Web Forms :: Adding Attributes To Dropdownlist From Codebehind
Jan 27, 2011
I have a dropdown list where I need more than just a bound value and a display value. I am using this in the page load event to add a custom attribute:
[Code]....
I'm actually looping through a sqldatareader for a list of employees, but for simplicity just consider the single option added above. When I go to check the attribute EmpNum for the selected option, I am getting "null":
[Code]....
Now the really weird part...If I add an option in the HTML source identical to the one that gets added in the codebehind, the javascript function works for that row, but not the row added from codebehind. Here is the rendered HTML for the SELECT:
[Code]....
If I select the 1st record (added from HTML source at design time) the alert says "12345". If I select the 2nd record, the alert says "null". I CAN get the value ("999-99-9999") and the displayed text ("John Doe") for either record, just not the EmpNum attribute, even though the HTML is exactly the same. I am completely stumped on this one.
View 6 Replies
Similar Messages:
Jan 3, 2011
I just want to add and attribute called "pubID" to an image button with the value I give it and then call that value on the image button click event. This image button was created dynamically as well. At the moment this code is not working. When debugging it looks like Pubid is getting assigned a value but on the click event, the attribute isn't being retrieved correctly.
--added attribute
[Code]....
View 3 Replies
Mar 18, 2011
I have a problem with a GridView that I can't figure out. It's inside an UpdatePanel and has been working fine for a long time. Today I have added a few lines to the code behind to add javascript to each row so that the user can just click the row to view the record. This works fine too, except that it breaks the paging of the GridView and I don't understand why.
Here is my code (The controls lstStatus and txtSearch are elsewhere on the page):
[Code]....
And in the codebehind the lines which break paging are the following three, in the RowDataBound event:
[Code]....
I've tried messing with the viewstate of the UpdatePanel, changing its UpdateMode to 'Always' and it's ChildrenAsTriggers property to 'True' but none of this makes any difference, and besides, it's been working for months as it is until I introduced these three new lines into the code behind.
Can anybody see why add these attributes to the row breaks paging?
View 3 Replies
Feb 13, 2010
I have color attributes set to some items in dropdownlist on Page Load.
Dim li As New ListItem("heading" , "0"))
li.Attributes.Add("style", "font-weight:bold")
however, it loses after Post Back, ie., on SelectedIndexChanged event.
View 1 Replies
Feb 16, 2010
I want to add an attribute to the dataset declared below whose value is the value of one of the field in the row. So I want to add the id as shown below.
<root>
<Table id="GAS-405">
<apple>2009FA</apple>
<orange>3.00</orange>
<pear>BGPR</pear>
<banana>GAS-405</banana>
</Table>
</root>
This will me identify the node later in my application. Is this possible? Is this easier to do using XMLDocument?
Dim sdaFoo As SqlDataAdapter = New SqlDataAdapter("SELECT BLAH FROM BLAHBLAH", conn)
Dim dsFoo As DataSet = New DataSet()
dsFoo.DataSetName = "apple"
sdaFoo.Fill(dsFoo)
dsFoo.WriteXml("C:Inetpubwwwrootfoo.xml")
View 2 Replies
Jul 19, 2010
Is there a way to add custom attributes to @Page directive and also get design time support like intellisense for the same?
I have used Adding Custom Property to Page Directive in ASP.Net 2.0 as a pointer.
I would like to have a attribute which will give dev an option to select value from list. Something similar to EnableSessionState attribute. I do understand I need to define an enum for the values. But I cannot understand how to make it available during the design time.
View 1 Replies
Feb 15, 2010
I have a gridview displaying the items in the shoping cart. I want the customer to be able to change the size of the item he or she has chosen to buy. I have therefore added a dropdownlist inside the edititemtemplate. I would like to display all sizes that are available in the database in the dropdownlist, but don't know what the sql-statement would look like.
The database looks something like this:
Item
PK: ItemID
ItemAttribute
PK: ItemAttributeID
FK: ItemID
:AttributeName (Size, color etc)
AttributeValue
PK: AttributeValueID
FK: ItemAttributeID
:AttributeDescription (Small, Large etc)
ShopingCart
PK:ShopingCartID
FK:ItemID
FK:UserID
:ItemSize
The dropdownlist looks like this:
[Code]....
