList] = @ShowWaitingList)">
<SelectParameters><asp:Parameter DefaultValue="true" Name="ShowWaitingList" Type="Boolean" /></SelectParameters>
</asp:SqlDataSource>
The following code-behind is supposed to check those boxes that correspond to values stored in a database. It fails and I don't know why.
[Code]....
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Mar 5, 2010
I have a dropdownlist in EditItemTemplate and InsertItemTemplate which I want it to populate at the runtime while Inserting an item or Editing an item.
I am facing an issue regarding populating a dropdownlist dynamically while in Edit and Insert mode. There are 0 Records in my table and it shows "Empty Data message" in my Listview control. Even the ItemDataBound event does not fire. So I am not able to find the dropdownlist in that listview.
This is my Aspx code which shows only InsertItemTemplate and EditItemTemplate.
[Code]....
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Sep 6, 2010
I need to create a TemplateField column dynamically , which will contain dropdowlist controls. I've been using this
example to create my first dynamic columns and for the last column, the one that contains dropdowlist controls, I've written this class:
[Code]....
But what I don't know is, where should I populate the dropdownlist control?
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Feb 15, 2011
Just want to know if it is possible to Dynamically Populating a DetailsView with OleDb Data Adapter ? It has to be done on the Page_load because it has to display a users details that i must be able to edit!
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Jul 17, 2010
I have a gridview that is populating from a SQL DB and working fine. However, based upon certain data I find in fields in the SQL table, I want to place a 'n' or a 'y' in extra columns in the gridview that I am assuming need to be templatefields. My thought was I could maybe add 8 template columns and then I could put a 'y' in the appropriate column based upon the data I find the table. For the life of me, I cannot figure out how to do this. I want to do this at rowdatabound time ( i think) but I just cannot find out how to, in my code, put that 'y' in the columns. Is this the right way to do this or do I need to do it another way? How do I get that 'y' in the proper column?
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Aug 18, 2010
I want to write an independant class that can fill the fields in an HTML using asp:textbox. I have a class that can pull information from username and send it back to the webform. I would really like to use another, or possibly the same class, to take that data and send it to asp:textbox.text to populate the fields.
My issue is I just can't seem to find anything in my books, or online, that would help me let the class know the form is there, and that it has those fields inside the html code.
Are they objects that I could potentially pass into a new class constructor that I could populate that way?
After accomplishing this my next step would be to use this to create a class to send an email with some of the fields being passed from the form to help fill in the email.
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Dec 10, 2010
I'm generating a number of calculated arrays in the code behind a ButtonClick event on a particular page. Stuff like:
Dim Delta(,) As Double = New Double(nPer - 1, 0) {}
For i = 0 To nPer - 1
Delta(i, 0) = Delta_Buckets(i, 0) + fwds(i, 0)
Next
What I want to do is convert this to a datatable and use this as a datasource for a gridview in a different page.
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Mar 9, 2011
I have a dropdown control that has a list of names in it called PlayerNameDropDownList_Insert and a textBox called PlayerName.
When I select a name from the dropdown it populates the textbox correctly.However, when the page opens the first name is selected in the dropdown but nothing in the textbox. How can I get the textbox to populate with the value of the dropdown at pageload?
[Code]....
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Jun 1, 2012
I have an HTML page and I am binding elements to that HTML page from my aspx page. Now i want to bind multiple elements as a table format in my HTML page.
private void SendEmail(string OrderID, string CustomerEmail, string ProductName, string ProductPrice, string ProductFinalPrice, string Quantity, string Merchant, string ProductCode) {
string contents = File.ReadAllText(Server.MapPath("~/index.html"));
contents = contents.Replace("[Date]", DateTime.Now.ToString("dddd, dd MMMM yyyy"));
contents = contents.Replace("[OrdID]", OrderID);
[Code]......
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Oct 15, 2013
[URL]
i am getting multiple marker from database (like places visit) . But on same page i have to get a single marker(represent the current position)
my query to get sing marker is
DataTable dt = this.GetData("select top 1 * from LocationDB ORDER BY Locationid DESC");
rptMarkers.DataSource = dt;
rptMarkers.DataBind();
i get only multiple marke in the first div and in othe div its empty (to show current position).
how can i show two different map on one page.
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Mar 10, 2011
when i try to create an Iframe using :
[code]....
the page is not showing in the main page just shows pdf reader loading then nothing happens. Even when i try to load another page which of type aspx same case its not being showed in the main page only windows authenticating box appears then page sleeps
however when i create the iframe using the page markup its being correct for both cases.
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Dec 26, 2010
how can i add a web page dynamicaly???
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Jan 27, 2011
i hv a latest news section in my website. hw can i add new page dynamically when some one add new latest news.hw can i write the content of news in that newly added page.
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Oct 5, 2010
I currently have this code on my page_load event handler and i am trying to figure out if i can put it on another page and call it from there. I have a lot of sql statement on codebehind and when i try to move from dev to prod... i encounter problems a little
If Not Page.IsPostBack
Then
Dim connString
[code]...
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Jan 20, 2011
like if i have a button and i would like when that button is pressed that a completly new page is generated with some elements in it and some code in the code behind.
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Aug 27, 2013
I want to create page dynamically in from a master page in code behind in asp.net.
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Jan 19, 2010
I am getting a problem while working with the Dropdownlist in VS2008. I am trying to populate the DDL using c# codding instead of creating DataSource in GUI. The DDL is getting populated as expected, but then I've added a label that will show the current selected item; for this I've written a code in DropDownList1_SelectedIndexChanged() :
Label1.Text = DropDownList1.SelectedValue.ToString();
I hae also enable AutoPostback for the DDL.
I have placed the PopulateDDL() method inside of the Page_Load();
But whenever I select a item, it's always giving only the first item's name as the Lebel.Text.
But when I use GUI and ceate a SqlDataSource and attach that to the DDL all works fine.
What to do??
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Feb 5, 2011
Can anyone tell me as how to create aspx page dynamically.
The controls are defined by user in run time.
Based on that i want to create aspx page.
Else its enough if i am able to generate basic structure of aspx page.(i.e The basic firm which generates when we add new webform in visual studio)Later i can develop with it.
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Feb 9, 2011
i am creating my aspx and aspx.cs files dynamically.
Can you tell me as how to create aspx.designer.cs files dynamically?
It works fine for web application . But as a project it reuires designer.cs file.
How to create it?
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