The problem is it's display all the other item's attributes and not what kind of attributes that is left, for example Medium, Large, X-Large. how to implement the sizes into a dropdownlist and the sql-statement looked like this:
[Code]....
View 5 Replies
Nov 24, 2010
Is there a way to turn this
[Code]....
[Code]....
View 6 Replies
Sep 23, 2010
I want to add a custom attribute to an asp.net RadioButton called Key which I'm using client-side for an ajax request.
What I'm finding is that my aspx markup which is the following:
<asp:RadioButton ID="rdoPost" GroupName=PreferredContactMethod" value="Post" onclick="DoStuff(this)" runat="server" />
gets rendered in the page as<span Key="ContactMethod">
<input id="rdoPost" type="radio" name="PreferredContactMethod"" value="Post" onclick="DoStuff(this);" />
</span>
whereas I'd expected (and hoped) to get the following
<input id="rdoPost" type="radio" Key="ContactMethod" name="PreferredContactMethod"" value="Post" onclick="DoStuff(this);" />
I've tried the same thing with an asp TextBox control and it works exactly as I'd expect simply adding the Key="myKey" attribute to the <input type="text"/> element.Is there a way around this with the standard RadioButton control, or will I have to inherit from the standard one to achieve the markup I'm wanting? Currently I'm using these attributes in JavaScript in the following way:
var key = rdoPost.Key;
View 1 Replies
Jun 2, 2010
I'm adding an attribute to my DataGridItem like this:
e.Item.Cells[i].Attributes.Add()
How could add an attribute to it's child?
Would it be something like e.Items.Cells[i].Child.Attributes.Add()
View 3 Replies
Jan 11, 2010
Is it possible to add attributes in a linq query along with the other object data?
Here's what I have
[Code]....
But I'd like to add a custom attribute to each RadComboBoxItemData object in the query instead of having to do a foreach loop after the linq query to add the attributes on..
View 1 Replies
Apr 27, 2010
I have a DDL bound to a sqldatasource where the dataTextName is the storeName (varchar) and the dataValueField is the storeID (PK Int). I'm holding the value of the storeID in a user's profile (using ASP.NET membership profile). So, when a user is created, they're assigned to a store (or not...it's optional). When I edit the user, I populate the DDL with all the stores in the table, but I need to set the selected item to the storeID in the profile (if it exists)...I'm not sure at what point to do it though. In my codebehind, I bind the ddl to the datasource and insert an additional item: if not page.ispostback then
REM: bind the company ddl
View 3 Replies
Apr 28, 2010
In one of the steps of a wizard control are 2 dropdownlist which data come from 2 distinct queries and cascade from the 1st one to the 2nd one. Where and how can code for that data binding and cascading be placed since it seems codebehind window for both of the dropdownlists cannot be found in VS property or event windows?
View 3 Replies
Sep 3, 2010
I'm attempting to load DropDownLists from the C# codebehind as the FormView switches modes to Edit and displays the EditItemTemplate. I present the data in a FormView ItemTemplate using text boxes. When the user selects Edit, I have been attempting to load the EditItemTemplate dropdownlists by creating a dataset and binding it to the control, without success.
I've successfully loaded them in previous projects from within the .aspx code using <asp:ListItem> and within the C# code behind using Control.Items.Add(new ListItem), which are essentially the same thing of course . This project is different in that I want to get the data from a stored procedure on a MSSQL server.
In my latest attempt, I can see the data in the datasets. I'm getting "Error connecting to database.'eitRace' has a SelectedValue which is invalid because it does not exist in the list of items.Parameter name: value"
I include the code below. If someone could point me to an example I would be greatful. There has to be an elegant way of accomplishing this.
[code]....
View 3 Replies
Apr 1, 2011
I have a page called Page2.aspx and it is called by another page called Page1.aspx and Page1.aspx passes two parameters namely: Name and Category to Page2.aspx. Does anyone know why the following code from Page2.aspx is not working and it keeps giving an error message as follows: " You have declare the parameter @Username".
string Cat1;
string Name1;
[Code]....
View 2 Replies
Jul 21, 2010
I have the following code in my codebehind Page_Load function that sets the default selected value of a dropdownlist in detailsview based on the name of a record returned from a sql data query.
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Me.Page.Title = "Editing record"
'Perform dropdown list population operations
Dim myDDL As DropDownList = DetailsView1.FindControl("reqCategoryDropDown")
If Page.IsPostBack = False Then
[Code]....
After which I set attempt to set the selected value of the dropdownlist as above. The page is still not setting the selected value.
View 3 Replies
May 28, 2010
i have two dropdownlist , i want to add item in dropdownlist 2 from database if the city is changed in first dropdownlist..I am using access database
here is my code:
[code]....
but when i select any text , it will not show anything in dropdownlist2 ..
View 2 Replies
Aug 10, 2010
I am using the following XML structure
<SERVERS>
<SERVER NAME="A1" ID="1"></SERVER>
<SERVER NAME="A2"></SERVER>
<SERVER NAME="A3" ID="3" Parent="XYZ"></SERVER>
<SERVER NAME="A4" ID="4"></SERVER>
<SERVER NAME="A5" Parent="abc" value="10"></SERVER>
<SERVER NAME="A6"></SERVER>
</SERVERS>
I am accessing this xml file by using LINQ to XML in asp.net by using C#. I am able to access all the attributes of an XML node by explicitly specifying the name of the attribute. I want to write query on this xml file which reads all the attribute values of the xml node (In our example the node is SERVER) dynamically means I want to write the query which can read the read the value of the attribute Name & ID from first node, only name from second row, Name, ID & Parent from the third row , Name & ID from the fourth row, Name, Parent & Value from the fifth row & only Name from the sixth row without modifying the existing code every time. Once I add one of the attribute ( for example if I add the attribute ID in the sixth row ) in the above xml file then I dont need to modify my LINQ to XML query. My query should dynamically fetch the total number of attributes & display their values. Is their any way to do this ?
View 2 Replies
Feb 17, 2010
I am generating a dropdown list in codebehind and cannot get the selectedindexchanged event to fire automatically. It works fine when put directly into the ASPX page, but I need it to be in the codebehind.
This doesn't work -
[code]....
View 4 Replies
Jan 21, 2011
how to add a dropdownlist on top of a image? Can it be done by simply using absolute position?
View 5 Replies
Mar 25, 2010
I thought this would be very simple but I can't get it. I have a dropdownlist bound to a datasource in order to produce a list of items. At the top of the ddl, I want a 'NEW ITEM' entry. It's not showing up.
[Code]....
[Code]....
View 1 Replies
Jan 25, 2011
I have a question about adding a ListItem to a DropDownList that is being bound by a SqlDataSource.
My Intention is to be able to add an item with something like "0" as a value and "--- Choose Something---" as the item.
However, the control is filled using a SqlDataSource for the DataSource.
So, the question is:
Is it possible to insert the value "0" and item "--- Choose Something---" to the control even though the control has a datasource from the database?
View 2 Replies
Nov 2, 2010
I have a gridview in which one of the columns is a DropDownList.
In another column I have a TextBox and a button next to it.
I want to use the OnClick event of the button to add the text in the The TextBox as a new list item in the DropDownList of that row.
I've this code wit no success:
protected void btnAdd_Click(object sender, EventArgs e)
View 1 Replies
Feb 11, 2010
Is it possible to add values from different database rows to a dropdownlist?
I'm currently trying to add both ItemSizeSmall and ItemSizeMedium, but through trial and error I can still only add one row from the database. I want the dropdownlist to display "Small" and "Medium" etc.
I guess my primary question is: How do I create a database with product size attributes?
I apologize if this thread should be in another forum, but if the dropdownlist can display two database rows I'll settle with that solution.
Could the database look like this:
table1: product
PK: productID
table2: productAttribute
PK: productID
PK: attributeValueID
table3: attributeValue
PK: attributeValueID
FK1: attributeNameID
table4: attribute
PK: attributeNameID
name
If this is right: How do I make the dropdownlist display the different sizes?
View 6 Replies
Apr 1, 2011
I am looking for a way to set certain cells in a GridView to have DropdownLists instead of the bound fields I currently use. I understand how people are able to do this on a whole column, but need to do this based on which cell it. Let me explain why. A fellow programmer who is as I am newer to ASP, built a GridView that only shows one record. This Record being the current ticket if you will. He builds a Data Table like this.
[Code]....
[Code]....
View 2 Replies
